Structural investigation of non-stoichiometric CuInS<Subscript>2</Subscript> by <Superscript>63</Superscript>Cu and <Superscript>115</Superscript>In nuclear magnetic resonance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

Structural investigation of non-stoichiometric CuInS2 by 63Cu and 115In nuclear magnetic resonance

Authors:	E. V. Schmidt V. L. Ermakov O. I. Gnezdilov V. L. Matukhin B. V. Korzun A. A. Fadeeva I. Kh. Khabibullina

Affiliation:	1.Kazan State Power University,Kazan,Russia;2.Kazan Physical-Technical Institute,Kazan,Russia;3.Scientific-Practical Material Research Centre,National Academy of Sciences of Belarus,Minsk,Belarus

Abstract:	Results of studies of non-stoichiometric CuInS₂ semiconductor by ⁶³Cu and ¹¹⁵In nuclear magnetic resonance are presented. It was established that deviation of the composition from stoichiometry causes a quadrupolebroadened region of the NMR spectrum to change most. In this case a central peak whose shape is governed by the chemical shift anisotropy remains unaffected. NMR spectra reveal two types of structural distortions in the nearest surroundings of the In atoms.

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