IR @ Goa University

Browsing by Subject "Physics"

Browsing by Subject "Physics"

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  • Mechanism of magnetostructural transformation in multifunctional Mn sub(3)GaC 
    Dias, E.T.; Priolkar, K.R.; Ranjan, R.; Nigam, A.K.; Emura, S. (Journal of Applied Physics. 122(10); 2017; ArticleID_103906.)
    Mn sub(3)GaC undergoes a ferromagnetic to antiferromagnetic, volume discontinuous cubic-cubic phase transition as a function of temperature, pressure, and magnetic field. Through a series of temperature dependent x-ray ...
  • Mechanism of superconductivity in Yb(1-x)Ca(x)(Ba(0.8)Sr(0.2))(2)Cu(3)O(6+delta) 
    Anvekar, T.S.; Priolkar, K.R.; Sarode, P.R.; Kamat-Dalal, V.N.; Narlikar, A.V. (Indian Journal of Pure and Applied Physics. 40(11); 2002; 780-785.)
    EXAFS, X-ray Rietveld refinement and infra-red absorption measurements have been made on Yb(1-x)Ca(x)(Ba(0.8)Sr(0.2))(2)Cu(3)O(6+delta) in order to understand the effect of Ca doping on the local structure of planar Cu ...
  • Melting of Mott Phases 
    Alavani, Bhargav Krishnanath
  • Methanol steam reforming behavior of sol-gel synthesized nanodimensional Cu sub(x)Fe sub(1-x)Al sub(2)O sub(4) hercynites 
    Maiti, S.; Das, D.; Pal, K.; Llorca, J.; Soler, L.; Colussi, S.; Trovarelli, A.; Priolkar, K.R.; Sarode, P.R.; Asakura, K.; Seikh, Md.M.; Gayen, A. (Applied Catalysis A: General. 570; 2019; 73-83.)
    This work reports the outstanding catalytic activity behavior of sol-gel synthesized nanostructured Cu sub(x)Fe sub(1-x)Al sub(2)O sub(4) (0.3 less than or equal to x less than or equal to 0.8; named as CuFeAln, where n=  ...
  • Microbubble generation and large-scale assembly of colloidal particles by graphene oxide microstructures 
    Pinapati, P.; Puthenveetil, J.J.; Sudhir, C. (Journal of Optics. 24(7); 2022; ArticleID_074005.)
    The study of generation, growth and decay of microbubbles is interesting owing to its potential applications in imaging, trapping of colloidal particles and mass fluid flow. While there have been several reports on the ...
  • Microscopic Understanding of the Antisite Disorder on Magnetic and Transport Properties in Heusler Alloys 
    Malik, Samiksha V.
  • Microstructure and magnetic properties of nano crystalline manganese ferrite thin film fabricated by pulse laser deposition 
    Joseph, J.; Tangsali, R.B.; Pillai, V.P.M.; Choudhary, R.J.; Phase, D.M.; Ganeshan, V. (Advanced Science Letters. 22(4); 2016; 825-829.)
    Nanoparticles of Mn Fe2O4 were chemically synthesized by precipitating the metal ions in aqueous alkaline solution with due optimization of reaction parameters. The XRD data of the powder sample comprising all prominent ...
  • Microstructure and magnetic properties of patterned nano crystalline zinc ferrite thin film fabricated by pulse laser deposition 
    Joseph, J.; Tangsali, R.B.; Pillai, V.P.M.; Choudhary, R.J.; Phase, D.M.; Ganeshan, V. (Materials Research Bulletin. 61; 2015; 475-480.)
    Patterned nano crystalline ZnFe(2)O(4) thin film was fabricated on quartz substrate by pulse laser deposition.XRD and Raman spectroscopic techniques were employed for structural characterization of the film.Silencing of a ...
  • Mn sup(2+)-activated zero-dimensional metal (Cd, Zn) halide hybrids with near-unity PLQY and zero thermal quenching 
    Marayathungal, J.H.; Das, D.K.; Bakthavatsalam, R.; Sam, J.; Hathwar, V.R.; Pallepogu, R.; Dutta, S.; Kundu, J. (The Journal of Physical Chemistry C. 127(18); 2023; 8618-8630.)
    Highly luminescent self-trapped exciton (STE)-based emission in low-dimensional antimony halide hybrids typically suffers from severe thermal quenching that limits their use in lighting applications. Interestingly, Mn ...
  • Modulations in magnetostructural coupling in C and Sn deficient Mn sub(3)SnC 
    Gaonkar, V.N.; Dias, E.T.; Das, A.; Nigam, A.K.; Priolkar, K.R. (Journal of Magnetism and Magnetic Materials. 488; 2019; ArticleID_165357.)
    The structural and magnetic interactions in stoichiometric (Mn sub(3)SnC), carbon deficient (Mn sub(3)SnC sub(0.8)) and tin deficient (Mn sub(3)Sn sub(0.85)C) antiperovskite compounds are studied using X-ray absorption ...
  • MoS sub(2) and MoS sub(2-) based nanocomposites for enhanced toluene sensing response at room temperature 
    Thayil, R.; Gopi Krishna, K.; Sudhir, C.; Kathirvelu, V.; Parne, S.R. (Surfaces and Interfaces. 46; 2024; ArticleID_104134.)
    Nanostructured materials, characterized by their unique physical and chemical attributes at the nanoscale, enable the development of advanced applications due to their distinct size-dependent phenomena and surface properties. ...
  • Mossbauer study and Curie temperature configuration on sintering Nano-Ni-Zn Ferrite powder 
    Kothawale, M.M.; Tangsali, R.B.; Meena, S.S.; Prasad, N.K.; Gangwar, A. (Journal of Superconductivity and Novel Magnetism. 32(7); 2019; 2141-2147.)
    Variations of Curie temperature and strength of magnetic phases with sintering temperature and Ni concentration is investigated in the present work. The AC susceptibility studies show a decrease in Curie temperature (TC) ...
  • Mossbauer study of as prepared and gamma irradiated Mn sub(0.7) Zn sub(0.3) Fe sub(2) O sub(4) nanoparticles 
    Naik, P.P.; Tangsali, R.B.; Meena, S.S.; Bhatt, P. (Journal of Radiation and Nuclear Applications. 4(2); 2019; 127-131.)
    Nanoparticles of Mn sub(0.7) Zn sub(0.3) Fe sub(2) O sub(4) were synthesized using normal combustion method. Nanoparticles were characterized using conventional tools like X-Ray Diffraction (XRD) for structural confirmation. ...
  • Multifunctional plasmonic nanomaterials (Chapter 13) 
    Sudhir, C. (Fundamentals and Properties of Multifunctional Nanomaterials, Ed. by Sabu Thomas, Nandakumar Kalarikkal and Ann Rose Abraham. 2021; 297-330.)
    Plasmonic nanomaterials are promising candidates for numerous applications including chemical and biological sensing, surface-enhanced processes, and nanoscale optoelectronic devices. Their unique optical properties have ...
  • Nano-porous structure of a porous ceramics from rice husk 
    Raut-Dessai, R.; Desa, J.A.E.; Sen, D.; Mazumder, S. (Transactions of The Indian Ceramic Society. 71(4); 2012; 243-246.)
    A porous ceramics is obtained using rice husk as the source of silica. The modification of mesoscopic structure under different sintering conditions has been investigated using neutron scattering techniques and scanning ...
  • Nanoferrite thin films: Deposition 
    Joseph, J.; Tangsali, R.B. (Mathematical Aspects of Physical Concepts and Physical Aspects of Mathematical Concepts, Ed. By: B.N. Bhosale. Discovery Publishing House Pvt. Ltd. , New Delhi, ISBN: 978-81-8356-798-5. 2011; 115-120.)
  • Nanometric study of nickel oxide prepared by sol gel process 
    Raut-Dessai, R.; Desa, J.A.E.; Sen, D.; Babu, P.D. (AIP Conference Proceedings. 1942(1); 2018; ArticleID_050052.)
    Nickel oxide nanopowder was synthesized by sol gel method using nickel nitrate as the starting material. Nickel oxide nanoparticles with a grain size of 15-90 nm have been studied by; small angle neutron scattering; scanning ...
  • A Neutron diffraction investigation of the structure of vitreous 
    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 ...
  • Neutron diffraction studies of MnSe 
    D'Sa, J.B.C.E.; Priolkar, K.R.; Das, A.; Prabhu, R.B.; Sarode, P.R.; Kamat-Dalal, V.N.; Paranjpe, S.K. (Solid State Physics India., 42. Proc. DAE solid state physics symposium. 2000; 569-570.)
  • 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. (Solid State Physics (India), Ed. by: S.L. Chaplot, P.S.R. Krishna and T. Sakuntala. Narosa Publishing House, New Delhi. 44; 2002; 435-436.)
    We report our neutron diffraction studies at low temperature on MnTe. The low temperature data indicates presence of another crystallographic phase along with the high temperature antiferromagnetic hexagonal phase. This ...