Lattice dynamics of $ BiFeO_{3} $ under hydrostatic pressure
Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zinenko, V. I. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2009 |
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| Anmerkung: |
© Pleiades Publishing, Ltd. 2009 |
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| Übergeordnetes Werk: |
Enthalten in: Physics of the solid state - SP MAIK Nauka/Interperiodica, 1993, 51(2009), 7 vom: Juli, Seite 1404-1408 |
|---|---|
| Übergeordnetes Werk: |
volume:51 ; year:2009 ; number:7 ; month:07 ; pages:1404-1408 |
| Links: |
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| DOI / URN: |
10.1134/S1063783409070208 |
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OLC2040718451 |
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| 520 | |a Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. | ||
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10.1134/S1063783409070208 doi (DE-627)OLC2040718451 (DE-He213)S1063783409070208-p DE-627 ger DE-627 rakwb eng 530 VZ Zinenko, V. I. verfasserin aut Lattice dynamics of $ BiFeO_{3} $ under hydrostatic pressure 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2009 Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. Pavlovskiĭ, M. S. aut Enthalten in Physics of the solid state SP MAIK Nauka/Interperiodica, 1993 51(2009), 7 vom: Juli, Seite 1404-1408 (DE-627)16567332X (DE-600)1159011-7 (DE-576)038490706 1063-7834 nnns volume:51 year:2009 number:7 month:07 pages:1404-1408 https://doi.org/10.1134/S1063783409070208 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_4700 AR 51 2009 7 07 1404-1408 |
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10.1134/S1063783409070208 doi (DE-627)OLC2040718451 (DE-He213)S1063783409070208-p DE-627 ger DE-627 rakwb eng 530 VZ Zinenko, V. I. verfasserin aut Lattice dynamics of $ BiFeO_{3} $ under hydrostatic pressure 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2009 Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. Pavlovskiĭ, M. S. aut Enthalten in Physics of the solid state SP MAIK Nauka/Interperiodica, 1993 51(2009), 7 vom: Juli, Seite 1404-1408 (DE-627)16567332X (DE-600)1159011-7 (DE-576)038490706 1063-7834 nnns volume:51 year:2009 number:7 month:07 pages:1404-1408 https://doi.org/10.1134/S1063783409070208 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_4700 AR 51 2009 7 07 1404-1408 |
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10.1134/S1063783409070208 doi (DE-627)OLC2040718451 (DE-He213)S1063783409070208-p DE-627 ger DE-627 rakwb eng 530 VZ Zinenko, V. I. verfasserin aut Lattice dynamics of $ BiFeO_{3} $ under hydrostatic pressure 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2009 Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. Pavlovskiĭ, M. S. aut Enthalten in Physics of the solid state SP MAIK Nauka/Interperiodica, 1993 51(2009), 7 vom: Juli, Seite 1404-1408 (DE-627)16567332X (DE-600)1159011-7 (DE-576)038490706 1063-7834 nnns volume:51 year:2009 number:7 month:07 pages:1404-1408 https://doi.org/10.1134/S1063783409070208 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_4700 AR 51 2009 7 07 1404-1408 |
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10.1134/S1063783409070208 doi (DE-627)OLC2040718451 (DE-He213)S1063783409070208-p DE-627 ger DE-627 rakwb eng 530 VZ Zinenko, V. I. verfasserin aut Lattice dynamics of $ BiFeO_{3} $ under hydrostatic pressure 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2009 Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. Pavlovskiĭ, M. S. aut Enthalten in Physics of the solid state SP MAIK Nauka/Interperiodica, 1993 51(2009), 7 vom: Juli, Seite 1404-1408 (DE-627)16567332X (DE-600)1159011-7 (DE-576)038490706 1063-7834 nnns volume:51 year:2009 number:7 month:07 pages:1404-1408 https://doi.org/10.1134/S1063783409070208 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_40 GBV_ILN_70 GBV_ILN_4700 AR 51 2009 7 07 1404-1408 |
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Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. © Pleiades Publishing, Ltd. 2009 |
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Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. © Pleiades Publishing, Ltd. 2009 |
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Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure. © Pleiades Publishing, Ltd. 2009 |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">OLC2040718451</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230504111135.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">200820s2009 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1134/S1063783409070208</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC2040718451</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-He213)S1063783409070208-p</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">530</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Zinenko, V. I.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Lattice dynamics of $ BiFeO_{3} $ under hydrostatic pressure</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2009</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Pleiades Publishing, Ltd. 2009</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The vibrational frequencies of the $ BiFeO_{3} $ crystal lattice in the cubic phase (Pm3m) and the rhombohedral paraelectric phase (R3c) are calculated in terms of the ab initio model of an ionic crystal with the inclusion of the dipole and quadrupole polarizabilities. In the ferroelectric phase with the symmetry R3c, the calculated spontaneous polarization of 136 μC $ cm^{−2} $ agrees well with the experimental data. The dependences of the unit cell volume, the elastic modulus, and the vibrational frequencies on the pressure are calculated. It is found that the frequency of an unstable ferroelectric mode in both the cubic (Pm3m) and rhombohedral (R3c) phases are almost independent of the applied pressure, in contrast to classical ferroelectrics with a perovskite structure, where the ferroelectric instability is very sensitive to a variation in the pressure.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Pavlovskiĭ, M. S.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Physics of the solid state</subfield><subfield code="d">SP MAIK Nauka/Interperiodica, 1993</subfield><subfield code="g">51(2009), 7 vom: Juli, Seite 1404-1408</subfield><subfield code="w">(DE-627)16567332X</subfield><subfield code="w">(DE-600)1159011-7</subfield><subfield code="w">(DE-576)038490706</subfield><subfield code="x">1063-7834</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:51</subfield><subfield code="g">year:2009</subfield><subfield code="g">number:7</subfield><subfield code="g">month:07</subfield><subfield code="g">pages:1404-1408</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1134/S1063783409070208</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHY</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_40</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_70</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_4700</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">51</subfield><subfield code="j">2009</subfield><subfield code="e">7</subfield><subfield code="c">07</subfield><subfield code="h">1404-1408</subfield></datafield></record></collection>
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