Zobrazeno 1 - 10
of 75
pro vyhledávání: '"V. P. Seth"'
Autor:
Ashish Agarwal, S. P. Dahiya, V. P. Seth, Seema Dalal, Arti Yadav, M. S. Dahiya, Satish Khasa
Publikováno v:
Materials Research Bulletin. 70:559-566
Glasses with composition x Fe 2 O 3 ·(30 − x )Li 2 O·70B 2 O 3 ( x = 0, 2, 5, 7 and 10 mol%) were prepared via melt-quenching technique and their physical, thermal and dielectric properties are discussed. XRD was carried out to confirm the amorph
Publikováno v:
Journal of Molecular Structure. 1060:182-190
Alkali molybdo-borate glasses having composition x MoO 3 ·(30 − x )M 2 O·70B 2 O 3 and x MoO 3 ·(70 − x )B 2 O 3 ·30M 2 O (M = Li, Na, K) with 0 ⩽ x ⩽ 15 (mol%) doped with 2.0 mol% of V 2 O 5 have been prepared in order to study the influ
Publikováno v:
Journal of Alloys and Compounds. 568:112-117
Electron paramagnetic resonance (EPR), optical properties and dc conductivity of xTiO2⋅(30 − x)R2O⋅70B2O3 and xTiO2⋅(70 − x)B2O3⋅30R2O (R = Li, K; 0 ⩽ x ⩽ 7, in mol%) glasses containing 2 mol% V2O5 have been studied. Spin Hamiltonian
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 74:673-677
Glasses having composition (25+x)Li(2)O.(65-x)P(2)O(5).10Bi(2)O(3) (0< or =x< or =25 mol%) were prepared by normal melt quenching technique. The optical absorption spectra of the polished samples were recorded in spectral range from 200 to 3300 nm at
Publikováno v:
Journal of Alloys and Compounds. 475:804-809
Glasses with composition x WO 3 ·(30 − x )M 2 O·70B 2 O 3 (M = Li, Na, 0 ≤ x ≤ 15 mol%) have been prepared using normal melt-quench technique. Variation of density, molar volume and theoretical optical basicity with glass composition has been
Publikováno v:
Journal of Alloys and Compounds. 377:225-231
Glasses with composition x Bi 2 O 3 ·(70− x )B 2 O 3 ·30Li 2 O containing 2 mol% V 2 O 5 have been prepared over the range 0≤ x ≤20 (in mol%). The electron paramagnetic resonance (EPR) spectra of VO 2+ ions of these glasses have been recorded
Publikováno v:
Radiation Effects and Defects in Solids. 159:369-379
The variation in physical, optical and electrical properties has been investigated as a function of Bi2O3 content in 20CaO · xBi2O3 · (80 − x)B2O3 (0 ≤ x ≤ 60, in mol%) glasses. The samples were pr...
Publikováno v:
Materials Chemistry and Physics. 85:215-221
Glasses with composition xBi2O3·(30−x)K2O·70B2O3 doped with 2 mol% of V2O5 have been prepared over the range 0≤x≤15 (in mol%). The electron paramagnetic resonance spectra of VO2+ in these glasses have been recorded in the X-band (≈9.3 GHz)
Autor:
D. R. Goyal, Ashish Agarwal, V. P. Seth, S.K. Gupta, P. S. Gahlot, Navneet Kishore, Manju Arora
Publikováno v:
Radiation Effects and Defects in Solids. 159:223-231
A new family of glasses based on Bi2O3 was found in the systems xZnO · (0.30 − x)M2O · 0.70Bi2O3 (M = Li, Na) in the range 0.00 ≤ x ≤ 0.20 containing 2.0 mol% of V2O5. Density, molar volume, optical band gap and dc conductivity of these glass
Publikováno v:
Materials Letters. 58:694-698
The mixed alkali effect (MAE) has been investigated in the glass system (30− x )Li 2 O· x K 2 O·20Bi 2 O 3 ·50B 2 O 3 (0≤ x ≤30, mol%) through optical properties. The optical absorption and reflection spectra were recorded at room temperatur