Neutron diffraction experiments on CsCrI3 at 300, 77, and 1.2°K: H. W. Zandbergen and D. J. W. Ijdo. Gorlaeus Laboratories,University of Leiden,P.O. Box 9502, 2300 RA Leiden,The Netherlands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

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Neutron diffraction experiments on CsCrI3 at 300, 77, and 1.2°K: H. W. Zandbergen and D. J. W. Ijdo. Gorlaeus Laboratories,University of Leiden,P.O. Box 9502, 2300 RA Leiden,The Netherlands

Authors:	John Koenitzer Bijan Khazai Jacob Hormadaly Robert Kershaw Kirby Dwight Aaron Wold

Institution:	Department of Chemistry, Brown University, Providence, Rhode Island 02912 USA

Abstract:	The orthorhombic α-PbO₂ phase of FeNbO₄ was prepared and its photoelectronic properties measured: Sintered disks were shown to be n type and gave a resistivity of 40 Ω-cm. Measurements of the photoresponse gave a flat-band potential between 0.1 and 0.4 V vs SCE at a pH of 8.5 and an optical band gap of 2.08(2) eV. Several higher-energy band gaps at 2.68(2), 2.94(2), 3.24(2), and 4.38(2) eV were also determined. There appears to be an enhancement of the quantum efficiency due to the presence of FeO₆] active centers while retaining the fundamental characteristics of the NbO₆] octahedra.

Keywords:	To whom all correspondence should be addressed
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