IR @ Goa University

Browsing Physics by Title

Browsing Physics by Title

Sort by: Order: Results:

  • Combustion synthesized copper-ion substituted FeAl(2)O(4) (Cu(0.1)Fe(0.9)Al(2)O(4)): A superior catalyst for methanol steam reforming compared to its impregnated analogue 
    Maiti, S.; Llorca, J.; Dominguez, M.; Colussi, S.; Trovarelli, A.; Priolkar, K.R.; Aquilanti, G.; Gayen, A. (Journal of Power Sources. 304; 2016; 319-331.)
    A series of copper ion substituted MAl(2)O(4) (M = Mg, Mn, Fe and Zn) spinels is prepared by a single step solution combustion synthesis (SCS) and tested for methanol steam reforming (MSR). The copper ion substituted ...
  • Comparison of EXAFS foil spectra from around the world 
    Kelly, S.D.; Bare, S.R.; Greenlay, N.; Azevedo, G.; Balasubramanian, M.; Barton, D.; Chattopadhyay, S.; Fakra, S.; Johannessen, B.; Newville, M.; Pena, J.; Pokrovski, G.S.; Proux, O.; Priolkar, K.R.; Ravel, B.; Webb, S.M. (Journal of Physics: Conference Series. 190(1); 2009; Article ID: 012032)
    The EXAFS spectra of Cu and Pd foil from many different beamlines and synchrotrons are compared to address the dependence of the amplitude reduction factor (S02) on beamline specific parameters. Even though S02 is the same ...
  • Competition between RKKY and Kondo interactions in CeSi(2-x)Ga(x) 
    Priolkar, K.R.; Prabhu, R.B.; Sarode, P.R.; Ganesan, V; Raj, P.; Sathyamoorthy, A. (Journal of Physics-Condensed Matter. 10(20); 1998; 4413-4422.)
    Electrical resistivity measurements on compounds belonging to CeSi(2-x)Ga(x) (0.7 less than or equal to x less than or equal to 1.3) have been performed. The samples in this concentration range show a smooth crossover from ...
  • Composition and temperature dependence of the thermoelectric power of Ni(2+x)Mn(1-x)Ga alloys 
    Bhobe, P.A.; Monteiro, J.H.; Cascalheira, J.C.; Mendiratta, S.K.; Priolkar, K.R.; Sarode, P.R. (Journal of Physics-Condensed Matter. 18(48); 2006; 10843-10851.)
    The thermoelectric power (TEP) measurements have been carried out to investigate the changes in the electronic structure associated with the intermartensitic and martensitic transitions in Ni(2+x)Mn(1-x)Ga (0 less than or ...
  • Consequence of B-site substitution of rare earth (Gd sup(+3)) on electrical properties of manganese ferrite nanoparticles 
    Naik, P.P.; Hasolkar, S.S. (Journal of Materials Science: Materials in Electronics. 31(16); 2020; 13434-13446.)
    Rare-earth-doped ferrite nanomaterials are known to show remarkable variation in structural, magnetic, and electrical behavior compared to their un-doped counterparts. In this report, low-temperature synthesis of Gd sup(+3) ...
  • Consequence of rare earth doping on structural and magnetic properties of Mn sub(0.6)Zn sub(0.4)Nd sub(x)Fe sub(2-x) O sub(4) nanoparticles 
    Naik, P.P.; Tangsali, R.B. (Advanced Nanomaterials: Synthesis and applications, Ed. by: V. Rajendran, K. Saminathan and K.E. Geckeler. (Academic reference series). 2015; 103-106.)
    Pure cubic spinel, nano sized Mn sub(0.6)Zn sub(0.4)Nd sub(x)Fe sub(2-x)O sub(4) with x = 0.0, 0.04, 0.05 and 0.06 have been synthesized using combustion method. It was observed that Nd doping had strong effect on structural ...
  • Controlling disorder in the ZnGa sub(2)O sub(4):Cr sup(3+) persistent phosphor by Mg sup(2+) substitution 
    Basavaraju, N.; Priolkar, K.R.; Bessiere, A.; Sharma, S.; Gourier, D.; Binet, L.; Viana, B.; Emura, S. (Physical Chemistry Chemical Physics. 19(2); 2017; 1369-1377.)
    In this work we study the effect of increasing site occupancy disorder on the persistent luminescence of Cr sup(3+) doped zinc gallate spinel. This disorder was introduced by progressive substitution of Zn sup(2+) by Mg ...
  • Correlation between local structure distortions and martensitic transformation in Ni-Mn-In alloys 
    Lobo, D.N.; Priolkar, K.R.; Bhobe, P.A.; Krishnamurthy, D.; Emura, S. (Applied Physics Letters. 96(23); 2010; Article ID: 232508.)
    The local structural distortions arising as a consequence of increasing Mn content in Ni(2)Mn(1+x)In(1-x) (x=0, 0.3, 0.4, 0.5, and 0.6) and its effect on martensitic transformation have been studied using extended x-ray ...
  • d band filling and magnetic phase separation in transition metal-doped Mn3SnC 
    Gaonkar, V.N.; Dias, E.T.; Nigam, A.K.; Priolkar, K.R. (Journal of Alloys and Compounds. 829; 2020; ArticleID_154548.)
    The structural and magnetic properties of transition metal-doped Mn3SnC are studied with an aim to understand the effect of transition metal atom on magnetostructural properties of the antiperovskite compound. The doped ...
  • Defect induced ferromagnetism in Mn sub(3)Ga 
    Malik, S.V.; Dias, E.T.; Babu, P.D.; Priolkar, K.R. (Journal of Physics: Condensed Matter. 36(13); 2023; ArticleID_135701.)
    Ni-substituted Mn sub(3)Ga displays a weak ferromagnetism embedded in an antiferromagnetic (AF) phase. Upon field cooling, the alloy exhibits exchange bias and an open hysteresis loop, signifying kinetic arrest at room ...
  • Density functional study of AgScO2: Electronic and Optical properties 
    Bhamu, K.C.; Sahariya, J.; Vyas, R.; Priolkar, K.R. (Pramana - Journal of Physics. 89; 2017; ArticleID 11.)
    This paper focusses on the electronic and optical properties of scandium-based silver delafossite (AgScO2) semiconductor. The density functional theory (DFT) in the framework of full potential linearized augmented plane ...
  • Density functional theory-based study of the magnetic and optical properties of PbMO sub(3) (M = Cr, Fe) using the modified BeckeJohnson mBJ functional 
    Mahmood, Q.; Hassan, M.; Bhamu, K.C.; Yaseen, M.; Ramay, S.M.; Mahmood, A. (Journal of Physics and Chemistry of Solids. 128; 2019; 275-282.)
    In this study, we employed the density functional theory (DFT) approach using WIEN2k code to study the magnetic and optical behaviors of PbCrO sub(3) and PbFeO sub(3) perovskites in both cubic and tetragonal phases. We ...
  • Density-matrix renormalization group studies of mixture of two different ultracold bosonic atoms 
    Mishra, T.; Pai, R.V.; Das, B.P. (Journal of Physics: Conference Series. 80; 2007; Article ID 012039)
    We investigate the ground state phase diagram for a two species Bose mixture in a one dimensional optical lattice using the finite size density matrix renormalization group (FSDMRG) method. We present our result for different ...
  • Designing a red persistent luminescence phosphor: The example of YPO4:Pr3+,Ln(3+) (Ln = Nd, Er, Ho, Dy) 
    Lecointre, A.; Bessiere, A.; Bos, A.J.J.; Dorenbos, P.; Viana, B.; Jacquart, S. (Journal of Physical Chemistry C. 115(10); 2011; 4217-4227.)
    Yttrium phosphates codoped (Ce3+,Ln(3+)) and (Pr3+,Ln(3+)) with Ln = Nd, Er, Ho, Dy were investigated by thermally stimulated luminescence. Similar to Ce3+, Pr3+ was found able to trap holes up to high temperatures While ...
  • 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 ...
  • Determination of hole concentration and characteristic pseudogap temperature in underdoped and overdoped YBa(2)Cu(3)O(7-delta) system 
    Naik, M.S.; Sarode, P.R.; Priolkar, K.R.; Prabhu, R.B. (International Conference on Condensed Matter and Applied Physics (ICC 2015). Bikaner, India. 30-31 Oct 2015..AIP Conf. Proc. 1728; 2016; vp.)
    Electrical resistivity measurements in the temperature range 14-300K have been carried out on superconducting materials of the composition, Y(0.9-x)Pr(x)Ca(0.1)Ba(2)[Cu(1-y) Zn(y)](3)O(7-delta) with different values of x ...
  • Dielectrophoresis-assisted Raman spectroscopy of intravesicular analytes on metallic pyramids 
    Barik, A.; Sudhir, C.; Wittenberg, N.J.; Johnson, T.W.; Oh, S-H. (Analytical Chemistry. 88(3); 2016; 1704-1710.)
    Chemical analysis of membrane-bound containers such as secretory vesicles, organelles, and exosomes can provide insights into subcellular biology. These containers are loaded with a range of important biomolecules, which ...
  • Diffraction studies of rare-earth phosphate glasses 
    Shikerkar, A.G.; Desa, J.A.E.; Krishna, P.S.R.; Chitra, R. (Journal of Non-Crystalline Solids. 270(41642); 2000; 234-246.)
    A series of lanthanide oxides was incorporated in a vitreous phosphate host network. Molar constituents of the glasses were typically (La2O3)(10)(RxOy)(10)(Al2O3)(5)(P2O5)(75). Each glass had a different lanthanide (R atom) ...
  • Diffusion of water in bentonite clay 
    Dessai, R.R.; Sharma, V.K.; Prabhudesai, S.A.; Mitra, S.; Desa, J.A.E.; Mukhopadhyay, R. (Journal of The Physical Society of Japan. 82; 2013; SA008-.)
    Diffusion of water confined in sodium bentonite clay is studied using the quasi-elastic neutron scattering (QENS) technique. Hydration of bentonite clay is characterized by several methods including X-ray diffraction and ...
  • Diffusion of water in bentonite clay: Neutron scattering study 
    Sharma, V.K.; Prabhudesai, S.A.; Raut-Dessai, R.; Desa, J.A.E.; Mitra, S. (AIP Conf. Proc. 2013; 918-919.)
    Diffusion of water confined in natural bentonite clay is studied using the quasi-elastic neutron scattering (QENS) technique. X-ray diffraction shows a well-defined crystalline structure of the clay with an interlayer ...

Search IR


Advanced Search

Browse

My Account