Preparation and Characterization of cu(Al, ga)(s, se)2 Penternary Alloys

Akihiro Ogawa, Ryo Sudo, Akhlesh Gupta, Sho Shirakata, Shigefusa Chichibu, Satoru Matsumoto, Shigehiro Isomura

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Photoreflectance (PR) and Photoluminescence (PL) measurements have been performed at 77 K on single crystals of CuAlxGa1_JC(So.5Se0.5)2 penternary alloys grown by the iodine chemical vapor transport method. The energies of excitonsassociated with uppermost valence bands have been obtained as a function of composition, and an approximately quadratic dependence has been found. Near-band-edge PL has been observed in the crystal with x^ 0.77, and the PL has beendiscussed in terms of the free exciton.

本文言語English
ページ(範囲)588-589
ページ数2
ジャーナルJapanese journal of applied physics
32
S3
DOI
出版ステータスPublished - 1993 1月

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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