High-pressure Raman study of mono-l-alaninium nitrate crystals
Single-crystal samples of mono-l-alaninium nitrate, known for its non-linear optical properties, have been studied by Raman spectroscopy in a diamond-anvil cell up to pressures of 7.4GPa. The data acquired in this study are consistent with the hypothesis that a phase transition takes place between 3...
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2017-09, Vol.521, p.317-322 |
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| container_title | Physica. B, Condensed matter |
| container_volume | 521 |
| creator | Soares, R.A. Lima, R.J.C. Façanha Filho, P.F. Freire, P.T.C. Lima, J.A. da Silva Filho, J.G. |
| description | Single-crystal samples of mono-l-alaninium nitrate, known for its non-linear optical properties, have been studied by Raman spectroscopy in a diamond-anvil cell up to pressures of 7.4GPa. The data acquired in this study are consistent with the hypothesis that a phase transition takes place between 3.5 and 4.1GPa, as suggested by the change of Raman profile in both the low wavenumber and the internal modes spectral regions. A detailed analysis of the vibrational properties in the wavenumber region below 130cm−1 including the dependence of the wavenumber of the observed modes as a function of pressure as well a comparison with previous papers reporting the Raman spectra of the L-alanine is presented. Correlation between hydrogen bond at room pressure and the occurrence of the phase transition with pressure variation was proposed giving new insights about the problem. Upon decompression to ambient pressure the original spectra were recovered indicating that the phase transition is reversible. |
| doi_str_mv | 10.1016/j.physb.2017.07.007 |
| format | Article |
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The data acquired in this study are consistent with the hypothesis that a phase transition takes place between 3.5 and 4.1GPa, as suggested by the change of Raman profile in both the low wavenumber and the internal modes spectral regions. A detailed analysis of the vibrational properties in the wavenumber region below 130cm−1 including the dependence of the wavenumber of the observed modes as a function of pressure as well a comparison with previous papers reporting the Raman spectra of the L-alanine is presented. Correlation between hydrogen bond at room pressure and the occurrence of the phase transition with pressure variation was proposed giving new insights about the problem. Upon decompression to ambient pressure the original spectra were recovered indicating that the phase transition is reversible.</description><identifier>ISSN: 0921-4526</identifier><identifier>EISSN: 1873-2135</identifier><identifier>DOI: 10.1016/j.physb.2017.07.007</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Alanine ; Aluminum ; Correlation analysis ; Data acquisition ; Diamonds ; High-pressures ; Hydrogen bonds ; Mono-l-alaninium nitrate ; Nitrates ; Optical properties ; Phase transitions ; Pressure ; Raman spectra ; Raman spectroscopy ; Single crystals ; Studies ; Wavelengths</subject><ispartof>Physica. 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B, Condensed matter</title><description>Single-crystal samples of mono-l-alaninium nitrate, known for its non-linear optical properties, have been studied by Raman spectroscopy in a diamond-anvil cell up to pressures of 7.4GPa. The data acquired in this study are consistent with the hypothesis that a phase transition takes place between 3.5 and 4.1GPa, as suggested by the change of Raman profile in both the low wavenumber and the internal modes spectral regions. A detailed analysis of the vibrational properties in the wavenumber region below 130cm−1 including the dependence of the wavenumber of the observed modes as a function of pressure as well a comparison with previous papers reporting the Raman spectra of the L-alanine is presented. Correlation between hydrogen bond at room pressure and the occurrence of the phase transition with pressure variation was proposed giving new insights about the problem. Upon decompression to ambient pressure the original spectra were recovered indicating that the phase transition is reversible.</description><subject>Alanine</subject><subject>Aluminum</subject><subject>Correlation analysis</subject><subject>Data acquisition</subject><subject>Diamonds</subject><subject>High-pressures</subject><subject>Hydrogen bonds</subject><subject>Mono-l-alaninium nitrate</subject><subject>Nitrates</subject><subject>Optical properties</subject><subject>Phase transitions</subject><subject>Pressure</subject><subject>Raman spectra</subject><subject>Raman spectroscopy</subject><subject>Single crystals</subject><subject>Studies</subject><subject>Wavelengths</subject><issn>0921-4526</issn><issn>1873-2135</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kM1LxDAQxYMouK7-BV4KnlPzsU3Tg4Is6goLgug5TNOpm7L9MGmF_vdmXc8OD97l_WaYR8g1ZylnXN026bCbQ5kKxvOURbH8hCy4ziUVXGanZMEKwekqE-qcXITQsDg85wtyv3GfOzp4DGHymLxBC10Sxqmak75O2r7r6Z7CHjrXualNOjd6GDGxfg4j7MMlOauj4dWfL8nH0-P7ekO3r88v64cttVLykSpA4ELzcmXrQmoQNWhbQl5plFiudAwVWZYrxMJarQBQKQ0MrRIVkyXIJbk57h18_zVhGE3TT76LJ00kORcsy2RMyWPK-j4Ej7UZvGvBz4YzcyjKNOa3KHMoyrAolkfq7khhfODboTfBOuwsVs6jHU3Vu3_5H7iwcvY</recordid><startdate>20170915</startdate><enddate>20170915</enddate><creator>Soares, R.A.</creator><creator>Lima, R.J.C.</creator><creator>Façanha Filho, P.F.</creator><creator>Freire, P.T.C.</creator><creator>Lima, J.A.</creator><creator>da Silva Filho, J.G.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20170915</creationdate><title>High-pressure Raman study of mono-l-alaninium nitrate crystals</title><author>Soares, R.A. ; Lima, R.J.C. ; Façanha Filho, P.F. ; Freire, P.T.C. ; Lima, J.A. ; da Silva Filho, J.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-6aea1281b4cf938a2fa8cba7d8e3eb4833195576ee9cc86aae668a0ec62d03ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Alanine</topic><topic>Aluminum</topic><topic>Correlation analysis</topic><topic>Data acquisition</topic><topic>Diamonds</topic><topic>High-pressures</topic><topic>Hydrogen bonds</topic><topic>Mono-l-alaninium nitrate</topic><topic>Nitrates</topic><topic>Optical properties</topic><topic>Phase transitions</topic><topic>Pressure</topic><topic>Raman spectra</topic><topic>Raman spectroscopy</topic><topic>Single crystals</topic><topic>Studies</topic><topic>Wavelengths</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Soares, R.A.</creatorcontrib><creatorcontrib>Lima, R.J.C.</creatorcontrib><creatorcontrib>Façanha Filho, P.F.</creatorcontrib><creatorcontrib>Freire, P.T.C.</creatorcontrib><creatorcontrib>Lima, J.A.</creatorcontrib><creatorcontrib>da Silva Filho, J.G.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Soares, R.A.</au><au>Lima, R.J.C.</au><au>Façanha Filho, P.F.</au><au>Freire, P.T.C.</au><au>Lima, J.A.</au><au>da Silva Filho, J.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-pressure Raman study of mono-l-alaninium nitrate crystals</atitle><jtitle>Physica. B, Condensed matter</jtitle><date>2017-09-15</date><risdate>2017</risdate><volume>521</volume><spage>317</spage><epage>322</epage><pages>317-322</pages><issn>0921-4526</issn><eissn>1873-2135</eissn><abstract>Single-crystal samples of mono-l-alaninium nitrate, known for its non-linear optical properties, have been studied by Raman spectroscopy in a diamond-anvil cell up to pressures of 7.4GPa. The data acquired in this study are consistent with the hypothesis that a phase transition takes place between 3.5 and 4.1GPa, as suggested by the change of Raman profile in both the low wavenumber and the internal modes spectral regions. A detailed analysis of the vibrational properties in the wavenumber region below 130cm−1 including the dependence of the wavenumber of the observed modes as a function of pressure as well a comparison with previous papers reporting the Raman spectra of the L-alanine is presented. Correlation between hydrogen bond at room pressure and the occurrence of the phase transition with pressure variation was proposed giving new insights about the problem. Upon decompression to ambient pressure the original spectra were recovered indicating that the phase transition is reversible.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physb.2017.07.007</doi><tpages>6</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Alanine Aluminum Correlation analysis Data acquisition Diamonds High-pressures Hydrogen bonds Mono-l-alaninium nitrate Nitrates Optical properties Phase transitions Pressure Raman spectra Raman spectroscopy Single crystals Studies Wavelengths |
| title | High-pressure Raman study of mono-l-alaninium nitrate crystals |
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