Thermodynamic Properties of Vanadium Oxypentafluoride (IV) (NH4)3VOF5
The (NH 4 ) 3 VOF 5 crystals have been synthesized and their homogeneity and single-phase structure has been established by the X-ray diffraction, energy dispersive spectroscopy, and X-ray photoelectron spectroscopy studies. The investigations of the temperature dependences of specific heat, entropy...
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| Veröffentlicht in: | Physics of the solid state 2020-07, Vol.62 (7), p.1271-1279 |
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| container_title | Physics of the solid state |
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| creator | Bogdanov, E. V. Pogoreltsev, E. I. Kartashev, A. V. Gorev, M. V. Molokeev, M. S. Mel’nikova, S. V. Flerov, I. N. Laptash, N. M. |
| description | The (NH
4
)
3
VOF
5
crystals have been synthesized and their homogeneity and single-phase structure has been established by the X-ray diffraction, energy dispersive spectroscopy, and X-ray photoelectron spectroscopy studies. The investigations of the temperature dependences of specific heat, entropy, strain, and pressure susceptibility show the occurrence of three phase transitions caused by the structural transformations in the (NH
4
)
3
VOF
5
crystals. The
T
–
p
phase diagram shows the temperature limits of stability of the crystalline phases implemented in (NH
4
)
3
VOF
5
. The optical and dielectric studies disclose the ferroelastic nature of the phase transitions. An analysis of the experimental data together with the data on the isostructural (NH
4
)
3
VO
2
F
4
crystal makes it possible to distinguish the physical properties of oxyfluorides containing vanadium of different valences (IV and V). |
| doi_str_mv | 10.1134/S1063783420070057 |
| format | Article |
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4
)
3
VOF
5
crystals have been synthesized and their homogeneity and single-phase structure has been established by the X-ray diffraction, energy dispersive spectroscopy, and X-ray photoelectron spectroscopy studies. The investigations of the temperature dependences of specific heat, entropy, strain, and pressure susceptibility show the occurrence of three phase transitions caused by the structural transformations in the (NH
4
)
3
VOF
5
crystals. The
T
–
p
phase diagram shows the temperature limits of stability of the crystalline phases implemented in (NH
4
)
3
VOF
5
. The optical and dielectric studies disclose the ferroelastic nature of the phase transitions. An analysis of the experimental data together with the data on the isostructural (NH
4
)
3
VO
2
F
4
crystal makes it possible to distinguish the physical properties of oxyfluorides containing vanadium of different valences (IV and V).</description><identifier>ISSN: 1063-7834</identifier><identifier>EISSN: 1090-6460</identifier><identifier>DOI: 10.1134/S1063783420070057</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Crystal structure ; Crystals ; Homogeneity ; Oxyfluorides ; Phase diagrams ; Phase transitions ; Photoelectrons ; Physical properties ; Physics ; Physics and Astronomy ; Solid phases ; Solid State Physics ; Spectroscopic analysis ; Spectrum analysis ; Thermal Properties ; Thermodynamic properties ; Vanadium ; X ray photoelectron spectroscopy</subject><ispartof>Physics of the solid state, 2020-07, Vol.62 (7), p.1271-1279</ispartof><rights>Pleiades Publishing, Ltd. 2020</rights><rights>Pleiades Publishing, Ltd. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2317-9aa433a673989e7883fd9651e73e65ad3e4302be823f26e71cc8de9d5c36e9bd3</citedby><cites>FETCH-LOGICAL-c2317-9aa433a673989e7883fd9651e73e65ad3e4302be823f26e71cc8de9d5c36e9bd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S1063783420070057$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S1063783420070057$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids></links><search><creatorcontrib>Bogdanov, E. V.</creatorcontrib><creatorcontrib>Pogoreltsev, E. I.</creatorcontrib><creatorcontrib>Kartashev, A. V.</creatorcontrib><creatorcontrib>Gorev, M. V.</creatorcontrib><creatorcontrib>Molokeev, M. S.</creatorcontrib><creatorcontrib>Mel’nikova, S. V.</creatorcontrib><creatorcontrib>Flerov, I. N.</creatorcontrib><creatorcontrib>Laptash, N. M.</creatorcontrib><title>Thermodynamic Properties of Vanadium Oxypentafluoride (IV) (NH4)3VOF5</title><title>Physics of the solid state</title><addtitle>Phys. Solid State</addtitle><description>The (NH
4
)
3
VOF
5
crystals have been synthesized and their homogeneity and single-phase structure has been established by the X-ray diffraction, energy dispersive spectroscopy, and X-ray photoelectron spectroscopy studies. The investigations of the temperature dependences of specific heat, entropy, strain, and pressure susceptibility show the occurrence of three phase transitions caused by the structural transformations in the (NH
4
)
3
VOF
5
crystals. The
T
–
p
phase diagram shows the temperature limits of stability of the crystalline phases implemented in (NH
4
)
3
VOF
5
. The optical and dielectric studies disclose the ferroelastic nature of the phase transitions. An analysis of the experimental data together with the data on the isostructural (NH
4
)
3
VO
2
F
4
crystal makes it possible to distinguish the physical properties of oxyfluorides containing vanadium of different valences (IV and V).</description><subject>Crystal structure</subject><subject>Crystals</subject><subject>Homogeneity</subject><subject>Oxyfluorides</subject><subject>Phase diagrams</subject><subject>Phase transitions</subject><subject>Photoelectrons</subject><subject>Physical properties</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Solid phases</subject><subject>Solid State Physics</subject><subject>Spectroscopic analysis</subject><subject>Spectrum analysis</subject><subject>Thermal Properties</subject><subject>Thermodynamic properties</subject><subject>Vanadium</subject><subject>X ray photoelectron spectroscopy</subject><issn>1063-7834</issn><issn>1090-6460</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kE1Lw0AQhhdRsFZ_gLeAl_YQ3clsdrNHKa0tFCtYew3b7ERTmg93GzD_3pQKHsTTDMzzvAMvY7fA7wFQPLwCl6gSFBHnivNYnbEBcM1DKSQ_P-4Sw-P9kl15v-McAGI9YNP1B7mytl1lyiILXlzdkDsU5IM6DzamMrZoy2D11TVUHUy-b2tXWApGi804GD3PxRg3q1l8zS5ys_d08zOH7G02XU_m4XL1tJg8LsMsQlChNkYgGqlQJ5pUkmButYyBFJKMjUUSyKMtJRHmkSQFWZZY0jbOUJLeWhyyu1Nu4-rPlvwh3dWtq_qXaSRA97kQi56CE5W52ntHedq4ojSuS4Gnx7bSP231TnRyfM9W7-R-k_-XvgFBZWk0</recordid><startdate>20200701</startdate><enddate>20200701</enddate><creator>Bogdanov, E. V.</creator><creator>Pogoreltsev, E. I.</creator><creator>Kartashev, A. V.</creator><creator>Gorev, M. V.</creator><creator>Molokeev, M. S.</creator><creator>Mel’nikova, S. V.</creator><creator>Flerov, I. N.</creator><creator>Laptash, N. M.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200701</creationdate><title>Thermodynamic Properties of Vanadium Oxypentafluoride (IV) (NH4)3VOF5</title><author>Bogdanov, E. V. ; Pogoreltsev, E. I. ; Kartashev, A. V. ; Gorev, M. V. ; Molokeev, M. S. ; Mel’nikova, S. V. ; Flerov, I. N. ; Laptash, N. M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2317-9aa433a673989e7883fd9651e73e65ad3e4302be823f26e71cc8de9d5c36e9bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Crystal structure</topic><topic>Crystals</topic><topic>Homogeneity</topic><topic>Oxyfluorides</topic><topic>Phase diagrams</topic><topic>Phase transitions</topic><topic>Photoelectrons</topic><topic>Physical properties</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Solid phases</topic><topic>Solid State Physics</topic><topic>Spectroscopic analysis</topic><topic>Spectrum analysis</topic><topic>Thermal Properties</topic><topic>Thermodynamic properties</topic><topic>Vanadium</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bogdanov, E. V.</creatorcontrib><creatorcontrib>Pogoreltsev, E. I.</creatorcontrib><creatorcontrib>Kartashev, A. V.</creatorcontrib><creatorcontrib>Gorev, M. V.</creatorcontrib><creatorcontrib>Molokeev, M. S.</creatorcontrib><creatorcontrib>Mel’nikova, S. V.</creatorcontrib><creatorcontrib>Flerov, I. N.</creatorcontrib><creatorcontrib>Laptash, N. M.</creatorcontrib><collection>CrossRef</collection><jtitle>Physics of the solid state</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bogdanov, E. V.</au><au>Pogoreltsev, E. I.</au><au>Kartashev, A. V.</au><au>Gorev, M. V.</au><au>Molokeev, M. S.</au><au>Mel’nikova, S. V.</au><au>Flerov, I. N.</au><au>Laptash, N. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermodynamic Properties of Vanadium Oxypentafluoride (IV) (NH4)3VOF5</atitle><jtitle>Physics of the solid state</jtitle><stitle>Phys. Solid State</stitle><date>2020-07-01</date><risdate>2020</risdate><volume>62</volume><issue>7</issue><spage>1271</spage><epage>1279</epage><pages>1271-1279</pages><issn>1063-7834</issn><eissn>1090-6460</eissn><abstract>The (NH
4
)
3
VOF
5
crystals have been synthesized and their homogeneity and single-phase structure has been established by the X-ray diffraction, energy dispersive spectroscopy, and X-ray photoelectron spectroscopy studies. The investigations of the temperature dependences of specific heat, entropy, strain, and pressure susceptibility show the occurrence of three phase transitions caused by the structural transformations in the (NH
4
)
3
VOF
5
crystals. The
T
–
p
phase diagram shows the temperature limits of stability of the crystalline phases implemented in (NH
4
)
3
VOF
5
. The optical and dielectric studies disclose the ferroelastic nature of the phase transitions. An analysis of the experimental data together with the data on the isostructural (NH
4
)
3
VO
2
F
4
crystal makes it possible to distinguish the physical properties of oxyfluorides containing vanadium of different valences (IV and V).</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1063783420070057</doi><tpages>9</tpages></addata></record> |
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| language | eng |
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| source | SpringerNature Journals |
| subjects | Crystal structure Crystals Homogeneity Oxyfluorides Phase diagrams Phase transitions Photoelectrons Physical properties Physics Physics and Astronomy Solid phases Solid State Physics Spectroscopic analysis Spectrum analysis Thermal Properties Thermodynamic properties Vanadium X ray photoelectron spectroscopy |
| title | Thermodynamic Properties of Vanadium Oxypentafluoride (IV) (NH4)3VOF5 |
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