Multi-phonon assisted upconversion emission and …

Multi-phonon assisted upconversion emission and powerdependence studies in LaF3:Er3+ Singha, K. Kumarb,c, , Pandeyc, Raid, D. KumaraaDepartment of Ceramic Engineering, IIT-BHU, Varanasi 221 005, IndiabDepartment of Applied Physics, ISM, Dhanbad 826 004, IndiacNanotechnology Application Centre, Allahabad University, Allahabad 211 002, IndiadLaser & Spectroscopy Laboratory, Physics Department, BHU, Varanasi 221 005, Indiahighlights"Observation of UV bands in LaF3:Er3+phosphor on 532-nm excitation."Multiphonon assisted energymigration from2H11/2(4S3/2) level tothe upper4F3/2,4F5/2and4F7/2levels."Reversal in intensity of 411 and488 nm emission bands withexcitation power or the sampletemperature."Continuum emission at increasedexcitation powers due to the largemultiphonon abstractExcitation power dependence of upconversion emission intensity of Er3+ions in LaF3phosphor is per-formed.

Multi-phonon assisted upconversion emission and power dependence studies in LaF 3:Er 3+ phosphor A.K. Singha, K. Kumarb,c,⇑, A.C. …

Tags:

  Multi, Power, Assisted, Emissions, Dependence, Phonon, Multi phonon assisted upconversion emission, Upconversion, Multi phonon assisted upconversion emission and power dependence

Information