Physical & Applied Sciences: Recent submissions

  • Codoping effect of Zn and Pr in YBa(2)Cu(3)O(7-delta) 
    Naik, M.S.; Sarode, P.R.; Prabhu, R.B.; Priolkar, K.R.; Vasanthacharya, N.Y. (Acta Physica Polonica A. 115(3); 2009; 742-744.)
    In this paper we present the resistivity data for Pr and Zn codoped compound Y(1-x)Pr(x)Ba(2) [Cu(1-y)Zn(y)](3)O(7-delta) with 0 less than y less than 0:1 and x = 0.0, 0.1 and 0.2. The data is analysed in terms of the ...
  • Substitutional effect of Zn and Pr in YBa(2)Cu(3)O(7-delta) 
    Naik, M.S.; Prabhu, R.B.; Sarode, P.R.; Priolkar, K.R.; Vasanthacharya, N.Y. (Modern Physics Letters B. 23(24); 2009; 2915-2922.)
    The co-doping effect of Zn and Pr impurities in the compound of composition Y(1-x)Pr(x)Ba(2)[Cu(1-y)Zn(y)](3)O(7-delta) with x = 0.1, x = 0.2 and 0 less than or equal to y less than or equal to 0.1 has been investigated ...
  • Signatures of the superfluid-to-Mott-insulator transition in cold bosonic atoms in a one-dimensional optical lattice 
    Ramanan, S.; Mishra, T.; Luthra, M.S.; Pai, R.V.; Das, B.P. (Physical Review A. 79(1); 2009; Article ID: 013625.)
    We study the Bose-Hubbard model using the finite size density matrix renormalization group method. We obtain a complete phase diagram for a system in the presence of a harmonic trap and compare it with that of the homogeneous ...
  • Supersolid and solitonic phases in the one-dimensional extended Bose-Hubbard model 
    Mishra, T.; Pai, R.V.; Ramanan, S.; Luthra, M.S.; Das, B.P. (Physical Review A. 80(4); 2009; Article ID: 043614.)
    We report our findings on the quantum phase transitions in cold bosonic atoms in a one-dimensional optical lattice using the finite-size density-matrix renormalization-group method in the framework of the extended Bose-Hubbard ...
  • Structural investigation of activated lattice Oxygen in Ce(1-x)Sn(x)O(2) and Ce(1-x-y)Sn(x)Pd(y)O(2-delta) by EXAFS and DFT calculation 
    Gupta, A.; Hegde, M.S.; Priolkar, K.R.; Waghmare, U.V.; Sarode, P.R.; Emura, S. (Chemistry of Materials. 21(24); 2009; 5836-5847.)
    Substitution of Sn4+ ion in CeO(2) creates activated oxygen in Ce(0.8)Sn(0.2)O(2) leading to higher oxygen storage capacity compared to Ce(0.8)Zr(0.2)O(2). With Pd ion substitution in Ce(0.8)Sn(0.2)O(2), activation of ...
  • Optical properties of Pr and Nd ions in a borate glass 
    Desa, J.A.E.; Vaz, W.A.; DeSouza, B.L.; ManjuSingh (Glass Technology-European Journal of Glass Science and Technology Part A. 50(4); 2009; 230-232.)
    A set of five borate glasses containing oxides of praseodymium and neodymium have been prepared with several relative molar ratios of Pr and Nd. FTIR measurements showed the presence of the B-O stretching mode in BO(4) ...
  • An iterative regularization method for ill-posed Hammerstein type operator equation 
    George, S.; Kunhanandan, M. (Journal of Inverse and Ill-Posed Problems. 17(9); 2009; 831-844.)
    A combination of Newton's method and a regularization method has been considered for obtaining a stable approximate solution for ill-posed Hammerstein type operator equation. By choosing the regularization parameter according ...
  • Implementation of DSP algorithms on reconfigurable embedded platform 
    Parab, J.S.; Gad, R.S.; Naik, G.M. (Journal of Electrical and Electronics Engineering Research (JEEER). 1(1); 2009; 23-29.)
    Field programmable PLD’s are becoming a standard in hardware technologies, as application demands have out placed the conventional processor's ability to deliver. The right combination of price, performance, ease-of use, ...
  • Phase-separated charge-density-wave phase in the two-species extended Bose-Hubbard model 
    Mishra, T.; Sahoo, B.K.; Pai, R.V. (Physical Review A. 78(1); 2008; Article ID 013632)
    We study the quantum phase transitions in a two component Bose mixture in a one-dimensional optical lattice. The calculations have been performed in the framework of the extended Bose-Hubbard model using the finite size ...
  • Local structural changes in paramagnetic and charge-ordered phases of Sm(0.2)Pr(0.3)Sr(0.5)MnO(3): an EXAFS study 
    Priolkar, K.R.; Kulkarni, V.; Sarode, P.R.; Emura, S. (Journal of Physics-Condensed Matter. 20(33); 2008; Article ID: 335227)
    Sm(0.5-x)Pr(x)Sr(0.5)MnO(3) exhibits a variety of ground states as x is varied from 0 to 0.5. At an intermediate doping of x = 0.3 a charge-ordered CE-type antiferromagnetic insulating (AFI) ground state is seen. The ...

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