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Exchange interaction of isolated Eu2+ ions in La at high temperatures

โœ Scribed by H.J. Barth; K. Nishiyama; D. Riegel


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
362 KB
Volume
77
Category
Article
ISSN
0375-9601

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This paper reports a new observation of the abnormal reduction of Eu 3ุ‰ PEu 2ุ‰ in Sr 2 B 5 O 9 Cl when prepared in air at high temperature. A model based on the nature of substitution defects is proposed to explain this abnormal reduction. Electrons, which reduced the Eu 3ุ‰ ions, are created by the