Výsledky vyhledávání
- 1.0573143 - FZÚ 2024 RIV NL eng J - Článek v odborném periodiku
Mihalik, M. - Mihalik jr., M. - Zentková, M. - Alves Maia, André Filipe - Vilarinho, P. - Almeida, A. - Moreira, J.A. - Pospíšil, J. - Uhlířová, K.
Magnetic properties of TbMn0.98Fe0.02O3 single crystal.
Journal of Magnetism and Magnetic Materials. Roč. 549, May (2022), č. článku 168986. ISSN 0304-8853. E-ISSN 1873-4766
Grant CEP: GA MŠMT(CZ) LM2018096
Institucionální podpora: RVO:68378271
Klíčová slova: multiferroics * TbMnO3 * single crystal * magnetic anisotropy * magnetic phase transition
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 2.7, rok: 2022
Způsob publikování: Omezený přístup
https://doi.org/10.1016/j.jmmm.2021.168986
Trvalý link: https://hdl.handle.net/11104/0343607 - 2.0370442 - FZÚ 2012 RIV US eng J - Článek v odborném periodiku
Lopes, P.C. - Moreira, J.A. - Almeida, A. - Esteves, A. - Gregora, Ivan - Ledinský, Martin - Lopes, J.C. - Henrique, R. - Oliveira, A.
Discriminating adenocarcinoma from normal colonic mucosa through deconvolution of Raman spectra.
Journal of Biomedical Optics. Roč. 16, č. 12 (2011), 127001/1-127001/12. ISSN 1083-3668. E-ISSN 1560-2281
Výzkumný záměr: CEZ:AV0Z10100520; CEZ:AV0Z10100521
Klíčová slova: biomedical optics * Raman spectroscopy * deconvolution * data processing
Kód oboru RIV: BH - Optika, masery a lasery
Impakt faktor: 3.157, rok: 2011
Trvalý link: http://hdl.handle.net/11104/0204244 - 3.0366112 - FZÚ 2012 RIV GB eng J - Článek v odborném periodiku
Tkach, A. - Correia, T.M. - Almeida, A. - Moreira, J.A. - Chaves, M. R. - Okhay, O. - Vilarinho, P. M. - Gregora, Ivan - Petzelt, Jan
Role of trivalent Sr substituents and Sr vacancies in tetragonaland polar states of SrTiO3.
Acta Materialia. Roč. 59, č. 14 (2011), 5388-5397. ISSN 1359-6454. E-ISSN 1873-2453
Grant CEP: GA AV ČR KAN301370701
Výzkumný záměr: CEZ:AV0Z10100520
Klíčová slova: phase transformations * dynamic phenomena * Raman spectroscopy * lattice defect vacancies * perovskites
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
Impakt faktor: 3.755, rok: 2011
http://www.sciencedirect.com/science/article/pii/S1359645411003417
Trvalý link: http://hdl.handle.net/11104/0201197 - 4.0359471 - FZÚ 2012 RIV US eng J - Journal Article
Tkach, A. - Almeida, A. - Moreira, J.A. - Correia, T.M. - Chaves, M. R. - Okhay, O. - Vilarinho, P. M. - Gregora, Ivan - Petzelt, Jan
Enhancement of tetragonality and role of strontium vacancies in heterovalent doped SrTiO3.
Applied Physics Letters. Roč. 98, č. 5 (2011), "052903-1"-"052903-2". ISSN 0003-6951. E-ISSN 1077-3118
R&D Projects: GA AV ČR KAN301370701
Institutional research plan: CEZ:AV0Z10100520
Keywords : strontium titanate * doping * phase transition * Raman spectroscopy
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.844, year: 2011
Permanent Link: http://hdl.handle.net/11104/0197256 - 5.0353097 - FZÚ 2011 RIV GB eng J - Journal Article
Goian, Veronica - Kamba, Stanislav - Kadlec, Christelle - Nuzhnyy, Dmitry - Kužel, Petr - Moreira, J.A. - Almeida, A. - Tavares, P.B.
THz and infrared studies of multiferroic hexagonal Y1-xEuxMnO3 (x = 0 - 0.2) ceramics.
Phase Transitions. Roč. 83, 10-11 (2010), s. 931-941. ISSN 0141-1594. E-ISSN 1029-0338
R&D Projects: GA ČR(CZ) GA202/09/0682
Institutional research plan: CEZ:AV0Z10100520
Keywords : multiferroics * infrared and THz spectroscopy * phonons
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.006, year: 2010
Permanent Link: http://hdl.handle.net/11104/0192437 - 6.0133637 - FZU-D 20010437 RIV NL eng J - Journal Article
Petzelt, Jan - Gregora, Ivan - Rychetský, Ivan - Ostapchuk, Tetyana - Kamba, Stanislav - Vaněk, Přemysl - Yuzyuk, Y. - Almeida, A. - Chavez, M. R. - Gorshunov, B. - Dressel, M. - Hoffmann-Eifert, S. - Waser, R.
Polar grain boundaries in undoped SrTiO3 ceramics.
Journal of the European Ceramic Society. Roč. 21, - (2001), s. 2681-2686. ISSN 0955-2219. E-ISSN 1873-619X
R&D Projects: GA ČR GA202/98/1282; GA ČR GA202/00/1187
Institutional research plan: CEZ:AV0Z1010914
Keywords : dielectric permittivity * grain boundaries * polar soft mode * strontium titanate (STO) ceramics
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.071, year: 2001
Permanent Link: http://hdl.handle.net/11104/0031600 - 7.0133584 - FZU-D 20010384 RIV US eng J - Journal Article
Petzelt, Jan - Ostapchuk, Tetyana - Gregora, Ivan - Rychetský, Ivan - Hoffmann-Eiffert, S. - Pronin, A. V. - Yuzyuk, Y. - Gorshunov, B. P. - Kamba, Stanislav - Bovtun, Viktor - Pokorný, Jan - Savinov, Maxim - Porokhonskyy, Viktor - Rafaja, D. - Vaněk, Přemysl - Almeida, A. - Chaves, M. R. - Volkov, A. A. - Dressel, M. - Waser, R.
Dielectric, infrared, and Raman response of undoped SrTiO3 ceramics: evidence of polar grain boundaries.
Physical Review. B. Roč. 64, - (2001), s. 184111-1-184111-9. ISSN 0163-1829
R&D Projects: GA ČR GA202/01/0612; GA ČR GA202/00/1187; GA AV ČR IAA1010918; GA MŠMT OC 525.20
Grant - others:-(DE) DFG/GO 976/1; -(RU) 99-02-16859; -(RU) 00-15-96773
Institutional research plan: CEZ:AV0Z1010914
Keywords : SrTiO3 ceramics * Raman and infrared reflectivity
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.070, year: 2001
Permanent Link: http://hdl.handle.net/11104/0031547 - 8.0098443 - FZÚ 2008 RIV US eng J - Journal Article
Moreira, J.A. - Almeida, A. - Chaves, M. R. - Santos, M.L. - Alferes, P.P. - Gregora, Ivan
Raman spectroscopic study of the phase transitions and pseudospin phonon coupling in sodium ammonium sulphate dihydrate.
[Ramanova spektroskopie fázových přechodů a pseudospin-fononové vazby v dihydrátu síranu sodno-amonného.]
Physical Review. B. Roč. 76, č. 17 (2007), 174102/1-174102/15. ISSN 1098-0121. E-ISSN 2469-9969
Institutional research plan: CEZ:AV0Z10100520
Keywords : phase transitions * Raman scattering * pseudospin coupling
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.172, year: 2007
Permanent Link: http://hdl.handle.net/11104/0157352 - 9.0029718 - FZÚ 2006 RIV GB eng J - Journal Article
Almeida, A. - Chaves, M. R. - Gregora, Ivan - Muga, N.J. - Vilarinho, P. M. - Kholkin, A. L. - Costa, A.M.
Lattice dynamics and negative search for pyroelectricity in Sr(1-1.5x)LaxTiO3 ceramics.
[Dynamika mřížky a negatívní výsledek pátrání po pyroelektřině v keramice Sr(1-1.5x)LaxTiO3]
Ferroelectrics. Roč. 318, - (2005), s. 147-153. ISSN 0015-0193. E-ISSN 1563-5112
Grant - others:POCT/CTM(PT) 45284/2002; Programa FEDER/POCTI Fundacio para a Ciencia a Technologia(PT) no = 155/94; Fundacio para a Ciencia a Technologia(PT) BICJ/247847/2001
Institutional research plan: CEZ:AV0Z10100520
Keywords : quantum paraelectricity * Raman spectra * pyroelectric current * relaxors
Subject RIV: BL - Plasma and Gas Discharge Physics
Impact factor: 0.459, year: 2005
Permanent Link: http://hdl.handle.net/11104/0119522