Monte Carlo transport simulation of velocity undershoot in zinc blende and wurtzite InN
Monte Carlo transport simulation of velocity undershoot in zinc blende and wurtzite InN
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闪锌矿和纤锌矿 InN 中速度下冲的蒙特卡罗输运模拟
DOI:
10.1002/pssb.201248080
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发表时间:
2012-09
期刊:
影响因子:
--
通讯作者:
Zhuo, Qingqing
中科院分区:
文献类型:
--
作者:
Wang, Shulong;Liu, Hongxia;Gao, Bo;Zhuo, Qingqing
Velocity undershoot in zinc blende (ZB) and wurtzite (WZ) InN is investigated by ensemble Monte Carlo (EMC) calculation. The results show that velocity undershoot arises from the relatively long energy relaxation time compared with momentum. Monte Carlo transport simulations over wide range of electric fields is presented in the paper. The results show that velocity undershoot impacts the electron transport greatly, compared with velocity overshoot, when the electric field changes quickly with time and space. A comparison study between WZ and ZB InN shows that WZ InN has more advantages in device applications due to its excellent electron transport properties.
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