Title of article :
Synthesis and spectral characterizations of Fe3+ doped β-BaB2O4 nano crystallite powder
Author/Authors :
Venkata Reddy، نويسنده , , Ch. and Rama Krishna، نويسنده , , Ch. and Raghavendra Rao، نويسنده , , T. and Udayachandran Thampy، نويسنده , , U.S. and Reddy، نويسنده , , Y.P. and Rao، نويسنده , , P.S. and Ravikumar، نويسنده , , R.V.S.S.N.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Abstract :
Fe3+ doped β-BaB2O4 nano crystallite powder is synthesized and characterized by spectroscopic techniques. From the Powder X-ray diffraction data, Fe3+ doped β-BBO material is observed to be monoclinic. Its average crystallite size is evaluated about 75 nm. The particle-like morphology has been observed from SEM images. The EPR spectrum shows two resonance signals at g = 4.23 and g = 2.07, respectively which are indicative of Fe3+ ions in tetragonally distorted octahedral site symmetry. Crystal field parameter (Dq) and Racah parameters (B and C) are evaluated. Fe3+ doped β-BaB2O4 nano crystallite powder luminescence properties have been studied. The emission of β-BaB2O4:Fe3+ sample is exhibited two main peaks at 419 and 443 nm. FT-IR spectrum shows the characteristic vibrations of host lattice.
Keywords :
?-BaB2O4 nano crystallite powder , XRD studies , PL and EPR studies , optical absorption
Journal title :
Journal of Molecular Structure
Journal title :
Journal of Molecular Structure