METASTABLE EFFECTS IN THE DC CONDUCTIVITY OF HYDROGENATED AMORPHOUS-GERMANIUM

被引：6

作者：

MEAUDRE, M ^{[1
]}

MEAUDRE, R ^{[1
]}

GODET, C ^{[1
]}

机构：

[1] ECOLE POLYTECH,PHYS INTERFACES & COUCHES MINCES LAB,CNRS,UPR 258,F-91128 PALAISEAU,FRANCE

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1991年 / 3卷 / 07期

关键词：

D O I：

10.1088/0953-8984/3/7/013

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report on the effect of thermal equilibration on the dark conductivity of undoped optimized a-Ge: H with an optical gap of 1.03 eV. The freeze-in temperature T(E) is about 160-degrees-C. The isothermal relaxation of the conductivity follows a stretched exponential function. The inverse equilibration time tau-1 is thermally activated with an energy E-tau of 1.4-1.5 eV. It is then shown that, as compared with the values for a-Si: H, T(E), tau and E-tau are only slightly different. The results are fully consistent with the model of dispersive diffusion of hydrogen.

引用

页码：883 / 888

页数：6

共 19 条

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