Pressure-induced decomposition of indium hydroxide.
Identifieur interne : 001801 ( Main/Exploration ); précédent : 001800; suivant : 001802Pressure-induced decomposition of indium hydroxide.
Auteurs : RBID : pubmed:20731389English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Hydroxides, Indium.
- Pressure, Temperature.
Abstract
A static pressure-induced decomposition of indium hydroxide into metallic indium that takes place at ambient temperature is reported. The lattice parameter of c-In(OH)(3) decreased upon compression from 7.977(2) to approximately 7.45 A at 34 GPa, corresponding to a decrease in specific volume of approximately 18%. Fitting the second-order Birch-Murnaghan equation of state to the obtained compression data gave a bulk modulus of 99 +/- 3 GPa for c-In(OH)(3). The c-In(OH)(3) crystals with a size of approximately 100 nm are comminuted upon compression, as indicated by the grain-size reduction reflected in broadening of the diffraction reflections and the appearance of smaller (approximately 5 nm) incoherently oriented domains in TEM. The rapid decompression of compressed c-In(OH)(3) leads to partial decomposition of indium hydroxide into metallic indium, mainly as a result of localized stress gradients caused by relaxation of the highly disordered indium sublattice in indium hydroxide. This partial decomposition of indium hydroxide into metallic indium is irreversible, as confirmed by angle-dispersive X-ray diffraction, transmission electron microscopy imaging, Raman scattering, and FTIR spectroscopy. Recovered c-In(OH)(3) samples become completely black and nontransparent and show typical features of metals, i.e., a falling absorption in the 100-250 cm(-1) region accompanied by a featureless spectrum in the 250-2500 cm(-1) region in the Raman spectrum and Drude-like absorption of free electrons in the region of 4000-8000 cm(-1) in the FTIR spectrum. These features were not observed in the initial c-In(OH)(3), which is a typical white wide-band-gap semiconductor.
DOI: 10.1021/ja104278p
PubMed: 20731389
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Pressure-induced decomposition of indium hydroxide.</title><author><name sortKey="Gurlo, Aleksander" uniqKey="Gurlo A">Aleksander Gurlo</name><affiliation wicri:level="3"><nlm:affiliation>Fachbereich Material- und Geowissenschaften, Technische Universität Darmstadt, Petersenstr. 23, 64287 Darmstadt, Germany. gurlo@materials.tu-darmstadt.de</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Fachbereich Material- und Geowissenschaften, Technische Universität Darmstadt, Petersenstr. 23, 64287 Darmstadt</wicri:regionArea><placeName><region type="land" nuts="1">Hesse (Land)</region><region type="district" nuts="2">District de Darmstadt</region><settlement type="city">Darmstadt</settlement></placeName></affiliation></author><author><name sortKey="Dzivenko, Dmytro" uniqKey="Dzivenko D">Dmytro Dzivenko</name></author><author><name sortKey="Andrade, Miria" uniqKey="Andrade M">Miria Andrade</name></author><author><name sortKey="Riedel, Ralf" uniqKey="Riedel R">Ralf Riedel</name></author><author><name sortKey="Lauterbach, Stefan" uniqKey="Lauterbach S">Stefan Lauterbach</name></author><author><name sortKey="Kleebe, Hans Joachim" uniqKey="Kleebe H">Hans-Joachim Kleebe</name></author></titleStmt><publicationStmt><date when="2010">2010</date><idno type="doi">10.1021/ja104278p</idno><idno type="RBID">pubmed:20731389</idno><idno type="pmid">20731389</idno><idno type="wicri:Area/Main/Corpus">001802</idno><idno type="wicri:Area/Main/Curation">001802</idno><idno type="wicri:Area/Main/Exploration">001801</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Hydroxides (chemistry)</term><term>Indium (chemistry)</term><term>Pressure</term><term>Temperature</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Hydroxides</term><term>Indium</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Pressure</term><term>Temperature</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A static pressure-induced decomposition of indium hydroxide into metallic indium that takes place at ambient temperature is reported. The lattice parameter of c-In(OH)(3) decreased upon compression from 7.977(2) to approximately 7.45 A at 34 GPa, corresponding to a decrease in specific volume of approximately 18%. Fitting the second-order Birch-Murnaghan equation of state to the obtained compression data gave a bulk modulus of 99 +/- 3 GPa for c-In(OH)(3). The c-In(OH)(3) crystals with a size of approximately 100 nm are comminuted upon compression, as indicated by the grain-size reduction reflected in broadening of the diffraction reflections and the appearance of smaller (approximately 5 nm) incoherently oriented domains in TEM. The rapid decompression of compressed c-In(OH)(3) leads to partial decomposition of indium hydroxide into metallic indium, mainly as a result of localized stress gradients caused by relaxation of the highly disordered indium sublattice in indium hydroxide. This partial decomposition of indium hydroxide into metallic indium is irreversible, as confirmed by angle-dispersive X-ray diffraction, transmission electron microscopy imaging, Raman scattering, and FTIR spectroscopy. Recovered c-In(OH)(3) samples become completely black and nontransparent and show typical features of metals, i.e., a falling absorption in the 100-250 cm(-1) region accompanied by a featureless spectrum in the 250-2500 cm(-1) region in the Raman spectrum and Drude-like absorption of free electrons in the region of 4000-8000 cm(-1) in the FTIR spectrum. These features were not observed in the initial c-In(OH)(3), which is a typical white wide-band-gap semiconductor.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">20731389</PMID><DateCreated><Year>2010</Year><Month>09</Month><Day>08</Day></DateCreated><DateCompleted><Year>2011</Year><Month>01</Month><Day>05</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1520-5126</ISSN><JournalIssue CitedMedium="Internet"><Volume>132</Volume><Issue>36</Issue><PubDate><Year>2010</Year><Month>Sep</Month><Day>15</Day></PubDate></JournalIssue><Title>Journal of the American Chemical Society</Title><ISOAbbreviation>J. Am. Chem. Soc.</ISOAbbreviation></Journal><ArticleTitle>Pressure-induced decomposition of indium hydroxide.</ArticleTitle><Pagination><MedlinePgn>12674-8</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/ja104278p</ELocationID><Abstract><AbstractText>A static pressure-induced decomposition of indium hydroxide into metallic indium that takes place at ambient temperature is reported. The lattice parameter of c-In(OH)(3) decreased upon compression from 7.977(2) to approximately 7.45 A at 34 GPa, corresponding to a decrease in specific volume of approximately 18%. Fitting the second-order Birch-Murnaghan equation of state to the obtained compression data gave a bulk modulus of 99 +/- 3 GPa for c-In(OH)(3). The c-In(OH)(3) crystals with a size of approximately 100 nm are comminuted upon compression, as indicated by the grain-size reduction reflected in broadening of the diffraction reflections and the appearance of smaller (approximately 5 nm) incoherently oriented domains in TEM. The rapid decompression of compressed c-In(OH)(3) leads to partial decomposition of indium hydroxide into metallic indium, mainly as a result of localized stress gradients caused by relaxation of the highly disordered indium sublattice in indium hydroxide. This partial decomposition of indium hydroxide into metallic indium is irreversible, as confirmed by angle-dispersive X-ray diffraction, transmission electron microscopy imaging, Raman scattering, and FTIR spectroscopy. Recovered c-In(OH)(3) samples become completely black and nontransparent and show typical features of metals, i.e., a falling absorption in the 100-250 cm(-1) region accompanied by a featureless spectrum in the 250-2500 cm(-1) region in the Raman spectrum and Drude-like absorption of free electrons in the region of 4000-8000 cm(-1) in the FTIR spectrum. These features were not observed in the initial c-In(OH)(3), which is a typical white wide-band-gap semiconductor.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gurlo</LastName><ForeName>Aleksander</ForeName><Initials>A</Initials><Affiliation>Fachbereich Material- und Geowissenschaften, Technische Universität Darmstadt, Petersenstr. 23, 64287 Darmstadt, Germany. gurlo@materials.tu-darmstadt.de</Affiliation></Author><Author ValidYN="Y"><LastName>Dzivenko</LastName><ForeName>Dmytro</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Andrade</LastName><ForeName>Miria</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Riedel</LastName><ForeName>Ralf</ForeName><Initials>R</Initials></Author><Author ValidYN="Y"><LastName>Lauterbach</LastName><ForeName>Stefan</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Kleebe</LastName><ForeName>Hans-Joachim</ForeName><Initials>HJ</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType><PublicationType>Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Am Chem Soc</MedlineTA><NlmUniqueID>7503056</NlmUniqueID><ISSNLinking>0002-7863</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance>Hydroxides</NameOfSubstance></Chemical><Chemical><RegistryNumber>045A6V3VFX</RegistryNumber><NameOfSubstance>Indium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N">Hydroxides</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Indium</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Pressure</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Temperature</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>8</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>8</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>1</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1021/ja104278p</ArticleId><ArticleId IdType="pubmed">20731389</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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