On the pyrochlore type Ln2V2O7 (Ln: Rare-earth elements)期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

On the pyrochlore type Ln₂V₂O₇ (Ln: Rare-earth elements)

Authors:	T Shin-ike G Adachi J Shiokawa

Affiliation:	Department of Chemistry, Osaka Dental University Makino-honmachi, Hirakata-Shi, Osaka-Fu, Japan;Department of Applied Chemistry, Faculty of Engineering Osaka University, Yamadakami, Suita-Shi, Osaka-Fu, Japan

Abstract:	Pyrochlore type rare-earth vanadites (Ln₂V₂O₇) were prepared and some physical properties were investigated. Ln₂V₂O₇ (Ln:Tm, Yb or Lu) crystallized in the cubic space group $O_{h} = Fd_{3} m, a_{0} = 9.9575 A ?, 9.9346 A ? and 9.9231 A ?$ for Tm₂V₂O₇, Yb₂V₂O₇ and Lu₂V₂O₇, respectively. These compounds were all n-type semiconductors and paramagnets in the temperature range 90–300K.

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