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  • Ashok Rao

A systematic study on effect of electron beam irradiation on electrical properties and thermopower of RE0.8Sr0.2CoO3 (RE=La, Pr) cobaltites

Christopher, B., Thomas, R., Rao, A., Okram, G. S., Petwal, V. C., Verma, V. P. & Dwivedi, J., 01-01-2019, In : Physica B: Condensed Matter. 552, p. 170-177 8 p.

Research output: Contribution to journalArticle

A systematic study on the effect of electron beam irradiation on structural, electrical, thermo-electric power and magnetic property of LaCoO3

Benedict, C. J., Rao, A., Sanjeev, G., Okram, G. S. & Babu, P. D., 01-01-2016, In : Journal of Magnetism and Magnetic Materials. 397, p. 145-151 7 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)

Average Structure, Local Structure, Photoluminescence, and NLO Properties of Scheelite Type NaCe(WO4)2

Munirathnappa, A. K., Neuefeind, J. C., Yanda, P., Sundaresan, A., Kityk, I. V., Ozga, K., Jedryka, J., Poornesh, P., Rao, A. & Sundaram, N. G., 01-01-2019, (Accepted/In press) In : Crystal Growth and Design.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Comparative study of Bi doped Pr0.7Sr0.3MnO 3 & Pr0.6Sr0.4MnO3 manganite

Kumar, N., Rao, A. & Awana, V. P. S., 12-09-2011, Solid State Physics - Proceedings of the 55th DAE Solid State Physics Symposium 2010. PART A ed. Vol. 1349. p. 993-994 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Comprehensive study on effect of electron beam irradiation on electrical, thermo-electric and magnetic properties of oxygen rich LaMnO3.15compound

Christopher, B., Rao, A., Okram, G. S., Chandra Petwal, V., Verma, V. P. & Dwivedi, J., 01-01-2017, In : Journal of Alloys and Compounds. 703, p. 216-224 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Controlled Modification Of Structure Of Some Manganites Using Electron Beam Irradiation For Sensor Applications

Rao, A., Benedict, C. J. & Sanjeev, G., 01-01-2013, In : International Journal of Earth Sciences and Engineering. 6, 4, p. 862-865 4 p.

Research output: Contribution to journalArticle

Conversion of pencil graphite to graphene/polypyrrole nanofiber composite electrodes and its doping effect on the supercapacitive properties

Sudhakar, Y. N., Vindyashree, Smitha, V., Prashanthi, Poornesh, P., Ashok, R. & Selvakumar, M., 01-09-2015, In : Polymer Engineering and Science. 55, 9, p. 2118-2126 9 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Correlated quartic variation of band gap and NBE energy in sol-gel derived Zn 1−x Co x O nanoparticles

Chattopadhyay, S., Misra, K. P., Agarwala, A., Rao, A. & Babu, P. D., 01-04-2019, In : Materials Chemistry and Physics. 227, p. 236-241 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Correlation between structural and transport properties of electron beam irradiated PrMnO3 compounds

Christopher, B., Rao, A., Nagaraja, B. S., Shyam Prasad, K., Okram, G. S., Sanjeev, G., Petwal, V. C., Verma, V. P., Dwivedi, J. & Poornesh, P., 01-02-2018, In : Solid State Communications. 270, p. 30-37 8 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Dislocations and particle size governed band gap and ferromagnetic ordering in Ni doped ZnO nanoparticles synthesized via co-precipitation

Chattopadhyay, S., Misra, K. P., Agarwala, A., Shahee, A., Jain, S., Halder, N., Rao, A., Babu, P. D., Saran, M. & Mukhopadhyay, A. K., 01-12-2019, In : Ceramics International. 45, 17, p. 23341-23354 14 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Distinct Phase Formation of Bi RE WO6 (RE = La-Yb) Nanoparticles by a One Step Hydrothermal Synthesis and Their Photocatalytic Applications

Shanbogh, P. P., Swain, D., Narayana, C., Rao, A. & Sundaram, N. G., 04-04-2018, In : Crystal Growth and Design. 18, 4, p. 1935-1939 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Doped Pr0.7-xBixSr0.3MnO3 manganite: A structural, electrical and magnetic effect

Kumar, N., Kishan, H., Rao, A. & Awana, V. P. S., 20-08-2010, In : Journal of Alloys and Compounds. 504, 2

Research output: Contribution to journalArticle

12 Citations (Scopus)

Effect of Ba substitution on structural, electrical and thermal properties of La0.65Ca0.35 - xBaxMnO3(0 ≤ x ≤ 0.25) manganites

Manjunatha, S. O., Rao, A., Lin, T. Y., Chang, C. M. & Kuo, Y. K., 15-01-2015, In : Journal of Alloys and Compounds. 619, p. 303-310 8 p.

Research output: Contribution to journalArticle

Effect of electron beam irradiation on structural, electrical and thermo-electric power of La0.8Sr0.2MnO3

Rao, A., Benedict Christopher, J., Sanjeev, G. & Okram, G. S., 01-01-2015, In : Journal of Nano- and Electronic Physics. 7, 1, 01001.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Effect of Fe, Co, and Zn substitution on thermal expansion of GdBa 2Cu3O7

Rao, A., 15-06-2011, Malaysia Annual Physics Conference 2010, PERFIK-2010. Vol. 1328. p. 226-228 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Effect of Mn substitution on the thermal expansion of EuBa2Cu3O7-δ

Rao, A., 01-01-2012, In : Physics Procedia. 36, p. 606-610 5 p.

Research output: Contribution to journalConference article

Effect of Mn substitution on the thermo-power of the superconductor Mg 1-xMnxB2

Rao, A., Chakraborty, T., Gahtori, B., Sarkar, C., Agarwal, S. K., Soni, A. & Okram, S., 01-01-2010, In : Journal of Physics: Conference Series. 234, PART 1, 012033.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Effect of Nb doping at Mn site on thermal expansion of Pr 0.7Sr0.3MnO3

Rao, A., Poornesh, P., Wu, K. K., Kuo, Y. K. & Agarwal, S. K., 01-01-2013, In : Solid State Communications. 172, p. 54-56 3 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
4 Citations (Scopus)

Effect of rare-earth substitution at La-site on structural, electrical and thermoelectric properties of La0.7−xRExSr0.3MnO3 compounds (x = 0, 0.2, 0.3; RE = Eu, Gd, Y)

Choudhary, Y. R. S., Mangavati, S., Patil, S., Rao, A., Nagaraja, B. S., Thomas, R., Okram, G. S. & Kini, S. G., 01-04-2018, In : Journal of Magnetism and Magnetic Materials. 451, p. 110-120 11 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Effects of iso- and polyvalent substitutions on the short/long-range crystalline order in CuCrO 2 compounds

Barot, N., Mehta, P. K., Rao, A., Thomas, R. & Kuo, Y. K., 30-06-2019, In : Journal of Alloys and Compounds. 791, p. 134-143 10 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Electric, magnetic, and thermo-electric properties of Cr doped La0.8Ca0.2Mn1-xCrxMnO3 manganites

Manjunatha, S. O., Rao, A., Babu, P. D., Chand, T. & Okram, G. S., 01-07-2016, In : Solid State Communications. 239, p. 37-43 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Electrical, magnetic and thermal properties of Pr0.6- xBixSr0.4MnO3 manganites

Daivajna, M. D., Kumar, N., Awana, V. P. S., Gahtori, B., Benedict Christopher, J., Manjunath, S. O., Syu, K. Z., Kuo, Y. K. & Rao, A., 05-03-2014, In : Journal of Alloys and Compounds. 588, p. 406-412 7 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)

Electrical, thermal and magnetic properties of Bi doped La 0.7-xBixSr0.3MnO3 manganites

Daivajna, M. D., Rao, A. & Okram, G. S., 25-12-2014, In : Journal of Alloys and Compounds. 617, p. 341-351 7 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Electrical, thermal and magnetic studies on 7.5 MeV electron beam irradiated PrCoO3 polycrystalline samples

Christopher, B., Rao, A., Deka, U., Prasad K, S., Okram, G. S., Sanjeev, G., Chandra Petwal, V., Verma, V. P. & Dwivedi, J., 01-07-2018, In : Physica B: Condensed Matter. 540, p. 26-32 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Electrical, thermal and magnetic studies on Bi-substituted LSMO manganites

Daivajna, M. D., Rao, A. & Okram, G. S., 15-08-2015, In : Journal of Magnetism and Magnetic Materials. 388, p. 90-95 6 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Electrical and thermal properties of bulk superconductors Eu0.95Pr0.05Ba2(Cu1-xMx)3O7-δ (M = Fe, Ni, Zn and Mn)

Chakraborty, T., Gahtori, B., Soni, A., Okram, G. S., Agarwal, S. K., Chen, Y. S., Kuo, Y. K., Geetha, Rao, A. & Sarkar, C. K., 01-02-2010, In : Physica C: Superconductivity and its Applications. 470, 3, p. 244-249 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Electrical and thermal transport properties of Dy0.95Pr 0.05Ba2(Cu1-x Mx)3O 7-δ with (M=Fe, Co, Ni and Zn) bulk superconductors

Geetha, M., Rao, A., Thukaram, M., Agarwal, S. K., Bhatt, R. C., Tyagi, K. & Kuo, Y. K., 01-06-2014, In : Solid State Communications. 187, p. 38-42 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Electrical conduction and thermal properties of Bi-doped Pr 0·7Sr0·3MnO3 manganite

Daivajna, M. D., Kumar, N., Gahtori, B., Awana, V. P. S., Kuo, Y. K. & Rao, A., 2014, In : Bulletin of Materials Science. 37, 1, p. 47-51 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Enhanced thermoelectric performance of Pb doped Cu2SnSe3 synthesized employing spark plasma sintering

Shyam Prasad, K., Rao, A., Tyagi, K., Singh Chauhan, N., Gahtori, B., Bathula, S. & Dhar, A., 01-05-2017, In : Physica B: Condensed Matter. 512, p. 39-44 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Enhancement in the thermoelectric properties of Cu3SbSe4 by Sn doping

Shyam Prasad, K. & Rao, A., 01-09-2019, In : Journal of Materials Science: Materials in Electronics. 30, 17, p. 16596-16605 10 p.

Research output: Contribution to journalArticle

Fe ion doping effect on electrical and magnetic properties of La 0.7Ca0.3Mn1-xFexO3 (0 ≤ x ≤ 1)

Kumar, N., Kishan, H., Rao, A. & Awana, V. P. S., 23-07-2010, In : Journal of Alloys and Compounds. 502, 2, p. 283-288 6 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

High-Energy Electron-Beam-Induced Evolution of Secondary Phase and Enhanced Photocatalytic Activity in Monoclinic BiEuWO 6 Nanoparticles

Shanbogh, P. P., Petwal, V. C., Dwivedi, J., Rao, A. & Sundaram, N. G., 02-05-2019, In : Journal of Physical Chemistry C. 123, 17, p. 10881-10892 12 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Impact of Average, Local, and Electronic Structure on Visible Light Photocatalysis in Novel BiREWO6 (RE = Eu and Tb) Nanomaterials

Shanbogh, P. P., Raghunathan, R., Swain, D., Feygenson, M., Neuefeind, J., Plaisier, J., Narayana, C., Rao, A. & Sundaram, N. G., 24-10-2018, In : ACS Applied Materials and Interfaces. 10, 42, p. 35875-35887 13 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Impact of low level praseodymium substitution on the magnetic properties of YCrO3 orthochromites

Kumar, S., Coondoo, I., Rao, A., Lu, B. H., Kuo, Y. K., Kholkin, A. L. & Panwar, N., 01-04-2017, In : Physica B: Condensed Matter. 510, p. 104-108 5 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Improved nonlinear absorption mechanism of tin oxide thin films: Role of strontium doping

Bannur, M. S., Antony, A., Maddani, K. I., Ani, A., Poornesh, P., Rao, A., Choudhari, K. S. & Kulkarni, S. D., 01-08-2019, In : Optical Materials. 94, p. 294-298 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Influence of annealing on the linear and nonlinear optical properties of Mn doped ZnO thin films examined by z-scan technique in CW regime

Nagaraja, K. K., Pramodini, S., Poornesh, P., Rao, A. & Nagaraja, H. S., 01-08-2016, In : Optical Materials. 58, p. 373-381 9 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Influence of electron beam irradiation on electrical, structural, magnetic and thermal properties of Pr0.8Sr0.2MnO3 manganites

Christopher, B., Rao, A., Petwal, V. C., Verma, V. P., Dwivedi, J., Lin, W. J. & Kuo, Y. K., 01-12-2016, In : Physica B: Condensed Matter. 502, p. 119-131 13 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
11 Citations (Scopus)

Influence of sintering temperature on the electrical and thermal properties of bulk samples of Pr2/3Sr1/3MnO3-δ

Bhatt, R. C., Daivajna, M. D., Rao, A., K, S. P., Thomas, R., Nagaraja, B. S., Awana, V. P. S., Lin, C. F., Ramachandran, B. & Kuo, Y. K., 15-09-2018, In : Physica B: Condensed Matter. 545, p. 141-145 5 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Investigation of fundamental and higher harmonic AC magnetic susceptibility of FeSe0.5Te0.5 superconductor

Pal, A., Rani, P., Hafiz, A. K., Rao, A. & Awana, V. P. S., 01-01-2019, In : Materials Research Express. 6, 9, 096004.

Research output: Contribution to journalArticle

Investigation of the effect of electron beam irradiation on the structural and transport properties of half doped Nd 0.5 Sr 0.5 MnO 3 manganites

Chettri, P., Deka, U., Rao, A., Okram, G. S., Chandra Petwal, V., Verma, V. P., Dwivedi, J., Thomas, R. & Nagaraja, B. S., 01-05-2019, In : Physica B: Condensed Matter. 560, p. 220-227 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Investigation on magnetic, electrical and thermoelectric power of Bi-substituted La0.8Ca0.2MnO3 manganites

Manjunatha, S. O., Rao, A., Awana, V. P. S. & Okram, G. S., 03-07-2015, In : Journal of Magnetism and Magnetic Materials. 394, p. 130-137 8 p., 60326.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Investigation on structural, electrical, magnetic and thermoelectric properties of low bandwidth Sm1-xSrxMnO3 (0.2≤x≤0.5) manganites

Nagaraja, B. S., Rao, A., P, P., Tarachand & Okram, G. S., 15-10-2017, In : Physica B: Condensed Matter. 523, p. 67-77 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Investigation on structural, magneto-transport, magnetic and thermal properties of La0.8Ca0.2-xBaxMnO3 (0 ≤ x ≤ 0.2) manganites

Manjunatha, S. O., Rao, A., Subhashini & Okram, G. S., 15-08-2015, In : Journal of Alloys and Compounds. 640, p. 154-161 8 p.

Research output: Contribution to journalArticle

43 Citations (Scopus)

Investigations on nonlinear optical properties of electron beam treated Gd: ZnO thin films for photonic device applications

Spoorthi, K., Pramodini, S., Kityk, I. V., Abd-Lefdil, M., Sekkati, M., El Fakir, A., Rao, A., Sanjeev, G. & Poornesh, P., 01-06-2017, In : Laser Physics. 27, 6, 065403.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Low-temperature thermoelectric properties of Pb doped Cu2SnSe3

Prasad K, S., Rao, A., Gahtori, B., Bathula, S., Dhar, A., Chang, C. C. & Kuo, Y. K., 01-09-2017, In : Physica B: Condensed Matter. 520, p. 7-12 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Magnetic and thermal behavior of Ru 0.9Sr 2YCu 2.1O 7.9 magneto-superconductor synthesized by high-pressure high-temperature technique

Kumar, A., Gahtori, B., Rao, A., Kuo, Y. K., Shahnawaz, Awana, V. P. S. & Tandon, R. P., 01-07-2011, In : Journal of Superconductivity and Novel Magnetism. 24, 5, p. 1643-1648 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Magnetic inhomogeneity and Griffiths phase in Bi substituted La0.65−xBixCa0.35MnO3 manganites

Manjunatha, S. O., Rao, A., Poornesh, P., Lin, W. J. & Kuo, Y. K., 01-10-2016, In : Physica B: Condensed Matter. 498, p. 82-91 10 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)