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Influence of structural properties and of growth conditions on exciton properties in ZnCdSe/ZnSe quantum well structures
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Univ Bremen, Inst Solid State Phys, D-28334 Bremen, Germany Linkoping Univ, Dept Phys & Meas Technol, S-58183 Linkoping, Sweden.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Univ Bremen, Inst Solid State Phys, D-28334 Bremen, Germany Linkoping Univ, Dept Phys & Meas Technol, S-58183 Linkoping, Sweden.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Univ Bremen, Inst Solid State Phys, D-28334 Bremen, Germany Linkoping Univ, Dept Phys & Meas Technol, S-58183 Linkoping, Sweden.
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland Univ Bremen, Inst Solid State Phys, D-28334 Bremen, Germany Linkoping Univ, Dept Phys & Meas Technol, S-58183 Linkoping, Sweden.
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2002 (English)In: Materials Science Forum, Vols. 389-393, 2002, Vol. 384-3, 63-66 p.Conference paper, Published paper (Refereed)
Abstract [en]

Structural and optical properties of relaxed and pseudomorphic ZnCdSe/ZnSe quantum well heterostructures are described. Structural quality and strain conditions of the films are linked with their light emission properties. From the temperature dependence of photoluminescence (PL) spectra we estimate exciton coupling constants to acoustic phonons in pseudomorphic and relaxed structures. The coupling is noticeably weaker in strain-relaxed structures with strong localization effects. PL kinetic studies confirm strong localization of excitons in strain-relaxed structures.

Place, publisher, year, edition, pages
2002. Vol. 384-3, 63-66 p.
Keyword [en]
ZnCdSe/ZnSe, quantum well structures, excitons, localization, photoluminescence
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-48930OAI: oai:DiVA.org:liu-48930DiVA: diva2:269826
Conference
ICSCRM2001
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2010-12-08

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Bergman, PederMonemar, Bo

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