3 papers
cond-mat.str-el2009
Reproducibility of room temperature ferromagnetism in Zn0.95Mn0.05O and its understanding
R. N. Bhowmik, Asok Poddar, A. Saravanan
The present work reproduces the room temperature ferromagnetism by doping magnetic Mn atoms in diamagnetic ZnO. The ferromagnetic ordering is extended up to 640 K in mechanical mil…
cond-mat.mtrl-sci2008
Disorder Effects in La substituted ferrimagnetic Ca2FeMoO6 double perovskite
I. Panneer Muthuselvam, Asok Poddar, R. N. Bhowmik
Ca2-xLaxFeMoO6 double perovskite with La concentration x = 0 to 0.6 was synthesized using solid state sintering route. The standard techniques of XRD, SEM and EDX were applied to c…
cond-mat.mtrl-sci2008
Lattice disorder and Ferromagnetism in La0.67Ca0.33MnO3 nanoparticle
R. N. Bhowmik, Asok Poddar, R. Ranganathan +1
We study the ferromagnetism of La0.67Ca0.33MnO3 in bulk polycrystalline, nanocrystalline and amorphous phase. The structural change from crystalline phase to amorphous phase exhibi…