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  <doc>
    <id>4065</id>
    <completedYear/>
    <publishedYear>2007</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>633</pageFirst>
    <pageLast>636</pageLast>
    <pageNumber/>
    <edition/>
    <issue>5812</issue>
    <volume>315</volume>
    <type>article</type>
    <publisherName>AAAS</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Ultrafast bond softening in bismuth: mapping a solid's interatomic potential with X-rays</title>
    <abstract language="eng">Intense femtosecond laser excitation can produce transient states of matter that would otherwise be inaccessible to laboratory investigation. At high excitation densities, the interatomic forces that bind solids and determine many of their properties can be substantially altered. Here, we present the detailed mapping of the carrier density-dependent interatomic potential of bismuth approaching a solid-solid phase transition. Our experiments combine stroboscopic techniques that use a high-brightness linear electron accelerator-based x-ray source with pulse-by-pulse timing reconstruction for femtosecond resolution, allowing quantitative characterization of the interatomic potential energy surface of the highly excited solid.</abstract>
    <parentTitle language="eng">Science</parentTitle>
    <identifier type="doi">10.1126/science.1135009</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
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    <enrichment key="BegutachtungStatus">peer-reviewed</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>D. M. Fritz</author>
    <author>D. A. Reis</author>
    <author>B. Adams</author>
    <author>R. A. Akre</author>
    <author>J. Arthur</author>
    <author>Christian Blome</author>
    <author>P. H. Bucksbaum</author>
    <author>A. L. Cavalieri</author>
    <author>S. Engemann</author>
    <author>S. Fahy</author>
    <author>R. W. Falcone</author>
    <author>P. H. Fuoss</author>
    <author>K. J. Gaffney</author>
    <author>M. J. George</author>
    <author>J. Hajdu</author>
    <author>M. P. Hertlein</author>
    <author>P. B. Hillyard</author>
    <author>Michael Horn-von Hoegen</author>
    <author>Martin Kammler</author>
    <author>J. Kaspar</author>
    <author>R. Kienberger</author>
    <author>P. Krejcik</author>
    <author>S. H. Lee</author>
    <author>A. M. Lindenberg</author>
    <author>B. McFarland</author>
    <author>D. Meyer</author>
    <author>T. Montagne</author>
    <author>E. D. Murray</author>
    <author>A. J. Nelson</author>
    <author>Matthieu Nicoul</author>
    <author>R. Pahl</author>
    <author>J. Rudati</author>
    <author>H. Schlarb</author>
    <author>D. P. Siddons</author>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Th Tschentscher</author>
    <author>D. von der Linde</author>
    <author>J. B. Hastings</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4092</id>
    <completedYear/>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>473</pageFirst>
    <pageLast>477</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Pr2</issue>
    <volume>11</volume>
    <type>article</type>
    <publisherName>EDP</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Transient lattice dynamics in fs-laser-excited semiconductors probed by ultrafast X-ray diffraction</title>
    <abstract language="eng">A study of lattice dynamics in fs-laser-excited crystalline bulk Ge and Ge/Si-heterostructures, using time-resolved x-ray diffraction, was presented. Fast energy transport deep into the bulk of the material, coherent acoustic phonon dynamics, lattice anharmonicity, and vibrational transport across a buried interfaces were observed. Graphs showing time-dependent shifts of the centroid of the measured rocking curves in the Ge-overlayer and in the Si-substrate for different fluences, were presented.</abstract>
    <parentTitle language="eng">Journal de Physique IV</parentTitle>
    <identifier type="doi">10.1051/jp4:2001290</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Andrea Cavalleri</author>
    <author>C. W. Siders</author>
    <author>F. L. H. Brown</author>
    <author>D. M. Leitner</author>
    <author>Csaba Tóth</author>
    <author>Jeff A. Squier</author>
    <author>C. P. J. Barty</author>
    <author>K. R. Wilson</author>
    <author>Martin Kammler</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4091</id>
    <completedYear/>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>281</pageFirst>
    <pageLast>283</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>66</volume>
    <type>article</type>
    <publisherName>Springer</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Time-resolved x-ray diffraction study of ultrafast acoustic phonon dynamics in Ge/Si-heterostructures</title>
    <abstract language="eng">Using time-resolved x-ray diffraction the ultafast strain dynamics in fs-laserexcited Ge/Si-heterostructures has been studied. A fluence dependent, anharmonic damping of the impulsively generated acoustic phonons and vibrational transport across the buried Ge/Si-interface are observed.</abstract>
    <parentTitle language="eng">Chemical Physics</parentTitle>
    <identifier type="doi">10.1007/978-3-642-56546-5_81</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Andrea Cavalleri</author>
    <author>C. W. Siders</author>
    <author>F. L. H. Brown</author>
    <author>D. M. Leitner</author>
    <author>Csaba Tóth</author>
    <author>Martin Kammler</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Jeff A. Squier</author>
    <author>C. P. J. Barty</author>
    <author>K. R. Wilson</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4093</id>
    <completedYear/>
    <publishedYear>2000</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>586</pageFirst>
    <pageLast>589</pageLast>
    <pageNumber/>
    <edition/>
    <issue>3</issue>
    <volume>85</volume>
    <type>article</type>
    <publisherName>APS</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Anharmonic lattice dynamics in germanium measured with ultrafast x-ray diffraction</title>
    <abstract language="eng">Damping of impulsively generated coherent acoustic oscillations in a femtosecond laser-heated thin germanium film is measured as a function of fluence by means of ultrafast x-ray diffraction. By simultaneously measuring picosecond strain dynamics in the film and in the unexcited silicon substrate, we separate anharmonic damping from acoustic transmission through the buried interface. The measured damping rate and its dependence on the calculated temperature of the thermal bath is consistent with estimated four-body, elastic dephasing times (T2) for 7-GHz longitudinal acoustic phonons in germanium.</abstract>
    <parentTitle language="eng">Physical review letters</parentTitle>
    <identifier type="doi">10.1103/PhysRevLett.85.586</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Andrea Cavalleri</author>
    <author>C. W. Siders</author>
    <author>F. L. H. Brown</author>
    <author>D. M. Leitner</author>
    <author>Csaba Tóth</author>
    <author>Jeff A. Squier</author>
    <author>C. P. J. Barty</author>
    <author>K. R. Wilson</author>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Martin Kammler</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4085</id>
    <completedYear/>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>297</pageFirst>
    <pageLast>298</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>IEEE</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Femtosecond X-ray diffraction of short-pulse irradiated semiconductors</title>
    <abstract language="eng">Summary form only given, as follow. Ultrafast optical-pump, X-ray diffraction probe experiments are providing new ways to study transient processes including the direct observation of the atomic motion by which many solid-state processes and chemical and biochemical reactions take place. Current table-top-terawatt femtosecond laser systems provide an attractive source of few-hundred femtosecond duration bursts of angstrom-scale X-ray radiation with fluxes comparable to standard rotating anode sources. Their compact size enables time resolved structural dynamics to be studied in the small laboratory with temporal resolution better than typical molecular vibrational periods. Ultrafast structural dynamics in crystalline samples are readily studied with such systems and experiments to be discussed in this talk include ultrafast non-thermal solid-to-liquid transition in thin single-crystal Ge-111 films grown on Si-111 substrates; ultrafast non-thermal solid-to-solid transitions in bulk vanadium dioxide from a low temperature insulating phase to a high temperature metallic phase; and harmonic and anharmonic coherent acoustic dynamics in layered Ge-111/Si-111 and bulk GaAs-111 samples. Future improvements in high-average power short-pulse lasers will enable the study of a wider class of materials such as amorphous solids or liquid-phase dynamics of simple molecules, while proposed 4th generation light sources based upon single-pass X-ray free-electron lasers will permit singleshot structural determination of complex biomolecules.</abstract>
    <parentTitle language="deu">Summaries of Papers Presented at the Lasers and Electro-Optics. CLEO '02. Technical Diges, 24-24 May 2002, Long Beach, CA, USA</parentTitle>
    <identifier type="doi">10.1109/CLEO.2002.1033997</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>C. W. Siders</author>
    <author>Andrea Cavalleri</author>
    <author>Csaba Tóth</author>
    <author>K. R. Wilson</author>
    <author>Jeff A. Squier</author>
    <author>C. P. J. Barty</author>
    <author>Martin Kammler</author>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>high-speed techniques</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>X-ray diffraction</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>laser beam effects</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>semiconductor materials</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>solid-liquid transformations</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>solid-state phase transformations</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>metal-insulator transition</value>
    </subject>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4088</id>
    <completedYear/>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>115</pageFirst>
    <pageLast>116</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>IEEE</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Structural dynamics in laser-excited solids investigated with femtosecond x-ray diffraction</title>
    <abstract language="eng">Summary form only given. Ultrashort x-ray pulses offer a unique combination of atomic-scale spatial and temporal resolution, which permits direct measurements of structural transients on an ultrafast time scale. Using time-resolved X-ray diffraction with femtosecond, multi-keV X-ray pulses we have studied transient lattice dynamics in optically excited semiconductors.</abstract>
    <parentTitle language="eng">2002 Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, 19-24 May 2002, Long Beach, CA, USA</parentTitle>
    <identifier type="doi">10.1109/QELS.2002.1031182</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Christian Blome</author>
    <author>Clemens Dietrich</author>
    <author>Juris Blums</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Andrea Cavalleri</author>
    <author>Jeff A. Squier</author>
    <author>Martin Kammler</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4089</id>
    <completedYear/>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>87</volume>
    <type>article</type>
    <publisherName>APS</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Femtosecond x-ray measurement of ultrafast melting and large acoustic transients</title>
    <abstract language="eng">Time-resolved x-ray diffraction with ultrashort ( approximately 300 fs), multi-keV x-ray pulses has been used to study the femtosecond laser-induced solid-to-liquid phase transition in a thin crystalline layer of germanium. Nonthermal melting is observed to take place within 300-500 fs. Following ultrafast melting we observe strong acoustic perturbations evolving on a picosecond time scale.</abstract>
    <parentTitle language="eng">Physical review letters</parentTitle>
    <identifier type="doi">10.1103/PhysRevLett.87.225701</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Christian Blome</author>
    <author>Clemens Dietrich</author>
    <author>A. Tarasevitch</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Andrea Cavalleri</author>
    <author>Jeff A. Squier</author>
    <author>Martin Kammler</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4084</id>
    <completedYear/>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>36</pageFirst>
    <pageLast>38</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>71</volume>
    <type>article</type>
    <publisherName>Optica Publishing Grou</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Femtosecond time-resolved X-ray diffraction study of ultrafast structural dynamics in laser-excited solids</title>
    <abstract language="eng">Time-resolved x-ray diffraction with sub-300 fs, multi-keV x-ray pulses was used to study ultrafast lattice dynamics in laser-irradiated germanium and bismuth. In bismuth strong excitation of optical phonons is observed prior to disordering of the material.</abstract>
    <parentTitle language="deu">International Conference on Ultrafast Phenomena, 12 May 2002, Vancouver Canada</parentTitle>
    <identifier type="doi">10.1007/978-3-642-59319-2_10</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Christian Blome</author>
    <author>Clemens Dietrich</author>
    <author>A. Tarasevitch</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Andrea Cavalleri</author>
    <author>Jeff A. Squier</author>
    <author>Martin Kammler</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4095</id>
    <completedYear/>
    <publishedYear>2000</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName>Optica</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Time-resolved x-ray diffraction study of ultrafast acoustic phonon dynamics in Ge/Si-heterostructures</title>
    <abstract language="eng">Using time-resolved x-ray diffraction the ultafast strain dynamics in fs-laserexcited Ge/Si-heterostructures has been studied. A fluence dependent, anharmonic damping of the impulsively generated acoustic phonons and vibrational transport across the buried Ge/Si-interface are observed.</abstract>
    <parentTitle language="eng">International Conference on Ultrafast Phenomena , 9 July 2000, Charleston</parentTitle>
    <identifier type="url">https://opg.optica.org/abstract.cfm?uri=UP-2000-MF43</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Andrea Cavalleri</author>
    <author>C. W. Siders</author>
    <author>F. L. H. Brown</author>
    <author>Csaba Tóth</author>
    <author>Jeff A. Squier</author>
    <author>C. P. J. Barty</author>
    <author>K. R. Wilson</author>
    <author>Martin Kammler</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Acoustic Phonon</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Acoustic Transmission</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Carrier Diffusion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Homogenous Expansion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Lattice Anharmonicity</value>
    </subject>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
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  </doc>
  <doc>
    <id>4097</id>
    <completedYear/>
    <publishedYear>1999</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1340</pageFirst>
    <pageLast>1342</pageLast>
    <pageNumber/>
    <edition/>
    <issue>5443</issue>
    <volume>286</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Detection of nonthermal melting by ultrafast X-ray diffraction</title>
    <abstract language="eng">Using ultrafast, time-resolved, 1.54 angstrom x-ray diffraction, thermal and ultrafast nonthermal melting of germanium, involving passage through nonequilibrium extreme states of matter, was observed. Such ultrafast, optical-pump, x-ray diffraction probe measurements provide a way to study many other transient processes in physics, chemistry, and biology, including direct observation of the atomic motion by which many solid-state processes and chemical and biochemical reactions take place.</abstract>
    <parentTitle language="eng">Science</parentTitle>
    <identifier type="doi">10.1126/science.286.5443.1340</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
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    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>C. W. Siders</author>
    <author>Andrea Cavalleri</author>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Csaba Tóth</author>
    <author>T. Guo</author>
    <author>Martin Kammler</author>
    <author>Michael Horn-von Hoegen</author>
    <author>K. R. Wilson</author>
    <author>D. von der Linde</author>
    <author>C. P. J. Barty</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
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  </doc>
  <doc>
    <id>4094</id>
    <completedYear/>
    <publishedYear>2000</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>276</pageFirst>
    <pageLast>280</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>66</volume>
    <type>article</type>
    <publisherName>Springer</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Direct Observation of Ultrafast Non-thermal Melting by Ultrafast X-ray Diffraction</title>
    <abstract language="eng">Ultrafast nonthermal melting of femtosecond laser-irradiated germanium was observed directly for the first time using sub-picosecond, 1.54-angstrom x-ray diffraction. Such measurements allow the study of transient atomic motion fundamental to many processes in physics, chemistry, and biology.</abstract>
    <parentTitle language="deu">Ultrafast Phenomena XII</parentTitle>
    <identifier type="doi">10.1007/978-3-642-56546-5_80</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
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    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>C. W. Siders</author>
    <author>Andrea Cavalleri</author>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Csaba Tóth</author>
    <author>T. Guo</author>
    <author>Martin Kammler</author>
    <author>Michael Horn-von Hoegen</author>
    <author>K. R. Wilson</author>
    <author>D. von der Linde</author>
    <author>C. P. J. Barty</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
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  </doc>
  <doc>
    <id>4099</id>
    <completedYear/>
    <publishedYear>1999</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>bookpart</type>
    <publisherName>Optica</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Lattice dynamics of femtosecond laser-excited semiconductors probed by ultrafast x-ray diffraction</title>
    <abstract language="eng">The present knowledge of the atomic structure of matter is to a large extent due to x-ray spectroscopies.</abstract>
    <parentTitle language="deu">Applications of High Field and Short Wavelength Sources VIII</parentTitle>
    <identifier type="doi">10.1364/HFSW.1999.PD3</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>D. von der Linde</author>
    <author>C. W. Siders</author>
    <author>Andrea Cavalleri</author>
    <author>Csaba Tóth</author>
    <author>T. Guo</author>
    <author>K. R. Wilson</author>
    <author>C. P. J. Barty</author>
    <author>Martin Kammler</author>
    <author>Michael Horn-von Hoegen</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4058</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>558</pageFirst>
    <pageLast>566</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>AIP</publisherName>
    <publisherPlace/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Coherent acoustic and optical phonons in laser-excited solids studied by ultrafast time-resolved X-ray diffraction</title>
    <abstract language="eng">We apply ultrafast time‐resolved X‐ray diffraction to directly study coherent acoustic and optical phonons in laser‐excited materials. In Au the ps acoustic response has been investigated with the particular goal to clarify the interplay of electronic and thermal pressure contributions. In Bi the extreme softening of the coherently excited A 1 g optical phonon presents strong indication that upon intense laser‐excitation the Peierls‐transition which determines the equilibrium structure of Bi can be reversed. In FeRh we studied the lattice response after a fast laser‐induced anti‐ferromagnetic to ferromagnetic phase transition.</abstract>
    <parentTitle language="eng">AIP Conference Proceedings</parentTitle>
    <identifier type="doi">10.1063/1.3507146</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Uladzimir Shymanovich</author>
    <author>Matthieu Nicoul</author>
    <author>Wei Lu</author>
    <author>A. Tarasevitch</author>
    <author>Martin Kammler</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Claude Phipps</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
    <collection role="othpublikationsherkunft" number="">Externe Publikationen</collection>
    <collection role="othforschungsschwerpunkt" number="16316">Produktion und Systeme</collection>
    <collection role="institutes" number="">Labor Nanoanalytik und Halbleiterchemie (Nanochem)</collection>
  </doc>
  <doc>
    <id>4059</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>ME41</issue>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Optica Publishing Group</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Transient reversal of a Peierls-transition: Extreme phonon softening in laser-excited Bismuth</title>
    <abstract language="eng">Laser-excited coherent optical phonons in Bismuth were investigated using time-resolved X-ray diffraction. The observed extreme softening of the excited A1g-mode presents strong indication that the Peierls-distortion defining the equilibrium structure of Bismuth is transiently reversed.</abstract>
    <parentTitle language="eng">International Conference on Ultrafast Phenomena, Snowmass</parentTitle>
    <identifier type="doi">10.1364/UP.2010.ME41</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <enrichment key="OtherSeries">OSA Technical Digest (CD)</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Wei Lu</author>
    <author>Matthieu Nicoul</author>
    <author>Uladzimir Shymanovich</author>
    <author>A. Tarasevitch</author>
    <author>Martin Kammler</author>
    <author>Michael Horn-von Hoegen</author>
    <author>D. von der Linde</author>
    <author>Klaus Sokolowski-Tinten</author>
    <collection role="institutes" number="FakANK">Fakultät Angewandte Natur- und Kulturwissenschaften</collection>
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  </doc>
  <doc>
    <id>4072</id>
    <completedYear/>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>170</pageFirst>
    <pageLast>174</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>79</volume>
    <type>article</type>
    <publisherName>Springer</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Ultrafast X-ray diffraction</title>
    <abstract language="eng">In the last few years the generation of femtosecond pulses in the X-ray regime has become possible. These ultrashort X-ray pulses have enabled femtosecond time- resolution to be extended to X-rays.</abstract>
    <parentTitle language="deu">Ultrafast Phenomena XIV</parentTitle>
    <identifier type="doi">10.1007/3-540-27213-5_53</identifier>
    <enrichment key="opus.import.date">2022-06-07T14:31:45+00:00</enrichment>
    <enrichment key="opus.source">sword</enrichment>
    <enrichment key="opus.import.user">importuser</enrichment>
    <enrichment key="OtherSeries">Springer Series in Chemical Physics , 79</enrichment>
    <licence>Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG</licence>
    <author>Klaus Sokolowski-Tinten</author>
    <author>Christian Blome</author>
    <author>Juris Blums</author>
    <author>Uladzimir Shymanovich</author>
    <author>Matthieu Nicoul</author>
    <author>Andrea Cavalleri</author>
    <author>A. Tarasevitch</author>
    <author>Michael Horn-von Hoegen</author>
    <author>Martin Kammler</author>
    <author>D. von der Linde</author>
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