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Dr. R. Nirmala 's Profile


DESIGNATION
CURRENT RESEARCH INTEREST
 
Assistant Professor
Condensed Matter, Experiment: Rare earth intermetallics, Strongly correlated electron systems, Magnetic and transport properties of materials at low temperatures
GROUP
PERSONAL HOME PAGE
 
   Recent Publications :
 
  1. Magnetocaloric effect in the rare earth intermetallic compounds RCoNi (R = Gd, Tb, Dy and Ho)
    Rajib Mondal, R. Nirmala, J. Arout Chelvane and A. K. Nigam
    Journal of Applied Physics (2013) In Press

  2. Magnetic and magnetocaloric properties of rare earth intermetallic compound DyCoNi
    Rajib Mondal, J. Arout Chelvane and R. Nirmala
    AIP Conference series 1447 (2012) 1115

  3. Size effect on the structural, magnetic, and magnetotransport properties of electron-doped manganite La0.15Ca0.85MnO3
    Rini Thomas, Gangadhar Das, Rajib Mondal, R. Pradheesh, R. N. Mahato, T. Geethakumary, R. Nirmala, A. V. Morozkin, J. Lamsal, W. B. Yelon, A. K. Nigam and S. K. Malik
    Journal of Applied Physics 111 (2012) 07D729

  4. Magnetic structure of the Sm5Ge4-type Tb2Ti3Ge4
    A.V. Morozkin, R. Nirmala, S.K. Malik and O. Isnard
    Journal of Magnetism and Magnetic Materials 324 (2012) 4030

  5. Crystal structure and magnetic properties of novel Hf3Ni2Si3-type R3Co2Ge3 compounds (R=Y, Sm, Tb–Tm)
    A.V. Morozkin, R. Nirmala, Jinlei Yao, Y. Mozharivskyj and O. Isnard
    Journal of Solid State Chemistry 196 (2012) 93

  6. Competing magnetic interactions in the intermetallic compounds Pr5Ge3 and Nd5Ge3
    R. Nirmala, A. V. Morozkin, A. K. Nigam, Jagat Lamsal, W. B. Yelon, O. Isnard, S. A. Granovsky,K. Kamala Bharathi, S. Quezado, and S. K. Malik
    Journal of Applied Physics 109 (2011) 07A716

  7. Magnetotransport study of the magnetic superconductors GdSr2Ru1-xCu2+xO8
    T. Geetha Kumary, J. Janaki, Awadhesh Mani, R. Nirmala, S. K. Malik and M. C. Valsakumar
    Superconducting Science and Technology. 24 (2011) 095001

  8. First order transition in Dy5Si3Ge: Transport and thermal properties, and first principles calculations
    R. Nirmala, Durga Paudyal, V. K. Pecharsky, K. A. Gschneidner, and A. K. Nigam
    Journal of Applied Physics 109 (2011) 07A923

  9.  Magnetic structure and magnetic entropy change in the intermetallic compound DyCoAl
    J. Arout Chelvane, Tilak Das, Rabindra Nath Mahato, A. V. Morozkin, Jagat Lamsal, W. B. Yelon, R. Nirmala, and S. K. Malik
    Journal of Applied Physics 107 (2010) 09A906

  10. Unusual dielectric response in B-site disordered hexagonal transition metal oxides
    Debraj Choudhury, Adyam Venimadhav, Chandrasekhar Kakarla, Kris T. Delaney, P. Sujatha Devi, P. Mondal, R.Nirmala, J. Gopalakrishnan, Nicola A. Spaldin, Umesh V. Waghmare, D. D. Sarma
    Applied Physics Letters 96 (2010) 162903

  11. Magnetic transition in the rare earth intermetallic compound Ce5Ge4: Heat capacity and neutron diffraction studies
    R. Nirmala, A. V. Morozkin, Jagat Lamsal, W. B. Yelon, and S. K. Malik
    Journal of Applied Physics 107 (2010) 09E308

  12. Electric and magnetic polarizabilities of B-site size-disordered hexagonal Ln2CuTiO6 (Ln=Y, Dy, Ho, Er and Yb)
    Debraj Choudhury, Adyam Venimadhav, Chandrasekhar Kakarla, Kris T. Delaney,
    P. Sujatha Devi, P. Mondal, R.Nirmala, J. Gopalakrishnan, Nicola A. Spaldin, Umesh V. Waghmare, D. D. Sarma
    Physical Review B 82 (2010) 134203

  13. Magnetic properties of Er1−xDyxAl2 (0£x£1) compounds in low applied fields
    R. Nirmala, Durga Paudyal, V. K. Pecharsky, and K. A. Gschneidner, Jr.
    Journal of Applied Physics 107 (2010) 09A723

  14. Understanding the magnetic ground state of rare-earth intermetallic compound Ce4Sb3: Magnetization and neutron diffraction studies
    R. Nirmala, A.V. Morozkin, O. Isnard and A.K. Nigam
    Journal of Magnetism and Magnetic Materials 321, 188 (2009)

  15. Electrical transport and Magnetism in Mo-substituted R2Ti3Ge4 (R=Tb,Er)compounds
    R. Nirmala, K Hima Nagamanasa, P. A. Bhobe, Jagat Lamsal and A. K. Nigam
    Journal of Applied Physics 105, 07A914 (2009)

  16. Magnetic and Magnetocaloric properties of Tb5Si2Sb2
    R. Nirmala, A. K. Nigam and S. K. Malik
    Solid State Communications 146 (2008) 121

  17. Magnetocaloric effect in R2Ti3Ge4 (R = Gd, Tb and Er) compounds
    R. Nirmala, D. C. Kundaliya, A. V. Morozkin and S. K. Malik,
    Journal of Applied Physics 103 (2008) 053905

  18. Magnetocaloric effect in the binary intermetallic compound DySi
    R. Nirmala, A. V. Morozkin, D. Buddhikot and A. K. Nigam,
    Journal of Magnetism and Magnetic Materials 320 (2008) 1184

  19. Tunable magnetocaloric effect in RTi1-xMoxGe (R = Tb, Er) (x = 0, 0.15) Compounds
    R. Nirmala and S. K. Malik
    Europhysics Letters 80 (2007) 27001

  20. Magnetic and structural transitions in Dy5Si3Ge
    R. Nirmala, Ya. Mudryk, V. K. Pecharsky and K. A. Gschneidner, Jr.
    Physical Review B 76 (2007) 104417

  21. Unusual Magnetism of Er0.75Dy0.25Al2
    R. Nirmala, Ya. Mudryk, V. K. Pecharsky and K. A. Gschneidner, Jr.
    Physical Review B 76 (2007) 014407

  22.  Magnetism and Heat Capacity of Dy5Si2Ge2
    R. Nirmala, A. V. Morozkin and S. K. Malik
    Physical Review B 75 (2007) 094419

 

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