title: ESR and optical study of Mn2+ doped ammonium selenate single crystals.
abstract: ESR and optical absorption studies of manganese doped ammonium selenate single crystals are performed at X-band and room temperature to ascertain the site symmetry and location of impurity ions in the lattice. Manganese ions are expected to enter the lattice interstitially. Various spin Hamiltonian parameters are determined. Optical absorption study is also done and associated distortion in the crystal lattice is estimated.
authors.affiliation: Physics Department, University of Allahabad, Allahabad 211002, India. ram_kripal2001@rediffmail.com
authors.forename: Ram
authors.initials: R
authors.lastname: Kripal
authors.forename: Ashutosh Kumar
authors.initials: AK
authors.lastname: Shukla
mesh_terms: D002413:Cations, Divalent / Q000737:chemistry; D003461:Crystallography; D004578:Electron Spin Resonance Spectroscopy; D008345:Manganese / Q000737:chemistry*; D064586:Selenic Acid; D018036:Selenium Compounds / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet / Q000379:methods
chemical_list: D002413:Cations, Divalent; D018036:Selenium Compounds; D008345:Manganese; D064586:Selenic Acid