1. Structural, dielectric and electrical properties of Sr5RTi3Nb7O30 (R = Gd and Dy) ceramics.

M. R. Rangaraju and R. N. P. Choudhary, Mats. Letts. 57 (2003) 2980

2. Dielectric and electrical properties of Sr5EuCr3Nb7O30  nanoceramics prepared using novel chemical route.

M. R. Rangaraju, R. N. P. Choudhary and S. Ram, Phys. Stat. Sol. (b): 239 (2003) 480

3. 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

4. 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

5. 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 

6. Studies of structural and electrical properties of Sr4Na2NdTi3Nb7O30 ferroelectrics.

M. R. Rangaraju and R. N. P. Choudhary, Mats. Sci. and Engg. B (revised version submitted)

7. Structural, dielectric and electrical properties of Sr5GdTi3X7O30 (X = Nb and Ta) ceramics an impedance spectroscopic study.

M. R. Rangaraju and R. N. P. Choudhary, J. Eur. Ceramic Soc. (revised version submitted)

8. Effect of Zr ion substitution on electrical properties of Sr5NdTi3Nb7O30 ceramic: an impedance spectroscopic study

M. R. Rangaraju and R. N. P. Choudhary, British Ceramic Transaction (Communicated)

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.