Publication in International Journals for the period 2002- as on Aug’ 2009

1.Magnetism of crystalline and amorphousLa0.67Ca0.33MnO3 nano particle R.N.Bhowmik,A.Poddar ,R.Ranganathan and ChandanMazumdar J.applied Physics 95 113909 (2009)

2. Intermeidate valency of Eu stimulated by the valence instability of dopant Ce in cubic Ce0.5Eu0.5Pd3: Abhishek Pandey, ChandanMazumdar, R.Ranganathan, V.R.Reddy andA.Gupta Applied Physics Letter 94182503 (2009)

3. Observation of GMR and reversal of its sign upon boron filling in cubic TbPd3 Abhishek Pandey,Chandan Mazumdar,R. RanganathanApplied Physics Letter 94 172509 (2009)

4. Negative pressure driven valence instability of Eu in cubic Eu0.4La0.6Pd3 Abhishek Pandey, ChandanMazumdar R.Ranganathan J.Phys. Cond. Matter 21 216002 (2009)

5. Magnetism in ordered metallic compoundGdPd3BxC1-xAbhishek Pandey, Chandan Mazumdar,R.Ranganathan and S.Dattagupta J. Magn.Magn. Materials 321 2311 (2009)

6. Magnetic behavior of binaly intermetallic compoundYPd 3 Abhishek Pandey, C.Majumdar,R.RanganathanJ.alloys and compounds 476 14 (2009)

7.  Negative temperature coefficient of resistance in a crystalline compound Abhishek Pandey ,C.Mazumdar,R.Ranganathan, Molly DeRaychaudhury, T.Saha-Das Gupta, SaurabhTripathi, Dhananjai Pandey andS.DattguptaEuro. Phy. Lett. 84 47007 (2008)

8.  Transverse vibrations driven negative thermal expansion in a metallic compound

GdPd 3 B 0.25 C 0.75 Abhishek Pandey,C.Mazumdar,R.Ranganathan, Saurabh Tripathi,Dhananjai Pandey and S.DattguptaApplied Physics Letter 92 261913 (2008)

9.Microstructure, magnetic and Mossbauer studies on spark – plasma sintered Sm-Co-Fe/Fe(Co) nanocomposite magnets N.V. Ramarao ,P.Saravanan,R.Gopalan, M.Manivel raja,V.SreedhraaRao,D.Sivaprahasam,R.Ranganathan andV.ChandrasekaranJ. Phys. D: Appl. Phys 41065001 (2008)

10. Intermediate valence behavior in Ce0.5Eu0.5Pd3BxAbhishek Pandey,C.Majumdar,R.RanganathanAIP conf. Proc. 1003 216 (2008)

11.   Magnetic ordering and electrical resistivity in CoFeZnO oxidesR.N.Bhowmik, R.Ranganathan B.Ghosh, S.Kumar and S.chattopadhyayJ. alloys and compounds 456 348 (2008)

12.Silica Encapsulated Ni Nanoparticles: Variation of Optical and Magnetic Properties with Particle Size Soumen Das, Subhendu K. Panda, Prithiwish Nandi and Subhadra Chaudhuri Abhishek Pandey and R. RanganathanJ. Nano science and technology 7 4447 ( 2007)

13. Unconventional relaxation in AFM CoRh2O4 nano particlesR.N.Bhowmik, R.Ranganathan Phy. Rev. B 75 012410 (2007) 

14.         Enhancement of surface magnetization in AFM nano particlesR.N.Bhowmik, R.RanganathanSolid State Commun. 14 365 (2007)

15.         Structural and magnetic studies on spark plasma sintered SmCo5 /Fe bulk nanocomposite magnets N.V. Ramarao ,R.Gopalan, M.Manivel raja, V.Chandrasekaran, D.Chakravarty, R.Sundaresan, R.Ranganathan andK.HonoJ. Magn. Magn. Mater. 312 252 (2007)

16.         Magnetic order and conductivity scaling in Mn0.5Ru0.5Co2O4 spinel oxide R.N.Bhowmik, R.RanganathanPhy.Rev B 74214417 (2006)

17.         Lattice expansion and non-collinear to collinear ferrimagnetic order in MnCr2O4 nanoparticle R.N.Bhowmik, R.Ranganathan, R.NagarajanPhy.Rev B 73 144413 (2006)

18.         Coexistence of Spin glass and Superparamagnetism with ferrimagnetic order in Co0.2Zn0.8Fe1.95Ho0.05O4 spinel oxideR.N. Bhowmik, R. Ranganathan and R. Nagarajan

J. Magn. Magn. Mater. 299 327 (2006)

19.         Role of strain induced anisotropy on the magnetic enhancement in mechanical alloyed Co0.2Zn0.8Fe2 O4  R.N.Bhowmik,R.Ranganathan R.Nagarajan, Biswatosh Ghosh, S.Kumar

Phy.Rev B 2005 72 094405 (2005)

20. Studies of electrical transport properties of Sr2 Fe(Mo V) O6 compound B.Chattopadhyay, A.Poddar, S.Das, C.Majumdar,R.Ranganathan J.Alloys and compounds 366 28 (2004)

21.   Magnetic enhancement in the antiferromagnetic nano particle of CoRh2O4

R.N.Bhowmik, R.Nagarajan R.Ranganathan,Physical Rev B 69 054430 (2004)

22.  Magnetic enhancement of Co0.2Zn0.8Fe2O4 spinel oxide by mechanical milling R.N.Bhowmik, R.Ranganathan,S.Sarkar, C.Bansal, R.NagarajanPhysical Rev B 68 134433 (2003)

23. Effect of particle size on the magnetic and transport properties of La0.875Sr0.125MnO3 Anulekha Dutta, Gayathri Banerjee, R.RanganathanPhysical Rev B 68 054432 (2003)

24.  Reentrant magnetic behavior and Magneto resistance in Co0.2Zn0.8Fe1.6 Ti0.4O4 spinel oxideR.N.Bhowmik and R.RanganathanJ.applied Physics 932780(2003)

25. Magnetic study on Co0.2Zn0.8Fe2-x GaxO4 spinel oxide 

R.N.Bhowmik and R.RanganathanJ.Magn.Magn.Materials 257 220 (2003)

26. Ferrites – what is new?R.Ranganathan and A.RayPramana- J.Physics 58, 995 (2002)

27.  Structural and Magnetic properties of room temperature milled Co0.2Zn0.8Fe2O4 spinel oxide. R.N.Bhowmik and R.RanganathanJ. Mater.Science 37, 4391 (2002)

28.Superferromagnetic clusters in spineloxideR.N.Bhowmik and R.RanganathanJ.Magn.Magn.Materials 247, 83 (2002)

29.  Anomaly in cluster glass behavior of Co0.2Zn0.8Fe2O4 spinel oxide R.N.Bhowmik and R.RanganathanJ.Magn.Magn.Materials 248,101 (2002)