PHOTOLUMINESCENCE AND P-TYPE CONDUCTIVITY IN CDTE-N GROWN BY MOLECULAR-BEAM EPITAXY

被引:40
作者
DHESE, KA [1 ]
DEVINE, P [1 ]
ASHENFORD, DE [1 ]
NICHOLLS, JE [1 ]
SCOTT, CG [1 ]
SANDS, D [1 ]
LUNN, B [1 ]
机构
[1] UNIV HULL,DEPT ENGN DESIGN & MANUFACTURE,KINGSTON HULL HU6 7RX,N HUMBERSIDE,ENGLAND
关键词
D O I
10.1063/1.357197
中图分类号
O59 [应用物理学];
学科分类号
摘要
An rf nitrogen (N) plasma source has been used to achieve p-type conductivity in molecular beam epitaxy CdTe layers grown with a Cd overpressure. Photoluminescence and secondary ion mass spectrometry measurements have confirmed the incorporation of the N species, and evidence for the resulting p-type conductivity has been obtained using capacitance-voltage and current-voltage techniques. Net hole concentrations as high as 2X10(17) cm(-3) have so far been achieved, which contrasts with the normally n-type nature of our undoped CdTe layers.
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收藏
页码:5423 / 5428
页数:6
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