Search results
- 1.0392281 - FZÚ 2014 RIV US eng J - Journal Article
Weerasinghe, J. - Bellaiche, L. - Ostapchuk, Tetyana - Kužel, Petr - Kadlec, Christelle - Lisenkov, S. - Ponomareva, I. - Hlinka, Jiří
Emergence of central mode in the paraelectric phase of ferroelectric perovskites.
MRS Communications. Roč. 3, č. 1 (2013), s. 41-45. ISSN 2159-6859. E-ISSN 2159-6867
R&D Projects: GA MŠMT ME08109; GA ČR GAP204/10/0616
Institutional support: RVO:68378271
Keywords : soft mode * central mode * dielectric spectroscopy * molecular dynamics simulations
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.553, year: 2013
Permanent Link: http://hdl.handle.net/11104/0221190 - 2.0352308 - FZÚ 2011 RIV GB eng J - Journal Article
Ostapchuk, Tetyana - Petzelt, Jan - Kužel, Petr - Savinov, Maxim - Hlinka, Jiří - Tkach, A. - Vilarinho, P. M. - Lisenkov, S. - Ponomareva, I. - Bellaiche, L.
Lattice dynamics in Ba0.7Sr0.3TiO3: study by THz and IR spectroscopy and ab-initio simulations.
Phase Transitions. Roč. 83, 10-11 (2010), s. 955-965. ISSN 0141-1594. E-ISSN 1029-0338
R&D Projects: GA ČR GAP204/10/0616; GA MŠMT ME08109
Institutional research plan: CEZ:AV0Z10100520
Keywords : soft mode * central mode * complex dielectric function * time-domain terahertz spectroscopy * infrared reflectivity
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.006, year: 2010
Permanent Link: http://hdl.handle.net/11104/0191843 - 3.0334830 - FZÚ 2010 RIV GB eng J - Journal Article
Ostapchuk, Tetyana - Petzelt, Jan - Hlinka, Jiří - Bovtun, Viktor - Kužel, Petr - Ponomareva, I. - Lisenkov, S. - Bellaiche, L. - Tkach, A. - Vilarinho, P.
Broad-band dielectric spectroscopy andferroelectric soft-mode response in the Ba0.6Sr0.4TiO3 solid solution.
[Širokopásmová dielektrická spektroskopie a odezva měkkého módu v pevných roztocích Ba0.6Sr0.4TiO3.]
Journal of Physics-Condensed Matter. Roč. 21, č. 47 (2009), 474215/1-474215/9. ISSN 0953-8984. E-ISSN 1361-648X
R&D Projects: GA AV ČR(CZ) IAA100100907; GA MŠMT ME08109
Grant - others:NSF(US) DMR-0701558; NSF(US) DMR-0404335; NSF(US) DMR-0080054; ONR(US) N00014-04-1-0413; ONR(US) N00014-081-0915
Institutional research plan: CEZ:AV0Z10100520
Keywords : soft mode * central mode * ferroelectric transition
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.964, year: 2009
Permanent Link: http://hdl.handle.net/11104/0179457 - 4.0320731 - FZÚ 2009 RIV GB eng J - Journal Article
Ostapchuk, Tetyana - Petzelt, Jan - Kužel, Petr - Veljko, Sergiy - Tkach, A. - Vilarinho, P. - Ponomareva, I. - Bellaiche, L. - Smirnova, E. - Lemanov, V. - Sotnikov, A. - Weihnacht, M.
Infrared and THz soft-mode spectroscopy of (Ba,Sr)TiO3 ceramics.
[Infračervená a THz spektroskopie keramik (Ba,Sr)TiO3.]
Ferroelectrics. Roč. 367, č. 1 (2008), s. 139-148. ISSN 0015-0193. E-ISSN 1563-5112
R&D Projects: GA ČR GP202/06/P219
Institutional research plan: CEZ:AV0Z10100520
Keywords : soft mode * permittivity * IR reflectivity * (Ba,Sr)TiO3 ceramics
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 0.562, year: 2008
Permanent Link: http://hdl.handle.net/11104/0169516 - 5.0315225 - FZÚ 2009 RIV US eng J - Journal Article
Hlinka, Jiří - Ostapchuk, Tetyana - Nuzhnyy, Dmitry - Petzelt, Jan - Kužel, Petr - Kadlec, Christelle - Vaněk, Přemysl - Ponomareva, I. - Bellaiche, L.
Coexistence of the phonon and relaxation soft modes in the terahertz dielectric response of tetragonal BaTiO3.
[Koexistence fononového a relaxačního měkkého módu v terahertzové dielektrické odezvě tetragonálního BaTiO3.]
Physical Review Letters. Roč. 101, č. 16 (2008), 167402/1-167402/4. ISSN 0031-9007. E-ISSN 1079-7114
R&D Projects: GA MŠMT ME08109; GA MŠMT LC512; GA ČR GP202/06/P219
Institutional research plan: CEZ:AV0Z10100520
Keywords : ferroelectric phase transition * displacive * ordre-disordre * terahertz * soft mode * relaxation
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 7.180, year: 2008
Permanent Link: http://hdl.handle.net/11104/0165487