Ferroelectric phase transition in lead germanate Pb₅Ge₃O₁₁ studied by ESR of Gd³⁺ probe

• Published in: Condensed Matter Physics
• Date: 1999
• Main Authors: Trubitsyn, M.P., Volnianskii, M.D., Ermakov, A.S., Linnik, V.G.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 1999
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/121015
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Ferroelectric phase transition in lead germanate Pb₅Ge₃O₁₁ studied by ESR of Gd³⁺ probe / M.P. Trubitsyn, M.D. Volnianskii, A.S. Ermakov, V.G. Linnik // Condensed Matter Physics. — 1999. — Т. 2, № 4(20). — С. 677-684. — Бібліогр.: 19 назв. — англ.

ESR spectra of Gd³⁺ probe have been studied in the range of ferroelectric phase transition TC=451 K in lead germanate Pb₅Ge₃O₁₁. Measurements of ESR line position have shown that local order parameter behaves
 in accordance with the mean field theory approach in a broad (∼150 K)
 temp...