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  <doc>
    <id>22230</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>373</pageFirst>
    <pageLast>379</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1278</issue>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>American Institute of Physics</publisherName>
    <publisherPlace>Melville, NY, USA</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Short-pulse laser induced transient structure formation and ablation studied with time-resolved coherent XUV-scattering</title>
    <parentTitle language="deu">AIP Conference Proceedings 1278</parentTitle>
    <identifier type="old">24739</identifier>
    <identifier type="isbn">978-0-7354-0828-9</identifier>
    <note>Serientitel: AIP conference proceedings – Series title: AIP conference proceedings</note>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="eventName">International high-power laser ablation conference</enrichment>
    <enrichment key="eventPlace">Santa Fe, USA</enrichment>
    <enrichment key="eventStart">2010-04-18</enrichment>
    <enrichment key="eventEnd">2010-04-22</enrichment>
    <enrichment key="date_peer_review">01.11.2010</enrichment>
    <author>K. Sokolowski-Tinten</author>
    <author>A. Barty</author>
    <author>S. Boutet</author>
    <author>U. Shymanovich</author>
    <author>H. Chapman</author>
    <author>M. Bogan</author>
    <author>S. Marchesini</author>
    <author>S. Hau-Riege</author>
    <author>N. Stojanovic</author>
    <author>Jörn Bonse</author>
    <author>Y. Rosandi</author>
    <author>H. M. Urbassek</author>
    <author>R. Tobey</author>
    <author>H. Ehrke</author>
    <author>A. Cavalleri</author>
    <author>S. Düsterer</author>
    <author>H. Redlin</author>
    <author>M. Frank</author>
    <author>S. Bajt</author>
    <author>J. Schulz</author>
    <author>M. Seibert</author>
    <author>J. Hajdu</author>
    <author>R. Treusch</author>
    <author>C. Bostedt</author>
    <author>M. Hoener</author>
    <author>T. Möller</author>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Femtosecond laser ablation</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Free electron lasers</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Coherent scattering</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
  <doc>
    <id>21438</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>6</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Paper 1230-MM05-03</issue>
    <volume>1230E</volume>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation>Materials Research Society</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Short-pulse laser induced transient structure formation and ablation studied with time-resolved coherent XUV-scattering</title>
    <abstract language="eng">XUV- and X-ray free-electron-lasers (FEL) combine short wavelength, ultrashort pulse duration, spatial coherence and high intensity. This unique combination of properties opens up new possibilities to study the dynamics of non-reversible phenomena with ultrafast temporal and nano- to atomic-scale spatial resolution. In this contribution we wish to present results of time-resolved experiments performed at the XUV-FEL FLASH (HASYLAB/Hamburg) aimed to investigate the nano-scale structural dynamics of laser-irradiated materials. Thin films and fabricated nano-structures, deposited on Si3N4-membranes, have been excited with ultrashort optical laser pulses. The dynamics of the non-reversible structural evolution of the irradiated samples during laser-induced melting and ablation has been studied in an optical pump - XUV-probe configuration by means of single-shot coherent scattering techniques (i.e. diffraction imaging [1]). In a first set of experiments we investigated the formation of laser induced periodic surface structures (LIPSS) on the surface of thin Si-films (thickness 100 nm). In a simplified view LIPPS are generated as a result of interference between the incident laser pulse and surface scattered waves which leads to a periodically modulated energy deposition. Time-resolved scattering using femtosecond XUV-pulses (with a wavelength of 13.5 nm and 7 nm) allowed us to directly follow LIPSS evolution on an ultrafast time-scale and with better than 40 nm spatial resolution. The observed scattering patterns show almost quantitative agreement with theoretical predictions [2] and reveal that the LIPSS start to form already during the 12 ps pump pulse. In the second set of measurements we studied picosecond and femtosecond laser induced ablation and disintegration of fabricated nano-structures. Correlations of coherent diffraction patterns measured at various time delays to the pattern of the undisturbed object show that order in the structure is progressively lost starting from short length scales. This structural rearrangement progresses at close to the speed of sound in the material. Under certain circumstances (e.g. adequate sampling) it became also possible to reconstruct real-space images of the object as it evolves over time [3]. The possibility of femtosecond single-shot imaging of ultrafast dynamic processes with nanoscale resolution provides yet more details of the physical processes involved. [1] H. N. Chapman et al. Nature Phys. 2, 839 (2006). [2] J. F. Young et al., Phys. Rev. B 27, 1155 (1983). [3] A. Barty et al. Nature Phot. 2, 415 (2008).</abstract>
    <parentTitle language="eng">Fall meeting of the materials research society 2009 - Symposium MM / Materials research society symposium proceedings</parentTitle>
    <identifier type="old">23856</identifier>
    <identifier type="doi">10.1557/PROC-1230-MM05-03</identifier>
    <note>Serientitel: Materials Research Society symposium proceedings – Series title: Materials Research Society symposium proceedings</note>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="eventName">Fall meeting of the materials research society 2009</enrichment>
    <enrichment key="eventPlace">Boston, MA, USA</enrichment>
    <enrichment key="eventStart">2009-11-30</enrichment>
    <enrichment key="eventEnd">2009-12-04</enrichment>
    <author>K. Sokolowski-Tinten</author>
    <author>A. Barty</author>
    <author>S. Boutet</author>
    <author>U. Shymanovich</author>
    <author>M. Bogan</author>
    <author>S. Marchesini</author>
    <author>S. Hau-Riege</author>
    <author>N. Stojanovic</author>
    <author>Jörn Bonse</author>
    <author>R. Tobey</author>
    <author>H. Ehrke</author>
    <author>A. Cavalleri</author>
    <author>S. Duesterer</author>
    <author>M. Frank</author>
    <author>S. Bajt</author>
    <author>J. Schulz</author>
    <author>M. Seibert</author>
    <author>J. Hajdu</author>
    <author>R. Treusch</author>
    <author>H. Chapman</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Femtosecond laser ablation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Laser-induced periodic surface structures</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Time-resolved coherent XUV scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Semiconductor</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Silicon</value>
    </subject>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
  </doc>
  <doc>
    <id>57297</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>257</pageFirst>
    <pageLast>276</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>239</volume>
    <type>bookpart</type>
    <publisherName>Springer Nature Switzerland AG</publisherName>
    <publisherPlace>Cham, Switzerland</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">In-Situ Observation of the Formation of Laser-Induced Periodic Surface Structures with Extreme Spatial and Temporal Resolution</title>
    <abstract language="eng">Irradiation of solid surfaces with intense ultrashort laser pulses represents a unique way of depositing energy into materials. It allows to realize states of extreme electronic excitation and/or very high temperature and pressure and to drive materials close to and beyond fundamental stability limits. As a consequence, structural changes and phase transitions often occur along unusual pathways and under strongly nonequilibrium conditions. Due to the inherent multiscale nature—both temporally and spatially—of these irreversible processes, their direct experimental observation requires techniques that combine high temporal resolution with the appropriate spatial resolution and the capability to obtain good quality data on a single pulse/event basis. In this respect, fourth-generation light sources, namely, short wavelength and short pulse free electron lasers (FELs), are offering new and fascinating possibilities. As an example, this chapter will discuss the results of scattering experiments carried out at the FLASH free electron laser at DESY (Hamburg, Germany), which allowed us to resolve laser-induced structure formation at surfaces on the nanometer to submicron length scale and in temporal regimes ranging from picoseconds to several nanoseconds with sub-picosecond resolution.</abstract>
    <parentTitle language="eng">Ultrafast Laser Nanostructuring — The Pursuit of Extreme Scales</parentTitle>
    <identifier type="isbn">978-3-031-14751-7</identifier>
    <identifier type="isbn">978-3-031-14752-4</identifier>
    <identifier type="doi">10.1007/978-3-031-14752-4_6</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <author>K. Sokolowski-Tinten</author>
    <author>Jörn Bonse</author>
    <author>A. Barty</author>
    <author>H.N. Chapman</author>
    <author>S. Bajt</author>
    <author>M.J. Bogan</author>
    <author>S. Boutet</author>
    <author>A. Cavalleri</author>
    <author>S. Düsterer</author>
    <author>M. Frank</author>
    <author>J. Hajdu</author>
    <author>S. Hau-Riege</author>
    <author>S. Marchesini</author>
    <author>N. Stojanonovic</author>
    <author>R. Treusch</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Laser-induced periodic surface structures, LIPSS</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Capillary waves</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Time-resolved scattering</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Pump-probe experiments</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Free electron laser</value>
    </subject>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="ddc" number="621">Angewandte Physik</collection>
    <collection role="institutes" number="">6 Materialchemie</collection>
    <collection role="institutes" number="">6.2 Material- und Oberflächentechnologien</collection>
    <collection role="themenfelder" number="">Energie</collection>
    <collection role="themenfelder" number="">Material</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
    <collection role="themenfelder" number="">Advanced Materials</collection>
  </doc>
</export-example>
