Search Results - "Chandrasekhar, A.V."

Site symmetry of Mn(II) and Co(II) in zinc phosphate glass by Ravikumar, R.V.S.S.N., Ikeda, K., Chandrasekhar, A.V., Reddy, Y.P., Rao, P.S., Yamauchi, Jun

“…Optical absorption and EPR spectra of Mn(II) and Co(II) doped zinc phosphate glasses have been investigated. Crystal filed parameters and g values are…”
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Optical and NIR luminescence spectral studies: Nd3+-doped borosilicate glasses by Deepa, M., Doddoji, Ramachari, Viswanath, C.S. Dwaraka, Chandrasekhar, A.V.

“…Nd3+-doped borosilicate glasses with molar composition 20B2O3+ (45-x) SiO2 +20K2CO3+5Na2CO3+10LiF + xNd2O3 were prepared by conventional melt-quenching…”
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Synthesis and spectroscopic characterization of Cu(II) containing chlorocadmiumphosphate Cd(HPO 4)Cl·[H 3N(CH 2) 6NH 3] 0.5 crystals by Rama Krishna, Ch, Venkata Reddy, Ch, Udayachandran Thampy, U.S., Chandrasekhar, A.V., Reddy, Y.P., Sambasiva Rao, P., Ravikumar, R.V.S.S.N.

“…This figure illustrates the FT-IR spectrum of copper ions doped chlorocadmiumphosphate crystals. The spectrum shows the characteristic vibrational bands of…”
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Spectroscopic studies of transition metal doped sodium phosphate glasses by Ravikumar, R.V.S.S.N, Chandrasekhar, A.V, Ramamoorthy, L, Reddy, B.J, Reddy, Y.P, Yamauchi, Jun, Rao, P.S

“…Optical absorption and EPR spectra of Co 2+ and Ni 2+ doped sodium phosphate glasses have been investigated. Crystal field parameters and g values are…”
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Synthesis and spectroscopic characterization of Mn(II) doped organic amine templated chlorocadmiumphosphate CdHPO 4 Cl · [H 3 N(CH 2 ) 6 NH 3 ] 0.5 crystals by Krishna, CH. Rama, Thampy, U.S. Udayachandran, Sathish, D.V., Reddy, CH. Venkata, Chandrasekhar, A.V., Reddy, Y.P., RAO, P.S., Ravikumar, R.V.S.S.N.

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Identification of chromium and nickel sites in zinc phosphate glasses by Ravikumar, R.V.S.S.N., Yamauchi, J., Chandrasekhar, A.V., Reddy, Y.P., Rao, P. Sambasiva

“…Optical and EPR investigations of chromium and nickel doped zinc phosphate glasses are carried out at room temperature to evaluate crystal field,…”
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Investigations on vanadyl doped ARbB 4O 7 (A = Li, Na, K) glasses by EPR and optical studies by Ravikumar, R.V.S.S.N., Chandrasekhar, A.V., Reddy, Y.P., Komatsu, R., Ikeda, K., Yamauchi, J., Sambasiva Rao, P.

“…EPR and optical absorption investigations are carried out at room temperature on vanadyl doped ARbB 4O 7 (A = Li, Na, K) glasses. These results indicate that…”
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Tetragonal site of transition metal ions doped sodium phosphate glasses by Ravikumar, R.V.S.S.N., Rajagopal Reddy, V., Chandrasekhar, A.V., Reddy, B.J., Reddy, Y.P., Rao, P.S.

“…Vanadium and copper doped sodium phosphate glasses are prepared. EPR and optical absorption investigations are carried out. The results and analysis of the…”
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Investigations on vanadyl doped ARbB4O7 (A=Li, Na, K) glasses by EPR and optical studies by Ravikumar, R.V.S.S.N., Chandrasekhar, A.V., Reddy, Y.P., Komatsu, R., Ikeda, K., Yamauchi, J., Sambasiva Rao, P.

“…EPR and optical absorption investigations are carried out at room temperature on vanadyl doped ARbB4O7 (A=Li, Na, K) glasses. These results indicate that the…”
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EPR and optical studies on transition metal doped LiRbB4O7 glasses by RAVIKUMAR, R. V. S. S. N, KOMATSU, R, IKEDA, K, CHANDRASEKHAR, A. V, REDDY, B. J, REDDY, Y. P, RAO, P. S

“…EPR and optical investigations of Cu and Cr doped LiRbB4O7 glasses are carried out. From the results and discussions, it is predicted that both the transition…”
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Synthesis and spectroscopic characterization of Mn(II) doped organic amine templated chlorocadmiumphosphate CdHPO4Cl · [H3N(CH2)6NH3]0.5 crystals by Krishna, CH. Rama, Thampy, U.S. Udayachandran, Sathish, D.V., Reddy, CH. Venkata, Chandrasekhar, A.V., Reddy, Y.P., RAO, P.S., Ravikumar, R.V.S.S.N.

“…Chlorocadmiumphosphate CdHPO 4 Cl · [H 3 N(CH 2 ) 6 NH 3 ] 0.5 crystals doped with Mn(II) are grown at room temperature via organic amine template method and…”
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Electron paramagnetic resonance and optical absorption spectra of Cr3+ ions in cadmium phosphate glass by RAVIKUMAR, R. V. S. S. N, KOMATSU, Ryuichi, IKEDA, Ko, CHANDRASEKHAR, A. V, REDDY, B. J, REDDY, Y. P, RAO, P. S

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Optical absorption spectrum of dysprosium doped zinc phosphate glass by Chandrasekhar, A.V., Radhapathy, A., Reddy, B.J., Reddy, Y.P., Ramamoorthy, L., Ravikumar, R.V.S.S.N.

“…Optical properties of Dy 3+ doped zinc phosphate glasses have been investigated. In the present study glasses with the composition xZnO · (1− x)P 2O 5 (0.5⩽…”
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Electron paramagnetic resonance and optical absorption spectra of Cr 3+ ions in cadmium phosphate glass by Ravikumar, R.V.S.S.N., Komatsu, Ryuichi, Ikeda, Ko, Chandrasekhar, A.V., Reddy, B.J., Reddy, Y.P., Rao, P.S.

“…EPR and optical absorption investigations of chromium doped cadmium phosphate glass are carried out. Crystal field, spin-Hamiltonian and bonding parameters are…”
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Spectroscopic studies of copper-doped ARbB4O7 (A = Na, K) glasses by RAVIKUMAR, R. V. S. S. N, KOMATSU, R, IKEDA, K, CHANDRASEKHAR, A. V, RAMAMOORTHY, L, REDDY, B. J, REDDY, Y. P, RAO, P. S

“…EPR and optical absorption investigations are carried out at room temperature on copper-doped ARbB4O7 (A = Na, K) glasses. The results indicate that the copper…”
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EPR and optical studies on transition metal doped LiRbB 4O 7 glasses by Ravikumar, R.V.S.S.N, Komatsu, R, Ikeda, K, Chandrasekhar, A.V, Reddy, B.J, Reddy, Y.P, Rao, P.S

“…Electron paramagnetic resonance and optical investigations of copper and chromium doped LiRbB 4O 7 glasses are carried out. From the results and discussions,…”
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Spectroscopic studies of copper-doped ARbB 4O 7 (A=Na, K) glasses by Ravikumar, R.V.S.S.N., Komatsu, R., Ikeda, K., Chandrasekhar, A.V., Ramamoorthy, L., Reddy, B.J., Reddy, Y.P., Rao, P.S.

“…EPR and optical absorption investigations are carried out at room temperature on copper-doped ARbB 4O 7 (A=Na, K) glasses. The results indicate that the copper…”
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Optical and EPR studies of iron bearing phosphate minerals: satterlyite and gormanite from Yukon Territory, Canada by Chandrasekhar, A V, Ramanaiah, M Venkata, Reddy, B J, Reddy, Y P, Rao, P S, Ravikumar, R V S S N

“…The iron phosphate minerals satterlyite and gormanite have been investigated by EPR and optical absorption studies. The optical results indicate the presence…”
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Single crystal EPR and optical studies of paramagnetic ions doped zinc potassium phosphate hexahydrate—Part I: Cu(II)—a case of orthorhombic symmetry by Sambasiva Rao, P, Rajendiran, T.M, Venkatesan, R, Madhu, N, Chandrasekhar, A.V, Reddy, B.J, Reddy, Y.P, Ravikumar, R.V.S.S.N

“…Single crystal electron paramagnetic resonance (EPR) studies on Cu(II) doped zinc potassium phosphate hexahydrate (ZPPH) were carried out at room temperature…”
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Single crystal EPR and optical studies of paramagnetic ions doped zinc potassium phosphate hexahydrate—Part II: VO(II)—a case of substitutional site by Ravikumar, R.V.S.S.N., Madhu, N., Chandrasekhar, A.V., Reddy, B.J., Reddy, Y.P., Rao, P.Sambasiva, Rajendiran, T.M., Venkatesan, R.

“…Single crystal electron paramagnetic resonance (EPR) studies were carried at room temperature for VO(II) doped zinc potassium phosphate hexahydrate. The…”
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