<?xml version="1.0" encoding="utf-8"?>
<export-example>
  <doc>
    <id>2260</id>
    <completedYear/>
    <publishedYear>2003</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>95</pageFirst>
    <pageLast>110</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1-2</issue>
    <volume>239</volume>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Redox behaviour of La-Cr compounds formed in CrOX/La2O3 mixed oxides and CrOX/La2O3/ZrO2 catalysts</title>
    <abstract language="eng">The redox behaviour of chromium oxide in CrOx/La2O3, CrOx/La2O3/ZrO2 and CrOx/ZrO2 mixed oxide systems has been investigated by temperature-programmed reduction (TPR), photoelectron spectroscopy (XPS) and Raman spectroscopy (RS). The formation of La-Cr compounds such as La2CrO6, LaCrO4 was shown to occur by calcination of CrOx/La2O3 and CrOx/La2O3/ZrO2 at 600 °C. With a Cr content of ca. 4 wt.%, it was revealed that, having been reduced to Cr3+-containing compounds, La2CrO6 and/or LaCrO4 in both systems may be restored by reoxidation at 600 °C. In the case of CrOx/La2O3/ZrO2 catalysts, it is suggested that these compounds were real surface species anchored as an overlayer on zirconia. Such a structure may stabilise, on the one hand, the tetragonal modification of zirconia and, on the other hand, highly dispersed state of Cr species in calcined as well as in reduced catalysts.</abstract>
    <parentTitle language="eng">Applied catalysis / A</parentTitle>
    <identifier type="old">2203</identifier>
    <identifier type="doi">10.1016/S0926-860X(02)00375-7</identifier>
    <identifier type="issn">0926-860X</identifier>
    <identifier type="issn">1873-3875</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">03.02.2003</enrichment>
    <author>D. L. Hoang</author>
    <author>A. Dittmar</author>
    <author>J. Radnik</author>
    <author>Klaus Witke</author>
    <author>Klaus-Werner Brzezinka</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Chromia containing catalysts</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Redox reversibility</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>La-Cr compounds</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Temperature-programmed reduction</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>XPS</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Raman spectroscopy</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>4152</id>
    <completedYear/>
    <publishedYear>2004</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>2560</pageFirst>
    <pageLast>2568</pageLast>
    <pageNumber/>
    <edition/>
    <issue>16</issue>
    <volume>14</volume>
    <type>article</type>
    <publisherName>Royal Society of Chemistry</publisherName>
    <publisherPlace>Cambridge</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Bulk and surface properties of highly dispersed VOx/ZrO2, VOx/SiO2 and VOx/TiO2/SiO2 systems and their relevance for propane oxidation</title>
    <abstract language="eng">Highly dispersed vanadium-doped metal oxides such as VOx/ZrO2, VOx/SiO2 and VOx/TiO2/SiO2 with vanadium contents between 0 and 25 mole% were prepared by special bulk preparation methods (coprecipitation and solgel, followed by freeze-drying). Bulk and surface properties of the obtained mixed oxide solid solutions were thoroughly investigated by different analytical methods (Raman and FTIR spectroscopy, TPD, H2-TPR, oxygen isotope measurements etc.). Moreover, the catalytic behaviour of the oxides was studied for the example of the oxidative dehydrogenation (ODH) of propane to propylene. Independent of the preparation method, the catalytic behaviour of vanadium-doped ZrO2 and TiO2 phases is very similar. Both metal oxide solid solutions are very active in propane ODH whereas the catalytic activity of VOx/SiO2 is relatively low. On the other hand, the reduction of the catalytic activity is accompanied by an improved selectivity for the formation of propylene. The correlation between the catalytic activity and the acidity of the oxide systems is discussed. Oxidation experiments with 18O2 clearly show that the ODH reaction occurs according to the Marsvan Krevelen mechanism.</abstract>
    <parentTitle language="eng">Journal of materials chemistry</parentTitle>
    <identifier type="old">4337</identifier>
    <identifier type="doi">10.1039/b402924k</identifier>
    <identifier type="issn">0959-9428</identifier>
    <identifier type="issn">1364-5501</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">30.09.2004</enrichment>
    <author>K. Scheurell</author>
    <author>E. Hoppe</author>
    <author>Klaus-Werner Brzezinka</author>
    <author>E. Kemnitz</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Vanadium-doped metal oxides</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Solid solutions</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Coprecipation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Sol-gel-method</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Propan oxidation</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Catalytic activity</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Oxygen mobility</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>14794</id>
    <completedYear/>
    <publishedYear>2007</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>56</pageFirst>
    <pageLast>63</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>456</volume>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Thermal and Raman-spectroscopic analysis of Maya Blue carrying artefacts, especially fragment IV of the Codex Huamantla</title>
    <abstract language="eng">Maya Blue, a pigment composed of very low concentrations of natural indigo and the clay mineral palygorskite, is one of the most brilliant blue dyes, intensively used for more than 2000 years in Mesoamerica. It is extremely stable against environmental attacks and was applied by the Indians for inside and outside mural paintings, ceramics, textiles and for colouring their famous codices. In the present paper it was studied as a powder (compared with modern synthetic indigo) and as colour on tissues, a Maya clay head, and fragment IV of the famous Codex Huamantla. Investigations using Raman spectroscopy in the visible and near-infrared range showed a high degree of correspondence among all Maya Blue-carrying samples and a good agreement with synthetic indigo. Additional spectral lines may be explained by a transformation of the planar indigo molecule when binding to the palygorskite lattice. Thermal investigations of the original amatl paper of the codex and of recent paper from fig-trees showed a high similarity and thus proved that this tree was chosen for paper making by Mayas, Aztecs and other Indian tribes. This was also true for the codex.</abstract>
    <parentTitle language="eng">Thermochimica Acta</parentTitle>
    <identifier type="old">16625</identifier>
    <identifier type="issn">0040-6031</identifier>
    <identifier type="issn">1872-762X</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">14.05.2007</enrichment>
    <author>H. G. Wiedemann</author>
    <author>Klaus-Werner Brzezinka</author>
    <author>Klaus Witke</author>
    <author>I. Lamprecht</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Art</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Codices</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Differential scanning calorimetry</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Mesoamerica</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Raman spectroscopy</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Thermogravimetry</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>1023</id>
    <completedYear/>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>7</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1-4</issue>
    <volume>179</volume>
    <type>article</type>
    <publisherName>North-Holland</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Synthesis and characterization of nanoscaled and nanostructured carbon containing materials produced by thermal plasma technology</title>
    <abstract language="eng">Single-walled carbon nanotubes (SWNT) and carbon nitride films are synthesized by a direct current (dc) arc discharge at slightly reduced pressure and by an inductively coupled r.f. plasma (ICP) at atmospheric pressure, respectively. By treatment with nitric acid SWNT are purified from by-products and characterized by scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), and Raman spectroscopy. ICP allows the deposition of carbon nitride films on steel substrate. The deposition of the films creates a relatively strong radial symmetric profile. The structure of the films are rather independent of the distance between substrate and plasma. Raman, Fourier transform infrared (FTIR), and energy dispersive X-ray (EDX) spectroscopy are used for analyzing the carbon nitride materials.</abstract>
    <parentTitle language="eng">Applied surface science</parentTitle>
    <identifier type="old">533</identifier>
    <identifier type="doi">10.1016/S0169-4332(01)00253-7</identifier>
    <identifier type="issn">0169-4332</identifier>
    <identifier type="issn">1873-5584</identifier>
    <enrichment key="eventName">11th Conference on Applied Surface Analysis (AOFA)</enrichment>
    <enrichment key="eventPlace">Leipzig, Germany</enrichment>
    <enrichment key="eventStart">2000-09-24</enrichment>
    <enrichment key="eventEnd">2000-09-28</enrichment>
    <enrichment key="date_peer_review">30.11.2000</enrichment>
    <author>Reinhard Mach</author>
    <author>Hans-Dieter Klotz</author>
    <author>Franz Oleszak</author>
    <author>Heinz-Eberhard Maneck</author>
    <author>Harald Goering</author>
    <author>Klaus-Werner Brzezinka</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Single-walled carbon nanotubes</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Carbon nitride films</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Arc discharge</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Inductively coupled r.f.plasma</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Weder Datei noch physisches Exemplar vorhanden ("No Access")</collection>
  </doc>
  <doc>
    <id>1083</id>
    <completedYear/>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>381</pageFirst>
    <pageLast>392</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1-2</issue>
    <volume>208</volume>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Transition metal oxide/carbon composite catalysts for n-alkane aromatization: Structure and catalytic properties</title>
    <abstract language="eng">Nanocrystalline particles of high temperature pretreated titania, zirconia or hafnium oxide, embedded in a carbon matrix, have been found to catalyze the aromatization of n-octane into ethylbenzene (EB) and o-xylene (OX) with high selectivity. The carbon matrix itself is catalytically not active, but seems to co-operate with the transition metal oxides in such a way that the various metal oxide/carbon composite materials exhibit equal selectivity patterns. In detail, the carbon component stabilizes a high dispersion of the oxides during the high temperature pretreatment procedure. This thermal treatment results in a destruction of surface acidity of the oxides, which would otherwise be responsible for undesirable consecutive and parallel reactions. Moreover, the carbon component is involved in the deep dehydrogenation of alkanes to multiple unsaturated alkenes. This is explained by the ability of surface carbon atoms to interact with hydrogen. The bulk and surface structure of the catalysts have been characterized by XRD, specific surface area measurements, XPS, UPS, Raman spectroscopy, in situ ESR and DRIFT spectroscopy.</abstract>
    <parentTitle language="eng">Applied catalysis / A</parentTitle>
    <identifier type="old">599</identifier>
    <identifier type="doi">10.1016/S0926-860X(00)00736-5</identifier>
    <identifier type="issn">0926-860X</identifier>
    <identifier type="issn">1873-3875</identifier>
    <enrichment key="date_peer_review">19.02.2001</enrichment>
    <author>Klaus-Werner Brzezinka</author>
    <author>A. Trunschke</author>
    <author>D. L. Hoang</author>
    <author>J. Radnik</author>
    <author>A. Brückner</author>
    <author>H. Lieske</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Aromatization</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dehydrocyclization</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>n-Octane</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Monofunctional catalysts</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Zirconia</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Titania</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Oxide/carbon composites</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
  <doc>
    <id>1637</id>
    <completedYear/>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>719</pageFirst>
    <pageLast>726</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>117</volume>
    <type>article</type>
    <publisherName>American Institute of Physics</publisherName>
    <publisherPlace>Melville, NY</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Vibrational excitation and energy redistribution after ultrafest internal conversion in 4-nitroaniline</title>
    <abstract language="eng">Nonequilibrium vibrational excitations of para-nitroaniline (PNA, 4-nitroaniline) occurring after internal conversion from the photoexcited charge transfer state are studied by picosecond anti-Stokes Raman scattering. Vibrational excess populations with distinctly different picosecond rise and decay times are found for a number of modes with frequencies between 860 and 1510 cm1, including the overtone of a non-Raman active mode. A nonthermal distribution of vibrational populations exists up to about 6 ps after photoexcitation. The time-resolved experiments are complemented by steady-state infrared and Raman measurements as well as calculations based on density functional theory, providing a detailed analysis of the steady-state vibrational spectra of PNA and two of its isotopomers. A weakly Raman active vibration at about 1510 cm1 displays the fastest rise time and a pronounced excess population andthusrepresents the main accepting mode. We suggest that an out-of-plane mode giving rise to the overtone Raman band at this frequency acts both as coupling and accepting mode in the internal conversion process.</abstract>
    <parentTitle language="eng">The journal of chemical physics</parentTitle>
    <identifier type="old">1467</identifier>
    <identifier type="doi">10.1063/1.1482698</identifier>
    <identifier type="issn">0021-9606</identifier>
    <identifier type="issn">1089-7690</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">07.11.2002</enrichment>
    <author>V. Kozich</author>
    <author>W. Werncke</author>
    <author>J. Dreyer</author>
    <author>Klaus-Werner Brzezinka</author>
    <author>M. Rini</author>
    <author>T. Elsaesser</author>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
  <doc>
    <id>1638</id>
    <completedYear/>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>98</pageFirst>
    <pageLast>113</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>206</volume>
    <type>article</type>
    <publisherName>Acad. Press</publisherName>
    <publisherPlace>San Diego, Calif.</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Selective Catalytic Reduction of Nitric Oxide by Ammonia over Egg-Shell MnOx/NaY Composite Catalysts</title>
    <abstract language="eng">A novel composite catalyst system for the selective catalytic reduction (SCR) of NOx by NH3 is described operating at temperatures lower than 470 K in the presence of water with NO conversions of 80100% at space velocities of 30,00050,000 h-1. The catalyst is prepared by egg-shell precipitation of MnO2 on the external surface of zeolite NaY. Structural and thermal stability of precipitated MnO2 as well as of the MnO2/NaY composite catalyst were characterized by N2 adsorption, X-ray diffraction, laser Raman spectroscopy, temperature-programmed reduction, and electron microscopy. MnO2 precipitated on zeolite NaY (15 wt% loading) retained its amorphous state up to calcination temperatures of 775 K. The zeolite component remained structurally intact. Calcination at higher temperatures destroyed the zeolite structure and transformed MnO2 into Mn3O4. DRIFT spectroscopic investigations revealed the presence of symmetric O=NON=O species formally corresponding to N2O3 on the composite catalyst after contact with NO. Catalytic measurements under integral flow conditions showed that the catalyst performance is associated with a close coupling of nitrite formation and its drain off from equilibria with NO/NO2 and nitrate by ammonia. Several results are in line with the diazotation mechanism, including NH3 protonation to NH4+, whereas prevailing Lewis acid sites should enable NH3 activation via amide species, thus leading to a parallel amide/nitrosamide SCR reaction route. The activity-temperature profile fulfills the requirements of a low-temperature NOx reduction catalyst for mobile diesel engines if an ammonia supply is implemented on board, e.g., by urea decomposition.</abstract>
    <parentTitle language="eng">Journal of catalysis</parentTitle>
    <identifier type="old">1468</identifier>
    <identifier type="doi">10.1006/jcat.2001.3468</identifier>
    <identifier type="issn">0021-9517</identifier>
    <identifier type="issn">1090-2694</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">07.11.2002</enrichment>
    <author>M. Richter</author>
    <author>A. Trunschke</author>
    <author>U. Bentrup</author>
    <author>Klaus-Werner Brzezinka</author>
    <author>E. Schreier</author>
    <author>M. Schneider</author>
    <author>M.-M. Pohl</author>
    <author>R. Fricke</author>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
  <doc>
    <id>891</id>
    <completedYear/>
    <publishedYear>1999</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>106</pageFirst>
    <pageLast>110</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>354</volume>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Studies of amorphous carbon using X-ray photoelectron spectroscopy, near-edge X-ray-absorption fine structure and Raman spectroscopy</title>
    <parentTitle language="eng">Thin solid films</parentTitle>
    <identifier type="old">372</identifier>
    <identifier type="issn">0040-6090</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">14.08.2000</enrichment>
    <author>Klaus-Werner Brzezinka</author>
    <author>Thomas Gross</author>
    <author>Wolfgang Unger</author>
    <author>M. Ramm</author>
    <author>M. Ata</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Amorphous materials</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Carbon</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Plasma processing and deposition</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Structural properties</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>630</id>
    <completedYear/>
    <publishedYear>1996</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>158</pageFirst>
    <pageLast>165</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>106</volume>
    <type>article</type>
    <publisherName>North-Holland</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Pulsed-laser deposition and boron-blending of diamond-like carbon (DLC) thin films</title>
    <parentTitle language="eng">Applied surface science</parentTitle>
    <identifier type="old">63</identifier>
    <identifier type="issn">0169-4332</identifier>
    <identifier type="issn">1873-5584</identifier>
    <enrichment key="date_peer_review">11.03.1997</enrichment>
    <author>Wolfgang Kautek</author>
    <author>Simone Pentzien</author>
    <author>Andrea Conradi</author>
    <author>Jörg Krüger</author>
    <author>Klaus-Werner Brzezinka</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Pulslaser</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Bor</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dünnfilmtechnologie</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dünnfilm, diamantartig</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Weder Datei noch physisches Exemplar vorhanden ("No Access")</collection>
  </doc>
  <doc>
    <id>7281</id>
    <completedYear/>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>2764</pageFirst>
    <pageLast>2774</pageLast>
    <pageNumber/>
    <edition/>
    <issue>7</issue>
    <volume>38</volume>
    <type>article</type>
    <publisherName>American Chemical Society</publisherName>
    <publisherPlace>Washington, DC</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Dielectric Study of Molecular Mobility in Poly(propylene-graft-maleic anhydride)/Clay Nanocomposites</title>
    <abstract language="eng">Polymer/clay nanocomposite materials based on poly(propylene-graft-maleic anhydride) (PPgMAH) and two different organophilic modified clays were investigated by dielectric relaxation spectroscopy (DRS). In contrast to ungrafted polypropylene (PP), PPgMAH shows a dielectrically active relaxation process which can be assigned to localized fluctuations of the polar maleic anhydride groups. Its relaxation rate exhibits an unusual temperature dependence, which could be attributed to a redistribution of water molecules in the polymeric matrix. This is confirmed by a combination of Raman spectroscopy and thermogravimetric experiments (TGA) with real-time dielectric measurements under controlled atmospheres. In the nanocomposites this relaxation process is shifted to higher frequencies up to 3 orders of magnitude compared to the unfilled polymer. This indicates a significantly enhanced molecular mobility in the interfacial regions. In the nanocomposite materials a separate high-temperature process due to Maxwell-Wagner-Sillars (MWS) polarization was observed. The time constant of this MWS process can be correlated with characteristic length scales in nanocomposites and therefore provides additional information on dispersion and delamination/exfoliation of clay platelets in these materials. These properties also influence the diffusivity of the water molecules as revealed by real-time dielectric investigations.</abstract>
    <parentTitle language="eng">Macromolecules</parentTitle>
    <identifier type="old">7722</identifier>
    <identifier type="doi">10.1021/ma048315c</identifier>
    <identifier type="issn">0024-9297</identifier>
    <identifier type="issn">1520-5835</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">31.03.2005</enrichment>
    <author>Martin Böhning</author>
    <author>Harald Goering</author>
    <author>Andreas Fritz</author>
    <author>Klaus-Werner Brzezinka</author>
    <author>Gamal Turky</author>
    <author>Andreas Schönhals</author>
    <author>Bernhard Schartel</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Polymer clay nanocomposites</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Molecular mobility</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dielectric relaxation spectroscopy</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
</export-example>
