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Charge localization and successive magnetic phase transitions of mixed-valence manganese oxides

✍ Scribed by Sato, Hirohiko; Enoki, Toshiaki; Yamaura, Jun-Ichi; Yamamoto, Naoichi

Book ID
120661949
Publisher
The American Physical Society
Year
1999
Tongue
English
Weight
281 KB
Volume
59
Category
Article
ISSN
1098-0121

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llvaite, Ca (Fe 2 +,Fe 3 +)Fez + Si208(OH) shows two magnetic phase transitions, which have been studied by M6ssbauer spectroscopy within the temperature range 120-4 K. The continued charge localization between Fe 2+ and Fe 3 + ions in octahedral A-sites causes the Fe 2 + -Fe 3 + interaction to be f