IR @ Goa University

Browsing by Subject "Physics"

Browsing by Subject "Physics"

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  • Low temperature magnetic properties of MnTe 
    D'Sa, J.B.C.E.; Priolkar, K.R.; Prabhu, R.B.; Sarode, P.R.; KamatDalal, V.N.; Vasanthacharya, N.Y. (Solid State Physics (India), Ed. by: S.L. Chaplot, P.S.R. Krishna and T. Sakuntala. Narosa Publishing House, New Delhi. 44; 2002; 453-454.)
    Electrical resistivity and magnetic susceptibility measurements of antiferromagnetic p-type semiconductor MnTe are presented in the 20K-300K range. A sharp increase in susceptibility at about 80K is observed and reported ...
  • Low temperature magnetic structure of MnSe 
    D'Sa, J.B.C.E.; Bhobe, P.A.; Priolkar, K.R.; Das, A.; Krishna, P.S.R.; Sarode, P.R.; Prabhu, R.B. (Pramana-Journal of Physics. 63(2); 2004; 227-232.)
    In this paper we report low temperature neutron diffraction studies on MnSe in order to understand the anomalous behaviour of their magnetic and transport properties. Our study indicates that at low temperatures MnSe has ...
  • Low-power broadband homonuclear dipolar recoupling in MAS NMR by two-fold symmetry pulse schemes for magnetization transfers and double-quantum excitation 
    Teymoori, G.; Pahari, B.; Eden, M. (Journal of Magnetic Resonance. 261; 2015; 205-220.)
  • Low-temperature neutron diffraction study of MnTe 
    D'Sa, J.B.C.E.; Bhobe, P.A.; Priolkar, K.R.; Das, A.; Paranjpe, S.K.; Prabhu, R.B.; Sarode, P.R. (Journal of Magnetism and Magnetic Materials. 285(41641); 2005; 267-271.)
    Investigation of transport and magnetic properties of MnTe at low temperatures showed anomalies like negative coefficient of resistance below 100 K and a sharp rise in susceptibility at around 83 K similar to a ferromagenetic ...
  • Low-temperature resistivity of mix-valent Ce0.76 La 0.14 Th 0.1 
    Prabhu, R.B.; Barbosa, A.F. (Physica Status Solidi B-Basic Research. 151(1); 1989; K45-K48.)
  • Low-temperature structural phase transitions in thermoelectric tetrahedrite, Cu sub(12) Sb sub(4) S sub(13) and tennantite, Cu sub(12)As sub(4)S sub(13) 
    Hathwar, V.R.; Nakamura, A.; Kasai, H.; Suekuni, K.; Tanaka, H.I.; Takabatake, T.; Iversen, B.B.; Nishibori, E. (Crystal Growth & Design. 19(7); 2019; 3979-3988.)
    Tetrahedrite (Cu sub(12) Sb sub(4) S sub(13)) and tennantite (Cu sub(12) As sub(4)S sub(13)) crystallize in isomorphous cubic structures (I43m) at room temperature and exhibit phase transitions at 85 K and 124 K,respectively. ...
  • Magnetic and spectroscopic studies of an iron lithium calcium silicate glass and ceramic 
    Nayak, M.T.; Desa, J.A.E.; Babu, P.D. (Journal of Non-Crystalline Solids. 484; 2018; 1-7.)
    A glass forming matrix consisting of SiO sub(2)-Li sub(2)O-CaO was doped with 10 percent and 15 percent molar of Fe sub(2)O sub(3) and investigated for changes in structural and bulk physical properties of the host when ...
  • Magnetic Compton scattering study of Ni(2)Mn(1.4)Sn(0.6) shape memory alloy 
    Dashora, A.; Mund, H.S.; Sahariya, J.; Priolkar, K.R.; Lobo, N.; Itou, M.; Sakurai, Y.; Ahuja, B.L. (Advanced Materials Research. 665; 2013; 189-193.)
    Spin momentum density in Ni(2)Mn(1.4)Sn(0.6) shape memory alloy has been measured using magnetic Compton scattering technique. The experiment has been performed using 182 keV circularly polarized synchrotron radiation at ...
  • Magnetic interactions in the martensitic phase of Mn rich Ni-Mn-In shape memory alloys 
    Lobo, D.N.; Dwivedi, S.; daSilva, C.A.; Moreno, N.O.; Priolkar, K.R.; Nigam, A.K. (Journal of Applied Physics. 114(17); 2013; Article No. 173910.)
    The magnetic properties of Mn(2) Ni (1+ x )In(1- x ) (x = 0.5, 0.6, 0.7) and Mn(2- y) Ni (1.6+ y)In(0.4) (y = -0.08, -0.04, 0.04, 0.08) shape memory alloys have been studied. Magnetic interactions in the martensitic phase ...
  • Magnetic properties of Fe-Nd Silica Glass Ceramics 
    Nayak, M.T.; Desa, J.A.E.; Babu, P.D. (DAE Solid State Physics Symposium. 2017; Article ID 70006-4.)
    Soda lime silica glass ceramics containing iron and neodymium have been synthesized. The XRD pattern revealed that the glass samples devitrified into multiple phases. Fe2O3 as an initial component converted into Fe3O4 in ...
  • Magnetic properties of textured nanocrystalline Mn-Zn ferrite thin films fabricated by pulsed laser deposition 
    Joseph, J.; Tangsali, R.B.; Pillai, V.P.M.; Choudhary, R.J.; Phase, D.M.; Ganeshan, V. (International Journal of Thin Films Science and Technology. 3(3); 2014; 81-87.)
    Mn(x)Zn(1-x)Fe(2)O(4) nanoparticles were chemically synthesized by co- precipitating metal ions in alkaline aqueous solutions. The XRD peaks match up to spinel ferrites without any multi phase indication and clear visibility ...
  • Magnetic spectral response of cerium based Kondo systems 
    Priolkar, K.R.; Prabhu, R.B.; Sarode, P.R.; Rao, M.N.; Paranjpe, S.K.; Raj, P.; Sathyamoorthy, A. (Solid State Communications. 101(11); 1997; 825-829.)
    Inelastic neutron scattering studies on two cerium Kondo systems, CeSiGa and CeSn(2)In are reported. In CeSiGa the thermal evolution of the quasielastic line width indicates a strong competition between Kondo and RKKY ...
  • Magnetic to non-magnetic crossover phenomena in CeSi(2-x)Ga(x) 
    Priolkar, K.R.; Rao, M.N.; Paranjpe, S.K.; Raj, P.; Sathyamoorthy, A.; Sarode, P.R.; Prabhu, R.B. (Solid State Phys DAE Symp. 39c; 1996; 138.)
  • Magnetic, Transport and Spectroscopic Properties of PrBaCo(2)O(5.35) 
    Ganorkar, S.; Priolkar, K.R.; Sarode, P.R.; Banerjee, A.; Sathe, V.G. (AIP Conference Proceedings. 1349; 2011; 1129-1130)
    Oxygen deficient double perovskites PrBaCo(2)O(5.35) has been studied by XRD, magnetization, resistivity, infra?red (IR) and Raman spectroscopy. Spectroscopic properties reveal that the local structure around Co ions plays ...
  • Magnetically-assembled multifunctional magnetic-plasmonic SERS substrate for low-concentration analyte detection 
    Amonkar, S.R.; Sudhir, C. (Nanotechnology. 34(44); 2023; ArticleID_445602.)
    Multifunctional particles with combined magnetic and optical properties are promising materials for applications such as sensing and detection of analytes, and contrast agents for imaging techniques such as MRI, and ...
  • Magnetism, optical, and thermoelectric response of CdFe sub(2)O sub(4) by using DFT scheme 
    Mahmood, Q.; Yaseen, M.; Bhamu, K.C.; Mahmood, A.; Javed, Y.; Ramay, S.M. (Chinese Physics B. 27(3); 2018; ArticleID_037103.)
    Comparative analysis of electronic, magnetic, optical, and thermoelectric properties of CdFe sub(2)O sub(4), calculated by employing PBEsol + mBJ has been done. The PBEsol reveals metallic nature, while TB-mBJ illustrates ...
  • Magnetoresistance study of CeSi(2-x)Ga(x) 
    Priolkar, K.R.; Rawat, R.; Das, I.; Sarode, P.R.; Prabhu, R.B. (Solid State Physics (India), Ed. by: S.L. Chaplot, P.S.R. Krishna and T. Sakuntala. Narosa Publishing House, New Delhi. 44; 2002; 433-434.)
    Magnetoresistance measurements on CeSi(2-x),Ga(x), x = 0.7, 1.0 and 1.3 were carried out in the temperature range 3K-125K and in fields upto 80 kOe. The data gives a dear evidence of competition between Kondo and RKKY ...
  • Magnetoresistivity of a crystal-field split kondo system 
    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 ...
  • A Manual on Experiments in Physics 
    Srinivasan, R.; Priolkar, K.R.; Ramesh, T.G. (Indian Academy of Sciences, Bangalore. 2018.)
  • Mean-field analysis of quantum phase transitions in a periodic optical superlattice 
    Dhar, A.; Singh, M.; Pai, R.V.; Das, B.P. (Physical Review A. 84(3); 2011; Article ID: 033631.)
    We analyze the various phases exhibited by a system of ultracold bosons in a periodic optical superlattice using the mean-field decoupling approximation. We investigate for a wide range of commensurate and incommensurate ...