Photoluminescence study of the one-dimensional material ZrS3 and its solid solution Zr1-xHfxS3

被引：12

作者：

AitOuali, A ^{[1
]}

Jandl, S ^{[1
]}

机构：

[1] UNIV SHERBROOKE, CTR RECH PHYS SOLIDE, SHERBROOKE, PQ J1K 2R1, CANADA

来源：

PHYSICAL REVIEW B | 1996年 / 53卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.53.9852

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The study of photoluminescence band-tail-localized excitons in ZrS3 and in its solid solution Zr1-xHfxS3 confirms the existence of two polytypes for these one-dimensional materials. Fitting of the spectra, with a model proposed by Ouadjaout and Marfaing, associates a density of states proportional to exp[-(epsilon/epsilon(0))(3/2)] and implies both defect and compositional fluctuations. Gap energy, parallel and perpendicular to the chain direction, has been calculated in Zr1-xHfxS3, and its variation with composition x is found to follow a quadratic law.

引用

页码：9852 / 9858

页数：7

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