Browse by IITH Authors

Asthana, Saket (2023) Ergodic-nonergodic relaxor behavior, recoverable energy storage density, and dynamic hysteresis scaling in NKBT ferroelectrics. Journal of Materials Science: Materials in Electronics, 34 (11). p. 972. ISSN 0957-4522

Asthana, Saket and Raavi, Sai Santosh Kumar (2023) Enriched visible light absorption by Au-embedded Sm3+ doped TiO2 compact photoanode for enhanced dye-sensitized solar cell performance. Physica B: Condensed Matter, 652. p. 414621. ISSN 0921-4526

Asthana, Saket and Subrahmanyam, Challapalli (2023) Biogas reforming to syngas in a DBD plasma reactor with dielectric materials packing: Effect of H2S on the conversion of CH4 and CO2. Biomass and Bioenergy, 173. p. 106781. ISSN 0961-9534

Kumar, A. and Kumar Raavi, Sai Santosh and Asthana, Saket and et al, . (2022) Structural, impedance, and photoluminescence properties of Ho3+ substituted Na0·5Bi0·5TiO3. Physica B: Condensed Matter, 639. pp. 1-10. ISSN 0921-4526

Sekhar, K.S.K.R. Chandra and Sreenivasu, T. and Babu, K. Vijaya and Asthana, Saket and et al, . (2022) Energy storage, electrocaloric and optical property studies in Ho-modified NBT – BT lead-free ferroelectric ceramics. Ceramics International. pp. 1-12. ISSN 0272-8842

Goutham, Cilaveni and Ashok Kumar, Kinjarapu Venkata and Raavi, Sai Santosh Kumar and Subrahmanyam, Challapalli and Asthana, Saket (2022) Enhanced electrical and photocatalytic activities in Na0.5Bi0.5TiO3 through structural modulation by using anatase and rutile phases of TiO2. Journal of Materiomics. ISSN 2352-8478

Pal, Munendra and Srinivas, Adiraj and Asthana, Saket (2022) Enhanced magneto-electric properties and magnetodielectric effect in lead-free (1-x)0.94Na0.5Bi0.5TiO3-0.06BaTiO3–x CoFe2O4 particulate composites. Journal of Alloys and Compounds, 900. pp. 1-13. ISSN 0925-8388

Sahu, Ranjan Kumar and Asthana, Saket (2022) Improved recoverable energy storage density, breakdown strength, and relaxor nature in eco-friendly K+1-ion rich NBT ferroelectrics. Journal of Alloys and Compounds, 929. pp. 1-13. ISSN 0925-8388

Kumar, Abhinav and Asthana, Saket (2022) Investigations on structural, dielectric, and impedance properties of ecofriendly Ho3+ / Nb5+ co-substituted Na0.5 Bi0.5TiO3. Journal of Alloys and Compounds, 927. pp. 1-12. ISSN 0925-8388

Banerjee, Krishnarjun and Singh, Nishant and Asthana, Saket (2022) Role of B-site disorder in the properties of lead-free Na0.5Bi0.5(Mg1/3Nb2/3)O3 ceramic: A possible electrocaloric material with low leakage current. Journal of Physics and Chemistry of Solids, 163. pp. 1-9. ISSN 0022-3697

Banerjee, Krishnarjun and Asthana, Saket (2022) Scaling behavior of different shapes of hysteresis loops and recoverable energy storage density in Na0.5Bi0.5TiO3, K0.5Bi0.5TiO3, and Na0.25K0.25Bi0.5TiO3 ferroelectrics. Journal of Materiomics, 8 (4). pp. 918-927. ISSN 2352-8478

Kumar, Abhinav and Asthana, Saket (2021) Beneficial modification of the electrical properties of ecofriendly ferroelectric ceramic Na0.5Bi0.5TiO3 by substitution of low concentration of Ho+3. In: International Conference on Recent Advances in Materials and Manufacturing, ICRAMM, 20-21 November 2020, Tamilnadu; India.

Durga Rao, T. and Vadnala, Sudharshan and Sattibabu, Bhumireddi and Asthana, Saket (2021) Observation of normal and reverse magnetocaloric effect in Ho and Sc co-substituted BiFeO3. Journal of Materials Science: Materials in Electronics, 32 (4). pp. 4372-4379. ISSN 0957-4522

Misra, Sushil and Andronenko, Sergey I. and Padia, Parth and Vadnala, Sudharshan and Asthana, Saket (2021) EPR and magnetization studies of the manganites La0.7-xEuxSr0.3MnO3 (x = 0.4, 0.5, 0.6, 0.7) and La0.3Nd0.4Sr0.3MnO3 at different temperatures: Conductivity due to hopping of small polarons. Journal of Magnetism and Magnetic Materials, 519 (167450). ISSN 03048853

Kumar, Abhinav and Katta, Venkata Seshaiah and Raavi, Sai Santosh Kumar and Asthana, Saket (2021) Effect of electrical poling on the structural, dielectric and photoluminescence properties of small concentration of Ho+3 substituted NBT. In: 2nd International Conference on Advances in Physical Sciences and Materials 2021, ICAPSM 2021, 12 August 2021 through 13 August 2021, Virtual, Online.

Katta, Venkata Seshaiah and Velpandian, M. and Chappidi, Vishnuvardhan Reddy and Ahmed, Md Soif and Kumar, Abhinav and Asthana, Saket and Meduri, Praveen and Raavi, Sai Santosh Kumar (2021) Er3+ doped titania photoanode for enhanced performance of photo-electrochemical water splitting devices. Materials Letters, 302. p. 130297. ISSN 0167577X

Kumar, Abhinav and Asthana, Saket (2021) Investigation on energy storage properties and thermally stable dielectric constant for high temperature electronic device applications in the holmium substituted Na0.5Bi0.5TiO3. Journal of Materials Science: Materials in Electronics. ISSN 0957-4522

Banerjee, Krishnarjun and Asthana, Saket (2021) Role of polar nanoregions in the enhancement of the recoverable energy storage density and electrostrictive coefficient in the lead free Na0.25K0.25Bi0.5TiO3. Materials Letters, 304. p. 130577. ISSN 0167-577X

Katta, Venkata Seshaiah and Das, Aparajita and Dileep K., Reshma and Cilaveni, Goutham and Pulipaka, Supriya and Veerappan, Ganapathy and Ramasamy, Easwaramoorthi and Meduri, Praveen and Asthana, Saket and Melepurath, Deepa and Raavi, Sai Santosh Kumar (2021) Vacancies induced enhancement in neodymium doped titania photoanodes based sensitized solar cells and photo-electrochemical cells. Solar Energy Materials and Solar Cells, 220 (110843). ISSN 09270248

Chandra Sekhar, K. S. K. R. and Krishnarjun, Banerjee and Asthana, Saket and Patri, Tirupathi and Mouli, K. Chandra (2020) Observation of diffuse relaxor activity and normal thermal stability in Ho – modified NBT – BT lead free ceramics. Ferroelectrics, 568 (1). pp. 161-174. ISSN 0015-0193

Pal, Munendra and Srinivas, Adiraj and Asthana, Saket (2020) Exploration of lead-free magneto-electric 0.85(Na0.41K0.09Bi0.5TiO3) – 0.15(CoFe2O4) particulate composite for sensor application. In: AIP Conference Proceedings, 19-21 December 2019, Hyderabad; India.

Bhavani, G. and Sattibabu, B. and Asthana, Saket and Rao, T Durga (2020) Improved insulating and dielectric properties in Ho and Sc doped BiFeO3. In: AIP Conference Proceedings, 19-21 December 2019, Hyderabad; India.

Banerjee, Krishnarjun and Asthana, Saket (2020) The effect of cation-size variance on the relaxor nature and insulating character of the lead free Rb substituted Na0.5Bi0.5TiO3. In: AIP Conference Proceedings, 19-21 December 2019.

Kandula, Kumara Raja and Yanamandra, Radha and Posidevi, Bandi and Asthana, Saket and Patri, Tirupathi (2020) Observation of electrocaloric effect, thermal energy harvesting and energy storage density capabilities in Eu3+ and Nb5+ co-substituted lead-free Na0.5Bi0.5TiO3 ceramics. Current Applied Physics, 20 (9). pp. 1066-1072. ISSN 15671739

Banerjee, Krishnarjun and Asthana, Saket (2020) The effect of A-site cation on ferroelectric properties in Na0.5Bi0.5TiO3-based materials: Correlation between Burns temperature and remanent polarization. Journal of Applied Physics, 127 (14). p. 144102. ISSN 0021-8979

T, Karthik and Rayaprol, Sudhindra and Siruguri, Vasudeva and Asthana, Saket (2020) Origin of enhanced piezoelectric properties revealed through electric field driven studies in 0.94(Na0.5Bi0.5TiO3)−0.06(Ba0.85Ca0.15Ti0.9Zr0.1O3) ceramics. Journal of Applied Physics, 127 (13). p. 134102. ISSN 0021-8979

Karthik, T and Rayaprol, S and Siruguri, V and Asthana, Saket (2020) Origin of enhanced piezoelectric properties revealed through electric field driven studies in 0.94(Na0.5Bi0.5TiO3)−0.06(Ba0.85Ca0.15Ti0.9Zr0.1O3) ceramics. Journal of Applied Physics, 127.

Patri, Tirupathi and Patangi, Ramakrishna and Asthana, Saket and et al, . (2020) Effect of W/Co co-substitution on structural, microstructural, magnetic and electrical properties of Bi4NdFeTi3O15 aurivillius compound. Journal of Materials Science: Materials in Electronics, 31 (2). pp. 1-11. ISSN 0957-4522

Vadnala, Sudharshan and Asthana, Saket and Srivastava, Neeta B (2020) Nature of correlated polaron hopping mechanism in A-site cation disorder Nd0.7−xLaxSr0.3MnO3 (x = 0.0, 0.1, 0.2 and 0.3) manganites. Applied Physics A. pp. 126-155. ISSN 0947-8396

Durga Rao, T. and Mishra, Arpita and Sattibabu, Bhumireddi and Banerjee, Krishnarjuna and Asthana, Saket and Satya Narayana Murthy, V. and Arout Chelvane, J. (2020) Structural and magnetic properties of Ba and Sn co-substituted bismuth ferrite. In: 2nd International Conference on Recent Trends in Metallurgy, Materials Science and Manufacturing, IMME, 27-28 December 2019, Tamil Nadu; India.

Asthana, Saket (2019) IIT-Hyderabad working on early detection of malfunctioning implants. telanganatoday.

Asthana, Saket (2019) IIT Hyderabad Researchers Developing New Eco-Friendly Technologies. Businessworld.

Asthana, Saket (2019) IIT-Hyderabad researchers make a mark. Deccan Chronicle.

Asthana, Saket (2019) IIT Hyderabad working on tech to detect early malfunctioning implants. The New Indian Express.

Asthana, Saket and IIT, Hyderabad (2019) IIT-Hyderabad developing tech for bio-compatible implants. The Hindu.

Raavi, Sai Santosh Kumar and Asthana, Saket and Cilaveni, Goutham et. al (2019) Control over relaxor, piezo-photocatalytic and energy storage properties in Na0.5Bi0.5TiO3 via processing methodologies. Journal of Alloys and Compounds. ISSN 09258388

Banerjee, Krishnarjuna and Alvi, Syed Baseeruddin and Rengan, Aravind Kumar and Asthana, Saket (2019) Investigation on the discharge energy storage density of the Rb substituted Na 0.5 Bi 0.5 TiO 3 relaxor ferroelectric and its suitability for the orthopedic application. Journal of the American Ceramic Society. ISSN 0002-7820

Kandula, Kumara Raja and Patri, Tirupathi and Asthana, Saket (2019) Nd 3+ and Nb 5+ Co‐Substitution Inducing a Large Electrocaloric Response in Na 0.5 Bi 0.5 TiO 3 Lead‐Free Ceramics. physica status solidi (b). ISSN 0370-1972

Goutham, Cilaveni and Raavi, Sai Santosh Kumar and Asthana, Saket (2019) Particle size dependent properties of Na0.5Bi0.5TiO3 synthesized using hydrothermal technique. AIP Conference Proceedings, 2082 (1). ISSN 0094-243X

Goutham, Cilaveni and Raavi, Sai Santosh Kumar and Asthana, Saket (2019) Particle size dependent properties of Na0.5Bi0.5TiO3 synthesized using hydrothermal technique. In: AIP Conference Proceedings 2082.

Durga Rao, Tadisetti and Sattibabu, Bhumireddi and Asthana, Saket (2019) Predicting High Magneto‐Electric Coupling in Gd Substituted BiFeO 3. physica status solidi (b). ISSN 0370-1972

Singh, Nishant and Asthana, Saket (2019) Synthesis of the A and B-site disordered lead free relaxor ferroelectric for higher recoverable energy storage density. Masters thesis, Indian institute of technology Hyderabad.

Kandula, Kumara Raja and Raavi, Sai Santosh Kumar and Asthana, Saket (2018) Correlation between structural, ferroelectric and luminescence properties through compositional dependence of Nd3+ ion in lead free Na0.5Bi0.5TiO3. Journal of Alloys and Compounds, 732. pp. 233-239. ISSN 0925-8388

Raju, Karri and Kandula, Kumara Raja and Asthana, Saket and Patri, Tirupathi (2018) Effect of La3+-donor substitution on structural, micro structural, dielectric and ferroelectric characteristics of BLNT-BZT solid solutions. Phase Transitions. pp. 1-12. ISSN 0141-1594 (In Press)

Raavi, Sai Santosh Kumar and Asthana, Saket and Kandula, K R and et al, . (2018) Electric-field induced controllable Photoluminescence in rare-earth doped lead- free piezoelectric ceramics - towards paradigm shift in ceramic photonics,. In: OSI symposium,, 19-22 September 2018., symposium, IIT Kanpur.

Kandula, Kumara Raja and Banerjee, Krishnarjuna and Raavi, Sai Santosh Kumar and Asthana, Saket (2018) Enhanced Electrocaloric Effect and Energy Storage Density of Nd-Substituted 0.92NBT-0.08BT Lead Free Ceramic. Physica Status Solidi (a), 215 (7). ISSN 1862-6300

Yanamandra, Radha and Kandula, Kumara Raja and Bandi, Posidevi and Reddy, H Satish Kumar and Asthana, Saket and Patri, Tirupathi (2018) Enhanced energy storage density in lead free (Na0.5Bi0.48Eu0.02)Ti1-xNbxO3(x=0.00, 0.01 & 0.02) ceramics. AIP Conference Proceedings, 1953 (050067). pp. 1-5. ISSN 0094-243X

Rao, T Durga and Kandula, Kumara Raja and Asthana, Saket (2018) Evidence of suppressed oxygen vacancies in Sm and Sc co-substituted BiFeO3. AIP Conference Proceedings, 1953. pp. 1-5. ISSN 0094-243X

Kandula, Kumara Raja and Raavi, Sai Santosh Kumar and Asthana, Saket (2018) Improved electrical and photoluminescence properties in Nd substitution of 0.94(Na0.5Bi0.5TiO3)-0.06BaTiO3 lead free multi-functional ceramics. Advanced Materials Letters, 9 (09). pp. 656-659. ISSN 09763961

Goutham, Cilaveni and Kandula, Kumara Raja and Raavi, Sai Santosh Kumar and Asthana, Saket (2018) Improved ferroelectric and photoluminescence properties in Pr3+ substituted Na0.5Bi0.5TiO3 synthesized using hydrothermal route. AIP Conference Proceedings, 1942. 050130. ISSN 0094-243X

T, Durga Rao and Kandula, Kumara Raja and Kumar, Abhinav and Asthana, Saket (2018) Improved magnetization and reduced leakage current in Sm and Sc co-substituted BiFeO3. Journal of Applied Physics, 123 (24). p. 244104. ISSN 0021-8979

Vadnala, Sudharshan and Asthana, Saket (2018) Magnetocaloric effect and critical field analysis in Eu substituted La 0.7-x Eu x Sr 0.3 MnO 3 (x = 0.0, 0.1, 0.2, 0.3) manganites. Journal of Magnetism and Magnetic Materials, 446. pp. 68-79. ISSN 0304-8853

Kandula, Kumara Raja and Asthana, Saket and Raavi, Sai Santosh Kumar (2018) Multifunctional Nd3+ substituted Na0.5Bi0.5TiO3 as lead-free ceramics with enhanced luminescence, ferroelectric and energy harvesting properties. RSC Advances, 8 (28). pp. 15282-15289. ISSN 2046-2069

Karthik, T and Radhakrishanan, Dhanya and Narayana, Chandrabhas and Asthana, Saket (2018) Nature of electric field driven ferroelectric phase transition in lead-free Na 1/2 Bi 1/2 TiO 3 : In-situ temperature dependent ferroelectric hysteresis and Raman scattering studies. Journal of Alloys and Compounds, 732 (25). pp. 945-951. ISSN 0925-8388

Banerjee, Krishnarjuna and Asthana, Saket and P, Karuna Kumari and Niranjan, Manish K (2018) Optimum discharge energy density at room temperature in relaxor K_1/2Bi_1/2TiO₃ for green energy harvesting. Journal of Physics D: Applied Physics, 51 (11). ISSN 0022-3727 (Submitted)

Niranjan, Manish K and P, Karuna Kumari and Banerjee, Krishnarjuna and Asthana, Saket (2018) Randomly arranged cation-ordered nanoregions in lead-free relaxor ferroelectric K1/2Bi1/2TiO3: Prediction from first-principles study. Journal of Applied Physics, 123 (24). p. 244106. ISSN 0021-8979

Kimidi, Siva Shankar and Mallikarjuna, Ch and Asthana, Saket (2018) Research Archive of Indian Institute of Technology, Hyderabad (RAIITH). Informatics Studies, 5 (1). pp. 52-60. ISSN 2320-530X

Kandula, Kumara Raja and Asthana, Saket and Raavi, Sai Santosh Kumar (2018) Structural, Electrical and Optical properties of rare earth Nd and Eu substitution in lead free Na0.5Bi0.5TiO3 based ferro/piezoelectric ceramics. PhD thesis, Indian Institute of Technology Hyderabad.

Kandula, Kumara Raja and Beanerjee, Krishnarjun and Raavi, Sai Santosh Kumar and Asthana, Saket (2018) A lead free 0.96(Na0.5Bi0.49Nd0.01TiO3) -0.04BaTiO3 piezoceramic for possible optoelectronic device applications. AIP Conference Proceedings, 1942. pp. 1-5. ISSN 0094-243X

Madhav Kumar, V and Srinivas, A and Talapatra, A and Asthana, Saket and Mohanty, J and Kamat, S V (2017) Effect of deposition temperature on structural, microstructural and magnetic properties of CoFe2O4 thin films deposited by pulsed laser deposition. Journal of Materials Science: Materials in Electronics, 28 (1). pp. 446-453. ISSN 0957-4522

K, Ganga Prasad and Niranjan, Manish K and Asthana, Saket (2017) Electronic structure, vibrational and thermoelectric properties of AgTaO3: A first-principles study. Journal of Alloys and Compounds, 696. pp. 1168-1173. ISSN 0925-8388

Karthik, T and Asthana, Saket (2017) Enhanced mechanical and ferroelectric properties through Grain size refinement in site specific substituted lead free Na0.5-xKxBi0.5TiO3 (x = 0 – 0.10) ceramics. Materials Letters, 190. pp. 273-275. ISSN 0167-577X

Kandula, K R and Raavi, Sai Santosh Kumar and Asthana, Saket (2017) Enhancement in the structural, electrical and optical properties by substitution of lanthanides (Nd3+ and Eu3+) in lead free Na0.5Bi0.5 TiO3 ceramics. Ferroelectrics, 518 (1). pp. 23-30. ISSN 0015-0193 (In Press)

Asthana, Saket and Rao, T Durga (2017) Observation of bond enthalpy dependence of insulating character in rare earth substituted BiFeO3. Materials Research Express. ISSN 2053-1591 (In Press)

Bhirkad, Mahesh Parmeshwar and Pawar, Parag D and Asthana, Saket (2017) Optimization of Chemical parameters to develop lead free piezoelectric films for energy harvesting applications. Masters thesis, Indian Institute of Technology Hyderabad.

Thangavelu, K and Asthana, Saket (2017) Polarization extension mechanism revealed through dynamic ferroelectric hysteresis and electric field driven structural distortions in lead free Na0.5Bi0.5TiO3 ceramics. Journal of Physics D: Applied Physics, 50 (38). ISSN 0022-3727

Kimidi, Siva Shankar and Mallikarjuna, Ch and Asthana, Saket (2017) RAIITH: Institutional Repository at IIT Hyderabad and its impact in scientific community. In: Proceedings of National Conferenece on Library Innovations for Excellence(LIFE). IISER, Pune, pp. 1-20. ISBN 81-7019-569-2

Kerketta, Satyajit and Asthana, Saket (2017) Synthesis and Characterizations of Nd-Substituted NBT by hydrothermal process (Na0.5Bi0.5-xNdxTiO3) (X=0,0.01). Masters thesis, Indian Institute of Technology Hyderabad.

G, Thirupathi and Kandula, Kumara Raja and Raavi, Sai Santosh Kumar and Asthana, Saket (2017) The effect on electrical and luminescent properties in nanocrystalline Na_0.5Bi_0.5-xNd_xTiO₃. Materials Research Express, 4 (9). 095019. ISSN 2053-1591

Prasad, K g and Niranjan, Manish K and Asthana, Saket (2017) The electrical properties and relaxation behavior of AgNb1/2Ta1/2O3 ceramic. Physica B: Condensed Matter, 506. pp. 42-47. ISSN 0921-4526

Kotagiri, G P and Niranjan, Manish K and Asthana, Saket and Karthikeyan, R (2016) Investigation of Raman Modes and Born-Effective Charges in AgNb1/2Ta1/2O3: A Density-Functional and Raman Scattering Study. Journal of the American Ceramic Society, 99 (1). pp. 332-339. ISSN 0002-7820

Vadnala, S and Asthana, Saket and Pal, Prem (2016) Investigation of near room temperature magnetocaloric, magnetoresistance and bolometric properties of Nd0.5La0.2Sr0.3MnO3: Ag2O manganites. Journal of Materials Science: Materials in Electronics, 27 (6). pp. 6156-6165. ISSN 0957-4522

Raavi, Sai Santosh Kumar and Asthana, Saket (2016) Novel Strategies to improve physical properties in Eco-friendly energy harvesting smart materials for IoT. In: SANKEN International Nanotechnology Symposium on "Molecular Technology Frontiers towards IoT world", 12, December 2016, Osaka, Japan.

Asthana, Saket (2016) Strategies to Improve Physical Properties in Eco-Friendly Materials through Cation Engineering. In: International Conference on New Scintillations on Materials Horizon(ICNSMH), 21-23 October, 2016, M.J.P.Rohilkhand University, Bareilly, India.

Roy, S and Maharana, R and Reddy, S R and Singh, S and Kumar, P and Karthik, T and Asthana, Saket and Prasad, V V B and Kamat, S V (2016) Structural, ferroelectric and piezoelectric properties of chemically processed, low temperature sintered piezoelectric BZT–BCT ceramics. Materials Research Express, 3 (3). ISSN 2053-1591

Oditya, Krishna Kant and Asthana, Saket and Niranjan, Manish K (2016) Synthesis And Characterization of ferroelectric material (Na0.5Bi0.5)TiO3- Eu2O3. Masters thesis, Indian Institute of Technology Hyderabad.

Kayal, Soubhik and Asthana, Saket (2016) Synthesis and characterization of Na0.5Bi0.44Ba0.06TiO3 and Na0.5Bi0.44Ca0.06TiO3 ceramics system. Masters thesis, Indian Institute of Technology Hyderabad.

K, Ganga Prasad and Niranjan, Manish K and Asthana, Saket (2016) Theoretical and Experimental investigation of structural, vibrational and ferroic properties of AgNbO3 and AgNb1/2 Ta1/2O3 systems. PhD thesis, Indian Institute of Technology Hyderabad.

Prasad, K Ganga and Niranjan, Manish K and Asthana, Saket (2016) The structural and electronic properties of cubic AgMO3 (M=Nb, Ta) by first principles calculations. In: AIP Conference Proceedings 1728, 2016.

Gangaprasad, K. and Rao, T. Durga and Niranjan, Manish K. and Asthana, Saket (2015) Microstructural studies of AgNbO3 ceramic by using complex impedance spectroscopy. In: 59th DAE Solid State Physics Symposium, SSPS 2014, 16-20 December 2014, VIT UniversityVellore, Tamilnadu; India.

Rao, T. Durga and Tangavelua, Karthik and Asthana, Saket (2015) The impedance and conductivity studies on BiFeO3 and 0.90BiFeO3-0.10Bi0.5Na0.5TiO3 ceramics. In: 59th DAE Solid State Physics Symposium, 16-20 December 2014, VIT University Vellore, Tamilnadu; India.

Vadnala, S and Asthana, Saket and Pal, Prem and S, Srinath (2015) Effect of A-site ionic size variation on TCR and electrical transport properties of (Nd0.7-xLax)0.7Sr0.3MnO3 with x = 0, 0.1 and 0.2. IOP Conference Series: Materials Science and Engineering, 73. pp. 1-5. ISSN 1757-8981

Thangavelu, K and T, Durga Rao and A, Srinivas and Asthana, Saket (2015) Effect of local strain fields on the structural, Néel transition temperature and long range ferroelectric ordering in rare earth substituted Bi0.9 R0.1 FeO3 multiferroic ceramics (where, R = Gd3+ , Tb3+ , Dy3+ ). Journal of Materials Science: Materials in Electronics, 26 (11). pp. 8676-8687. ISSN 0957-4522

Praveen, J P and Karthik, T and James, A R and Chandrakala, E and Asthana, Saket and Das, D (2015) Effect of poling process on piezoelectric properties of sol-gel derived BZT-BCT ceramics. Journal of the European Ceramic Society, 35 (6). pp. 1785-1798. ISSN 0955-2219

A, Srinivas and R V, Krishnaiah and V L, Niranjani and Kamat, S V and Karthik, T and Asthana, Saket (2015) Ferroelectric, piezoelectric and mechanical properties in lead free (0.5)Ba(Zr0.2Ti0.8)O3–(0.5)(Ba0.7Ca0.3)TiO3 electroceramics. Ceramics International, 41 (2A). pp. 1980-1985. ISSN 0272-8842

Thangavelu, K and Rayaprol, S and Siruguri, V and Sastry, P U and Asthana, Saket (2015) Global and local structural variations near the antiferroelectric regime. AIP Conference Proceedings, 1665 (030030). ISSN 0094-243X

Vadnala, S and Pal, Prem and Asthana, S (2015) Influence of A-site cation disorder on structural and magnetocaloric properties of Nd0.7–xLaxSr0.3MnO3 (x=0.0, 0.1, 0.2 & 0.3). Journal of Rare Earths, 33 (10). pp. 1072-1080. ISSN 1002-0721

Niranjan, Manish K and K, Ganga Prasad and Asthana, Saket and Rayapol, S and Siruguri, V (2015) Investigation of structural, vibrational and ferroic properties of AgNbO3 at room temperature using neutron diffraction, Raman scattering and density-functional theory. Journal of Physics D: Applied Physics, 48 (21). ISSN 0022-3727

T, Durga Rao and Asthana, Saket (2015) Investigation on Physical Properties of Site Specific Substituted BiFeO3. PhD thesis, Indian Institute of Technology Hyderabad.

Mondal, Soumita and Asthana, Saket (2015) Investigations of Structural and Optical Properties On Pr0.7Sr0.3MnO3/ Gd0.7Sr0.3MnO3/ Dy0.7Sr0.3MnO3. Masters thesis, Indian Institute of Technology Hyderabad.

K, Gangaprasad and T, Durga Rao and Niranjan, Manish K and Asthana, Saket (2015) Microstructural studies of AgNbO3 ceramic by using complex impedance spectroscopy. In: SOLID STATE PHYSICS: Proceedings of the 59th DAE Solid State Physics Symposium 2014, 16–20 December 2014, Tamilnadu, India.

Thangavelu, K and Asthana, Saket (2015) Monoclinic Cc-phase stabilization in magnetically diluted lead free Na1/2Bi1/2TiO3—Evolution of spin glass like behavior with enhanced ferroelectric and dielectric properties. Materials Research Express, 2 (9). 096301. ISSN 2053-1591

T, Durga Rao and Asthana, Saket and Niranjan, Manish K (2015) Observation of coexistence of ferroelectric and antiferroelectric phases in Sc substituted BiFeO3. Journal of Alloys and Compounds, 642. pp. 192-199. ISSN 0925-8388

Sahu, M and Thangavelu, K and Adiraj, S and Asthana, Saket (2015) Structural and microstructural correlation with ferroelectric and dielectric properties of nanostructured Na0.5 Bi0.5 TiO3 ceramics. Journal of Materials Science: Materials in Electronics, 26 (12). pp. 9741-9746. ISSN 0957-4522

Kumar, Abhinav and Asthana, Saket (2015) Synthesis and characterization of BaTiO3/CoFe2O4 bulk magneto-electric composite system. Masters thesis, Indian Institute of Technology Hyderabad.

T, Durga Rao and Tangavelua, K and Asthana, Saket (2015) The impedance and conductivity studies on BiFeO3 and 0.90BiFeO3-0.10Bi0.5Na0.5TiO3 ceramics. In: SOLID STATE PHYSICS: Proceedings of the 59th DAE Solid State Physics Symposium 2014, 16–20 December 2014, Tamilnadu, India.

Dutta, Biswajit and Niranjan, Manish K and Asthana, Saket (2014) Dielectric Studies of Agta0.5Nb0.5O3. Masters thesis, Indian Institute of Technology Hyderabad.

Krishnaiah, R V and Srinivas, A and Kamat, S V and Karthik, T and Asthana, Saket (2014) Effect of CoFe2O4 mole percentage on multiferroic and magnetoelectric properties of Na0.5Bi0.5TiO 3/CoFe2O4 particulate composites. Ceramics International, 40 (6). pp. 7799-7804. ISSN 0272-8842

Asthana, Saket and Fujiwara, K and Tanaka, K (2014) Electrical switching to probe complex phases in a frustrated manganite. Solid State Communications, 187. pp. 64-67. ISSN 0038-1098

Vadnala, S and Asthana, Saket and Pal, P (2014) Enhanced TCR with Room Temperature TMI for Potential Application in Microbolometer. In: Physics of Semiconductor Devices. Environmental Science and Engineering . Springer International Publishing, pp. 499-501. ISBN 9783319030012

Durga Rao, T and Ramadurai, Ranjit and Asthana, Saket (2014) Enhanced magnetization and improved insulating character in Eu substituted BiFeO3. Journal of Applied Physics, 115 (12). ISSN 0021-8979

Durga Rao, T and A, Kumari and Niranjan, Manish K and Asthana, Saket (2014) Enhancement of magnetic and electrical properties in Sc substituted BiFeO3 multiferroic. Physica B: Condensed Matter, 448. pp. 267-272. ISSN 0921-4526

Thangavelu, K and Ramadurai, Ranjit and Asthana, S (2014) Evidence for the suppression of intermediate anti-ferroelectric ordering and observation of hardening mechanism in Na1/2Bi 1/2TiO3 ceramics through cobalt substitution. AIP Advances, 4. pp. 1-9. ISSN 2158-3226

Karthik, T and Ramadurai, Ranjit and Asthana, Saket (2014) Evidence for the suppression of intermediate anti-ferroelectric ordering and observation of hardening mechanism in Na1/2Bi1/2TiO3 ceramics through cobalt substitution. AIP Advances, 4. ISSN 2158-3226

Durga Rao, T and Asthana, Saket (2014) Evidence of improved ferroelectric phase stabilization in Nd and Sc co-substituted BiFeO3. Journal of Applied Physics, 116. pp. 1-9. ISSN 0021-8979

Sudharshan, V and Asthana, Saket and Pal, Prem (2014) Experimental Investigation on High TCR Manganites at Room Temperature for Uncooled Microbolometer Applications. In: International Conference on Advance Trends in Engineering & Technology (ICATET-2014), 18-19 April 2014, Jaipur Rajasthan, India.

Praveen, J P and Kumar, K and James, A R and Karthik, T and Asthana, Saket and Das, D (2014) Large piezoelectric strain observed in sol-gel derived BZT-BCT ceramics. Current Applied Physics, 14 (3). pp. 396-402. ISSN 1567-1739

Vadnala, S and Durga Rao, T and Pal, Prem and Asthana, S (2014) Study of structural effect on Eu-substituted LSMO manganite for high temperature coefficient of resistance. Physica B: Condensed Matter, 448. pp. 277-280. ISSN 0921-4526

Vadnala, S and Asthana, Saket and Pal, Prem (2014) Tunable Magnetocaloric effect, temperature coefficient of resistance and magnetoresistance near room temperature for different sensors applications. In: 7th Asia-pacific Conference on Transducers and Micro-Nano Technology(APCOT), 29 June-2 July 2014, Daegu Korea.

Karthik, T and Asthana, Saket (2013) Evolution of multifunctional behavior in site specific cation substituted Na0.5Bi0.45Gd0.05Ti0.95Mn0.05O3 ceramics. Journal of the Korean Physical Society, 62 (12). pp. 1979-1984. ISSN 0374-4884

Rao, T D and Karthik, T and Asthana, Saket (2013) Investigation of structural, magnetic and optical properties of rare earth substituted bismuth ferrite. Journal of Rare Earths, 31 (4). pp. 370-375. ISSN 1002-0721

Rao, T D and Asthana, Saket (2013) Investigations of Electrical Properties of Nd Substituted Bifeo3 Multiferroic Ceramics. In: International Conference on Recent Trends in Applied Physics and Material Science, RAM 2013, 1-2, February 2013, Bikaner, Rajasthan; India;.

Niranjan, Manish K and Karthik, T and Asthana, Saket and Pan, J and Waghmare, U V (2013) Theoretical and experimental investigation of Raman modes, ferroelectric and dielectric properties of relaxor Na0.5Bi0.5TiO3. Journal of Applied Physics, 13 (194106). pp. 1-7. ISSN 0021-8979

Kumari, Anita and Asthana, Saket (2013) To Induce Multiferroic Behavior in a Lead-Free Ferro/Piezoelectric Na0.5Bi0.5tio3 (NBT)/Co0.025 System through Site Specific Cation Engineering. Masters thesis, Indian Institute of Technology Hyderabad.

Srinivas, A and Krishnaiah, R V and Karthik, T and Suresh, P and Asthana, Saket and Kamath, S V (2012) Observation of direct and indirect magnetoelectricity in lead free ferroelectric (Na 0.5Bi 0.5TiO 3)-magnetostrictive (CoFe 2O 4) particulate composite. Applied Physics Letters, 101 (8). ISSN 0003-6951

Letard, J F and Asthana, Saket and Shepherd, H J and Guionneau, P and Goeta, A E and Suemura, N and Ishikawa, R and Kaizaki, S (2012) Photomagnetism of a sym-cis-dithiocyanato iron(II) complex with a tetradentate N,N'-bis(2-pyridylmethyl)1,2-ethanediamine ligand. Chemistry - A European Journal, 18 (19). pp. 5924-5934. ISSN 0947-6539

Niranjan, Manish K and Asthana, Saket (2012) First principles study of lead free piezoelectric AgNbO 3 and (Ag 1-xK x)NbO 3 solid solutions. Solid State Communications, 152 (17). pp. 1707-1710. ISSN 0038-1098

Durga Rao, T and Karthik, T and Srinivas, A and Asthana, Saket (2012) Study of structural, magnetic and electrical properties on Ho-substituted BiFeO 3. Solid State Communications, 152 (23). pp. 2071-2077. ISSN 0038-1098

Asthana, Saket (2011) Effect of cobalt substitution on magnetic and transport properties of Nd0·5Sr0·5Mn1−x Co x O3 (x = 0·1, 0·3 and 0·5). Bulletin of Materials Science, 34 (2). pp. 279-282. ISSN 0250-4707

Misra, S K and Andronenko, S I and Asthana, Saket and Bahadur, D (2010) A variable temperature EPR study of the manganites (La1/3Sm 2/3)2/3SrxBa0.33-xMnO3 (x=0.0, 0.1, 0.2, 0.33): Small polaron hopping conductivity and Griffiths phase. Journal of Magnetism and Magnetic Materials, 322 (19). pp. 2902-2907. ISSN 0304-8853