Antiferromagnet-ferromagnet phase transition in lightly doped manganites

Автор(и)

  • I.O. Troyanchuk Institute of Solid State and Semiconductor Physics, NAS, 17 P. Brovka Str., Minsk 220072, Belarus
  • V.A. Khomchenko Institute of Solid State and Semiconductor Physics, NAS, 17 P. Brovka Str., Minsk 220072, Belarus
  • V.V. Eremenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., Kharkov 61103, Ukraine
  • V.A. Sirenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., Kharkov 61103, Ukraine
  • H. Szymczak Institute of Physics, PAS, 32/46 Lotnikow Str., Warsaw 02-668, Poland

Ключові слова:

PACS: 75.30.Vn, 75.30.Cr

Анотація

Magnetic and structural phase diagrams of the La0.88MnOx, La1–xSrx(Mn1–x/2Nbx/2)O3, Nd1–xCaxMnO3, and Bi1–xCaxMnO3 series constructed on the basis of x-ray, neutron powder diffraction, Young’s modulus, magnetization and resistivity measurements are presented. It is shown that the main factor controlling the antiferromagnet–ferromagnet phase transition in the manganites is a type of an orbital state. The results are discussed in the framework of structurally driven magnetic phase separation model.

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Опубліковано

2005-08-03

Як цитувати

(1)
Troyanchuk, I.; Khomchenko, V.; Eremenko, V.; Sirenko, V.; Szymczak, H. Antiferromagnet-Ferromagnet Phase Transition in Lightly Doped Manganites. Fiz. Nizk. Temp. 2005, 31, 1073-1080.

Номер

Том 31 № 8-9 (2005)

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