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Browsing Dept. of Physics by Issue Date

Browsing Dept. of Physics by Issue Date

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  • Deshpande, A.P.; Sapre, V.B.; Mande, C. (Physica Status Solidi B-Basic Research. 145(1); 1988; 77-88.)
    The EXAFS data of the K absorption discontinuity of copper in some ternary chalcogenides obtained earlier are reanalysed using the graphical method originally proposed by Lytle, Sayers, and Stern. It is shown that the ...
  • Prabhu, R.B.; Tangsali, R.B. (Physica Status Solidi B-Basic Research. 149(2); 1988; 623-632.)
    Self-consistent perturbation theory is employed for the calculation of physical quantities in mixed valence systems. A single impurity U -> infinity Anderson model is considered with and without crystalline field splitting. ...
  • Vishnoi, A.D.; Sapre, V.B.; Mande, C. (X-Ray Spectrometry. 17(6); 1988; 213-215.)
    The shape and near edge structure of the L sub(III) absorption discontinuity of tungsten in some rare earth tungstates, RE sub(2)(WO sub4))sub(3), were studied using a 40 cm Cauchois-type transmission x-ray spectrograph. ...
  • Desa, J.A.E.; Wright, A.C.; Sinclair, R.N. (Journal of Non-Crystalline Solids. 99(2to3); 1988; 276-288.)
    Neutron diffraction techniques have been employed to obtain an accurate high-resolution real space correlation function for vitreous GeO2. The GeO bond length is found to be 1.739 + and the rms bond length variation 0.048 ...
  • Prabhu, R.B.; Barbosa, A.F. (Physica Status Solidi B-Basic Research. 151(1); 1989; K45-K48.)
  • Prabhu, R.S. (Physica Status Solidi B-Basic Research. 151(2); 1989; K141-K143.)
  • Deshpande, S.D.; Moghe, N.V.; Sapre, V.B.; Mande, C. (Measurement Science and Technology. 1(11); 1990; 1250-1253.)
    The authors have studied the copper K absorption discontinuity in the metal and its oxides using a Cauchois-type bent crystal x-ray spectrograph equipped with a silicon crystal, along with a conventional x-ray source. The ...
  • Deshpande, S.D.; Mande, C. (Journal of Physics-Condensed Matter. 2(43); 1990; 8697-8702.)
    The present authors have studied the Mn K absorption discontinuity in manganese and in two aluminium alloys of compositions AI-14.3 at.percent Mn and AI-30 at.percent Mn. It is found that the K absorption discontinuity of ...
  • Vishnoi, A.D.; Sapre, V.B.; Mande, C. (Physica Status Solidi B-Basic Research. 161(2); 1990; 891-896.)
    The intensities are studied of the white lines associated with the L,, and LllI absorption discontinuities of the rare earth elements in their oxides RE sub(2)O sub(3) (RE = La, Ce, Pr, Nd, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb ...
  • Prabhu, R.B.; Barbosa, A.F. (Physica Status Solidi B-Basic Research. 161(1); 1990; 309-317.)
    An expression for the magnetoresistivity of a crystal field split Kondo system is obtained. Numerical calculations are performed for the system Ce sub(0.76) La sub(0.14) Th sub(0.1) for which all the parameters are available ...
  • Mande, C.; Deshpande, A.P. (Physica Status Solidi B-Basic Research. 158(2); 1990; 737-742.)
    The experimental data of the EXAFS associated with the K absorption discontinuity of manganese are analysed in four manganese oxides, viz. MnO, Mn3O4, Mn2O3 and MnO2 using the graphical method originally proposed by Lytle, ...
  • Pimpale, A.V.; Mande, C. (Physics Education (India). 6(4); 1990; 269-280.)
    In this article which is dedicated to the memory of Sir C. V. Raman and his scientific genius we would like to focus the attention of the scientific community on the universality of the Raman effect in all the ranges of ...
  • Prabhu, R.B.; Bhat, G.R. (Proc. Int. Conf. on Neutron Scattering. BARC, Trombay. 1991; Require pagination (from-to))
  • Deshpande, S.D.; Sarode, P.R.; Mande, C. (Philosophical Magazine Part B. 64(5); 1991; 591-597.)
    A study of the K X-ray absorption edge of manganese in a series of rapidly quenched substitutional disordered Al-Mn alloys (Al-14.71 at. percent Mn to Al-28 at. percent Mn) is reported. It is observed that the energy of ...
  • Sawant, P.M.; Bhat, G.R.; Desa, J.A.E.; Lind, A.C. (Proc. Solid State Physics Symp. (India) 34C; 1991; 47.)
  • Vishnoi, A.D.; Sapre, V.B.; Mande, C. (Journal of Physics and Chemistry of Solids. 52(8); 1991; 921-925.)
    The L absorption spectra of tungsten in the pure metal, in the oxide WO3 and some tungstates RE2(WO4)3 (where RE = La, Ce, Nd, Sm, Gd and Dy) have been studied employing a 0.4 m Cauchois type bent crystal spectrograph. The ...
  • Deshpande, S.D.; Mande, C. (Physica Status Solidi A- Applications and Materials Science. 124(1); 1991; K71-K75.)
    The modulation of X-ray absorption coefficients beyond the threshold results in fine structure which can furnish very useful information 11 to 31. In the vicinity of the principal absorption edge the fine structure calied ...
  • Deshpande, S.D.; Moghe, N.V.; Vishnoi, A.D.; Sapre, V.B.; Mande, C. (Physica Status Solidi A- Applications and Materials Science. 124(2); 1991; K133-K136.)
  • Valsangkar, A.B.; Khadge, N.H.; Desa, J.A.E. (Marine Geology. 103(1-3); 1992; 361-371.)
    Polymetallic nodules dredged at fourteen stations between 12-degrees-15-degrees-S and 76-degrees-80-degrees-E in the Central Indian Ocean Basin (CIOB) display wide variations in shape, size, texture, mineral phases and ...
  • Parab, R.J.; Desa, J.A.E.; Wattal, P.K.; Jahagirdar, R.B. (Proc. DAE Solid State Physics Symposium, B.A.R.C., Bombay, 27-31 Dec 1993. 1993; Require pagination (from-to))

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