PHOTOVOLTAGE IN SINGLE CRYSTALS OF ALPHA-MOTE2

被引：3

作者：

KEKELIDZE, GP

EVANS, BL

机构：

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1969年 / 2卷 / 06期

关键词：

D O I：

10.1088/0022-3727/2/6/310

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Single crystals of α-MoTe2 having graphite electrodes applied to a cleavage face show a photovoltage when irradiated with light which is absorbed by the α-MoTe2 crystal. The spectral distribution of photovoltage (at 290 and 77°K) shows maxima near the α-MoTe 2 absorption bands and the properties of the photovoltage, in crystals 150 and 1 μm thick, suggest that it arises from the thermal dissociation of excitons. The dark electrical conductivity in crystals 150 and 1 μm thick has been measured over the temperature range 77-290°K and activation energies of conduction obtained.

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页码：855 / +

页数：1

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