0133643 - FZU-D 20010443 RIV GB eng J - Článek v odborném periodiku
Galinetto, P. - Giulotto, E. - Camagni, P. - Samoggia, G. - Trepakov, Vladimír - Boatner, L. A.
Structural effects of Li and Nb codoping in a KTaO₃ matrix: a Raman investigation.
Radiation Effects and Defects in Solids. Roč. 155, - (2001), s. 259-263. ISSN 1042-0150. E-ISSN 1029-4953
Grant CEP: GA ČR GA202/00/1425
Výzkumný záměr: CEZ:AV0Z1010914
Klíčová slova: phase transitions * impurity centers * Raman spectroscopy
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
Impakt faktor: 0.380, rok: 2001

Raman investigations on single crystals of K_1-xLixTa_1-yNbyO_{3 were performed to identify structural effects arising from the simultaneous presence of off-centre Li and Nd ions in the incipient ferroelectric KTaO}3. Two soft-mode transitions were evidenced at 45K and 30K in a sample with x=0.0014 and y=0.024 after both zero-field and field cooling.
Trvalý link: http://hdl.handle.net/11104/0031606