Anomalous temperature dependence of photoluminescence from a-C:H film deposited by energetic hydrocarbon ion beam

被引：10

作者：

Liao, MY ^{[1
]}

Feng, ZH ^{[1
]}

Yang, SY ^{[1
]}

Chai, CL ^{[1
]}

Liu, ZK ^{[1
]}

Yang, JL ^{[1
]}

Wang, ZG ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, Lab Semicond Mat Sci, Beijing 100083, Peoples R China

来源：

SOLID STATE COMMUNICATIONS | 2002年 / 121卷 / 05期

关键词：

luminescence; semiconductors; ion-beam deposition;

D O I：

10.1016/S0038-1098(01)00489-6

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The temperature dependence of photoluminescence (PL) from a-C:H film deposited by CH3+ ion beam has been performed and an anomalous behavior has been reported. A transition temperature at which the PL intensity, peak position and full width at the half maximum change sharply was observed. It is proposed that different structure units. at least three, are responsible for such behavior. Above the transition point. increasing temperature will lead to the dominance of non-radiative recombination process, which quenches the PL overall and preferentially the red part, Possible emission mechanisms have been discussed. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：287 / 290

页数：4

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