Biaxial splitting of optical phonon modes in ZnSe-ZnS strained-layer superlattices | Zendy

Aishi Yamamoto | Zendy; Yoichi Yamada | Zendy; Yasuaki Masumoto | Zendy

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Biaxial splitting of optical phonon modes in ZnSe-ZnS strained-layer superlattices

Author(s) -

Aishi Yamamoto,

Yoichi Yamada,

Yasuaki Masumoto

Publication year - 1991

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.104984

Subject(s) - superlattice , phonon , materials science , perpendicular , layer (electronics) , raman scattering , raman spectroscopy , condensed matter physics , stress (linguistics) , anisotropy , scattering , optics , optoelectronics , nanotechnology , physics , linguistics , philosophy , geometry , mathematics

Raman scattering studies were performed on ZnSe-ZnS strained-layer superlattices with the incident light parallel as well as perpendicular to the interface plane. We found for the first time that the optical phonon modes split into two types, that is a singlet and a doublet, by the built-in biaxial stress. A new method to characterize the directional stress is demonstrated

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