Raman spectroscopy studies of phonons in a nanowire subjected to a magnetic field

被引：0
|
作者：
Hossain, Md. I. [1 ]
Atulasimha, J. [2 ]
Bandyopadhyay, S. [1 ]
机构：
[1] Virginia Commonwealth Univ, Dept Elect & Comp Engn, Med Coll Virginia Campus, Richmond, VA 23284 USA
[2] Virginia Commonwealth Univ, Dept Mech & Nucl Engn, Richmond, VA 23284 USA
来源：
2015 IEEE NANOTECHNOLOGY MATERIALS AND DEVICES CONFERENCE (NMDC) | 2015年
关键词：
Nanowires; phonon engineering; Raman spectroscopy; QUANTUM WIRES; ELECTRON; SCATTERING; RELAXATION; FREQUENCY; TRANSPORT; METALS;
D O I：
暂无
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：
Free-standing InSb nanowires of 60 - 90 nm diameter have been electrochemically self-assembled and we have measured their room temperature Raman spectra in a weak magnetic field of similar to 0.2 Tesla. Both the longitudinal (LO) and the transverse (TO) optical phonon peaks are suppressed in a magnetic field. The TO phonon peak experiences a slight red-shift and the LO phonon peak experiences a slight blue shift. These results are important for phonon engineering in nanowires and have a bearing on electronic and photonic devices implemented with nanowires.
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