Effects of hydrogen on the optical properties of ZnCdO/ZnO quantum wells grown by molecular beam epitaxy
2008 (English)In: Applied Physics Letters, ISSN 0003-6951, Vol. 92, 261912- p.Article in journal (Refereed) Published
Temperature-dependent cw- and time-resolved photoluminescence (PL), as well as optically detected magnetic resonance (ODMR) measurements are employed to evaluate effects of deuterium (2H) doping on optical properties of ZnCdO/ZnO quantum well structures grown by molecular beam epitaxy. It is shown that incorporation of 2H from a remote plasma causes a substantial improvement in radiative efficiency of the investigated structures. Based on transient PL measurements, the observed improvements are attributed to efficient passivation by hydrogen of competing nonradiative recombination centers via defects. This conclusion is confirmed from the ODMR studies.
Place, publisher, year, edition, pages
2008. Vol. 92, 261912- p.
ZnO, PL, ODMR
IdentifiersURN: urn:nbn:se:liu:diva-43927DOI: 10.1063/1.2953178Local ID: 75145OAI: oai:DiVA.org:liu-43927DiVA: diva2:264788