基极中空穴的密度小于发射极和集电极中自由电子的密度。
The density of holes in the base is less than the density of free electrons in the emitter and collector .
观察到轻、重空穴对应的激子吸收峰(LH和HH)及台阶状态密度。
The exciton absorption resonaces (HH and LH) and step accumu-tive density Of state have been observed.
当最大空穴半径趋近于最小空穴半径时,活化核心密度减小,核态沸腾受到抑制。
When the maximum radius approaches to the minimum, the active nucleation sites density decreases and the nucleation boiling is restrained.
在严格考虑泡利不相容原理的前提下,我们导出了任意单粒子哈密顿量的多粒子、多空穴能态密度的精确的、一般的公式。
On the premise of considering Pauli exclusion principle strictly, we have obtained an exact general formula of multiparticle and multi-hole state densities for any single-particle Hamiltonian.
首先分析了应变硅形成机理、能带结构变化、空穴态密度有效质量,进而分析了空穴迁移率增强机理。
The formation mechanism, energy band, hole density-of-state effective mass of strained si have been analyzed first., then hole mobility enhancement mechanism is analyzed.
这一方法所考虑的模型比较接近实际情况,并能快速而方便地分别测得电子陷阱和空穴陷阱的能级密度。
The model of this method is very close to the real condition. It is convenient and quick to obtain the trap densities of electron and hole separately by this ne...
这一方法所考虑的模型比较接近实际情况,并能快速而方便地分别测得电子陷阱和空穴陷阱的能级密度。
The model of this method is very close to the real condition. It is convenient and quick to obtain the trap densities of electron and hole separately by this ne...
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