PRESSURE STUDIES OF TUNNELING PROCESSES IN A DOUBLE-BARRIER STRUCTURE WITH A 2-DIMENSIONAL EMITTER CONTACT

被引:4
作者
DINIZ, R [1 ]
SUSKI, T [1 ]
BERTHOLD, K [1 ]
SMOLINER, J [1 ]
GORNIK, E [1 ]
RIECHERT, H [1 ]
机构
[1] SIEMENS AG,RES LABS,W-8000 MUNICH 83,GERMANY
关键词
D O I
10.1088/0268-1242/7/2/016
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Resonant tunnelling experiments under hydrostatic pressures up to 15 kbar in a double-barrier structure with a two-dimensional emitter pre-well are reported. At room temperature the structure shows two transitions in its tunnelling characteristics as a function of pressure. We associate these transitions with the enhancement of the GAMMA-X tunnelling in the collector and emitter barriers. At lower temperatures these features are less pronounced. In addition we estimate the pressure coefficient for the decrease in the energy of the X minimum in relation to the GAMMA minimum in Al0.6Ga0.4As.
引用
收藏
页码:271 / 274
页数:4
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