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Browsing Physical & Applied Sciences by Author "Mande, C."

Browsing Physical & Applied Sciences by Author "Mande, C."

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  • Determination of bond lengths in some aluminum-manganese alloys 
    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 ...
  • The electronegativity of hydrogen 
    Mande, C.; Sarode, P.R.; Deshpande, S.D. (Journal of the Indian Chemical Society. 70(11-12); 1993; 919-928.)
    Following an earlier method given by Mande Et al. for evaluating the electronegativity values spectroscopically, we have in the present work determined the electronegativity of hydrogen by extrapolation of the electronegativity ...
  • On the use of a silicon crystal in a cauchois-type bent crystal x-ray spectrograph 
    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 ...
  • Study of fermi level shifts in al-mn alloys by x-ray absorption-spectroscopy 
    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 ...
  • A study of manganese oxides by EXAFS spectroscopy 
    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, ...
  • Study of the electronic-structure of Yba2Cu3O7 by x-ray absorption-spectroscopy 
    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.)
  • Study of the environment of copper in some ternary chalcogenide by EXAFS spectroscopy 
    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 ...
  • Study of the fermi level in disorder aluminium-manganese alloys by X-ray absorption spectroscopy 
    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 ...
  • A study of the white lines associated with the rare-earth lii and liii absorption discontinuities in some oxides and tungstates 
    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 ...
  • Tungsten L-absorption spectra in some rare-earth tungstates 
    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 ...
  • The universality of the Raman Effect 
    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 ...
  • XANES study of tungsten LIII discontinuity in some rare earth tungstates 
    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. ...

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