Energy and Momentum Loss Rates of Hot Electrons in a Supported Bilayer Graphene

被引：0
|
作者：
Bhargavi, K. S. [1 ]
Kubakaddi, S. S. [1 ]
机构：
[1] Karnatak Univ, Dept Phys, Dharwad 580003, Karnataka, India
来源：
SOLID STATE PHYSICS, VOL 57 | 2013年 / 1512卷
关键词：
Energy and momentum loss rate; Bilayer graphene; electron -phonon interaction;
D O I：
10.1063/1.4791360
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Hot electron energy (ELR) and momentum (MLR) loss rates due to acoustic phonons (APs) and surface polar phonons (SPPs) scattering are studied as a function of electron temperature T-e in a bilayer graphene. Hot phonon effect is taken in to account for SPP. Hot phonon effect is found to reduce both ELR and MLR significantly. For Te less than about 150 (180) K the AP scattering dominates ELR(MLR). At very low T-e, for APs, ELR similar to T-e(4) and MLR similar to T-e(2.5).
引用
收藏
页码：960 / 961
页数：2
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