title: Electron paramagnetic resonance study on manganese doped tetrathioureacopper(I) chloride single crystal.
abstract: Electron paramagnetic resonance (EPR) spectrum of a NLO material, manganese doped tetrathioureacopper(I) chloride single crystal was investigated at room temperature. The spectra reveal that manganese exists in tetravalent state in the host lattice in interstitial position and the crystal becomes NLO material whereas the pure crystal does not show NLO property. The spin Hamiltonian parameters are evaluated as g=1.9872 and A=157G. The transmission spectrum and the second harmonic generation efficiency confirm that the manganese doped single crystal exhibit NLO property.
authors.affiliation: Department of Physics, Gandhigram Rural University, Gandhigram 624302, India. sravi_phygri@yahoo.com
authors.forename: S
authors.initials: S
authors.lastname: Ravi
authors.forename: P
authors.initials: P
authors.lastname: Subramanian
mesh_terms: D003300:Copper / Q000737:chemistry*; D003460:Crystallization; D004578:Electron Spin Resonance Spectroscopy; D007834:Lasers; D008345:Manganese / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature; D013890:Thiourea / Q000737:chemistry*
chemical_list: D008345:Manganese; D003300:Copper; D013890:Thiourea