Acoustic phonon mode splitting behavior of an asymmetric y-branch three terminal

2019-08-02 21:23:06

structure branch transport acoustic phonon

责任者: Li, Wen-Xia;Chen, Ke-Qiu;Duan, Wenhui;Wu, Jian;Gu, Bing-Lin 单位: Department of Physics, Tsinghua University, Beijing 100084, China 来源出处: Applied Physics Letters,2004,85(5):822-824 摘要: The scattering matrix method was used for analyzing the acoustic phonon transport through an asymmetric y-branch semiconductor quantum structure. The three-terminal junction was implemented in phonon heat transport field as ultrasonic device of acoustic mode splitter. It was found that the thermal transport behavior sensitively depends on the geometric configuration of the structure. The results suggest that such a y-branch structure with specific structural parameters can be used as a splitter of phonon modes. 关键词: Phonons;Semiconductor junctions;Nanostructured materials;Acoustic wave scattering;Thermal conductivity;Electron transport properties;Acoustic waves;Electronic equipment;Energy dissipation;Resonance;Oscillations;Elastic waves;Frequencies;Stress analysis;Boundary conditions;Acoustic phonons;Terminal junctions;Electronic conductance;Energy transmission