A. A. Prasanna and S. Ram, International Conference on Fundamental and Applications of Nanoscience and Technology (held during Dec. 9-11, 2010, at Jadhavpur University, Kolkata, West Bengal, India), P28,  pp.154

Magnetoresistance in Ni-Mn-SnnanocrystallineHeusler alloys

A. A. Prasanna and S. Ram, International Conference on Multifunctional Materials (held during Dec. 6-9, 2010, at Department of Physics, Banaras Hindu University, Utter Pradesh, India),  PP110, pp. 230

Anomalous electrical and magnetotransport properties in Ni-Mn-SnHeusler alloys

A. A. Prasanna and S. Ram, National Seminar on Ferroelectrics and Dielectrics-XVI (held during Dec.  2-4, 2010, at Guru Ghasidas University, Bilaspur, Chattisgarh, India), P34, pp. 65.

Heusler Ni50Mn50-xSnx alloys a possible multiferroic material

A. A. Prasanna and S. Ram, National Metallurgists’ Day-Annual Technical Meeting (held during Nov. 14-16, 2010, at Indian Institute of Science, Bangalore, India), P1.45, pp. 29.

Martensite transformation in Ni40.5Mn50Sn9.5nanocrystallites

A. A. Prasanna and S. Ram, International Conference on Nanomaterials (held during Apr. 27-29, 2010, at Mahatma Gandhi University, Kottayam, Kerala, India), IL86,  pp. 80.

Anomalous change in electrical resistivity in martensite to austenite transition in Ni2MnSn nanocrystallites of Heusler alloys

1. Structural and electrical properties of Sr5RTi3Nb7O30 (R = rare earth ion) ceramics.

M. R. Rangaraju, Alok Kumar Singh and R. N. P. Choudhary, National Conference on Frontiers in Materials Science and Technology (FMST-02) Mats. Sci. Centre, IIT Kharagpur Feb 22 –23.

2. Structural and electrical properties of Sr5EuTi3Nb7O30 ceramics prepared through chemical route.

M. R. Rangaraju and R. N. P. Choudhary, National conference on Optical and electronic properties of Novel Materials. Dept. of Physics, Vidyasagar University, Medinipur and Centre for Theoretical studies IIT Kharagpur April 5 – 7, 2002.

3. Diffuse Phase Transition in Sr5LaTi3-xZrxNb7O30 (x = 0,1,2 and 3) ferroelectric ceramics.

M. R. Rangaraju, R. N. P. Choudhary and H. R. Rukmini, 12th National Seminar on Ferroelectrics and Dielectrics, M.R.C I.I.Sc. Bangalore, Dec. 2002.

4. Study of ferroelectric phase transition in Sr5RTi3Nb7O30 (R = rare earth) ceramics.

M. R. Rangaraju, Alok Kumar Singh and R. N. P. Choudhary, National Seminar on Physics of Materials for Electronic and Optoelectronic Devices, Dept. of Physics, Jai Narain Vyas University, Jodhpur, Feb. 2002.

5. Phase transition in Sr5NdTi3-xZrxNb7O30 (x = 0,1,2 and 3) ferroelectric ceramics.

M. R. Rangaraju, R. N. P. Choudhary and H. R. Rukmini, National Conference on Physics of Condense Matter-2003, T.M.Bhagalpur University, Bhagalpur, Bihar Jan. 2003.

6. Effect of Zr+4 and Ta+5 cation substitution on structural, dielectric and electrical properties of Sr5LaTi3Nb7O30 ferroelectric ceramic 

M. R. Rangaraju, R. N. P. Choudhary and H. R. Rukmini, National Symposium on Advanced Electronic materials and Information technology, April 2003, School of Pure and Applied Physics, Guru Ghasidas University, Bilaspur

7. Diffuse Phase Transition in Sr5RTi3Nb7O30 (R = rare earth ions) ferroelectric ceramics: an impedance spectroscopic study.

M. R. Rangaraju, R. N. P. Choudhary and H. R. Rukmini, 4th Asian Meeting on Ferroelectrics (AMF-4), December 12 – 15, 2003. MRC IISc. Bangalore. 

Synthesis and characterization of sol-gel prepared alkali ions doped PLZT ceramics, R. N. P. Choudhary, M. R. Rangaraju and H. R. Rukmini,ISSS-SPIE SM 228 (2002) 86.

Effect of Zr4+ ion substitution on structural, dielectric and electrical properties of Sr5SmTi3-xZrxNb7O30 (x = 0,1,2 and 3) ceramics. M. R. Rangaraju and R. N. P. Choudhary, Mats. Chem. and Phys.99 (1) (2006) 135.

Diffuse Phase Transition in Sr5RTi3Nb7O30 (R = rare earth ions) ferroelectric ceramics: an impedance spectroscopic study. M. R. Rangaraju, R. N. P. Choudhary and H. R. Rukmini, Ferroelectrics 325: 25 – 32 (2005)

Effect of Zr4+ ion substitution on structural, dielectric and electrical properties of Sr5LaTi3-xZrxNb7O30 (x = 0,1,2 and 3) ceramics.M. R. Rangaraju and R. N. P. Choudhary, J. Mats. Sci. 39 (2004) 1765