Time-resolved differential transmission in MOVPE-grown ferromagnetic InMnAs

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dc.contributorVirginia Techen
dc.contributor.authorBhowmick, M.en
dc.contributor.authorMerritt, T. R.en
dc.contributor.authorKhodaparast, Giti A.en
dc.contributor.authorWessels, B. W.en
dc.contributor.authorMcGill, S. A.en
dc.contributor.authorSaha, D.en
dc.contributor.authorPan, X.en
dc.contributor.authorSanders, G. D.en
dc.contributor.authorStanton, C. J.en
dc.contributor.departmentPhysicsen
dc.date.accessed2013-12-18en
dc.date.accessioned2014-02-11T13:46:04Zen
dc.date.available2014-02-11T13:46:04Zen
dc.date.issued2012-03-27en
dc.description.abstractWe measured time-resolved differential transmission in InMnAs for different pump/probe schemes as a function of temperature, laser fluence, and external magnetic field. We observed tunability of the carrier relaxation time. In addition, we found that the sign of the differential transmission changed as a function of probe wavelength. The electronic structure for InMnAs was calculated for B = 0, using an eight-band k.p model, which includes conduction and valence band mixing as well as coupling of electrons and holes to the magnetic Mn impurities. This allows us to explain some of the carrier dynamics and the sign changes in the differential transmission.en
dc.description.sponsorshipNational Science Foundation_DMR-0846834, DMR-0800479, DMR-0706313, DMR-1105437, DMR-0654118en
dc.description.sponsorshipNational High Magnetic Field Laboratory through a UCGPen
dc.description.sponsorshipState of Floridaen
dc.description.sponsorshipUS Department of Energyen
dc.description.sponsorshipDOE DE-FG02-02ER45984en
dc.identifier.citationBhowmick, M. ; Merritt, T. R. ; Khodaparast, G. A. ; et al., Mar 27, 2012. "Time-resolved differential transmission in MOVPE-grown ferromagnetic InMnAs," PHYSICAL REVIEW B 85(12): 125313. DOI: 10.1103/PhysRevB.85.125313en
dc.identifier.doihttps://doi.org/10.1103/PhysRevB.85.125313en
dc.identifier.issn1098-0121en
dc.identifier.urihttp://hdl.handle.net/10919/25425en
dc.identifier.urlhttp://link.aps.org/doi/10.1103/PhysRevB.85.125313en
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.rightsIn Copyrighten
dc.rights.holderAmerican Physical Societyen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectnonlinear absorptionen
dc.subjectthin-filmsen
dc.subjectcyclotron-resonanceen
dc.subjectsemiconductorsen
dc.subjectTemperatureen
dc.subjectspectroscopyen
dc.subject(in,mn)asen
dc.subjectdynamicsen
dc.subjectgaasen
dc.subjectpumpen
dc.subjectPhysicsen
dc.titleTime-resolved differential transmission in MOVPE-grown ferromagnetic InMnAsen
dc.title.serialPhysical Review Ben
dc.typeArticle - Refereeden

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