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Number of items: 43.

Article

Madhav Kumar, V and Srinivas, A and Talapatra, A and Asthana, S 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, M K and Asthana, S (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, S (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

Thangavelu, K and Asthana, S (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. ISSN 0022-3727 (In Press)

Prasad, K g and Niranjan, M K and Asthana, S (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, M K and Asthana, S 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, S and Pal, P (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

Roy, S and Maharana, R and Reddy, S R and Singh, S and Kumar, P and Karthik, T and Asthana, S 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

Vadnala, S and Asthana, S and Pal, P 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, S (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, S 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, S (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, S (2015) Global and local structural variations near the antiferroelectric regime. AIP Conference Proceedings, 1665 (030030). ISSN 0094-243X

Vadnala, S and Pal, P 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, M K and K, Ganga Prasad and Asthana, S 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

Thangavelu, K and Asthana, S (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, S and Niranjan, M 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, S (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

Krishnaiah, R V and Srinivas, A and Kamat, S V and Karthik, T and Asthana, S (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, S 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

Durga Rao, T and Ramadurai, R and Asthana, S (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, M K and Asthana, S (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, R 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

Durga Rao, T and Asthana, S (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

Praveen, J P and Kumar, K and James, A R and Karthik, T and Asthana, S 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, P 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

Karthik, T and Asthana, S (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, S (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

Niranjan, M K and Karthik, T and Asthana, S 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

Srinivas, A and Krishnaiah, R V and Karthik, T and Suresh, P and Asthana, S 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, S 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, M K and Asthana, S (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, S (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, S (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, S 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

Book Section

Kimidi, Siva Shankar and Mallikarjuna, Ch and Asthana, S (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

Vadnala, S and Asthana, S 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

Conference or Workshop Item

Kandula, K R and Raavi, S S K and Asthana, S (2016) Enhancement in the structural, electrical and optical properties by substitution of lanthanides (Nd3+ and Eu3+) in lead free Na0.5Bi0.5 TiO3 ceramics. In: International Conference on Technologically Advanced Materials & Asian Meeting on Ferroelectrics ICTAM-AMF10). (In Press)

Raavi, S S K and Asthana, S (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, S (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.

K, Gangaprasad and T, Durga Rao and Niranjan, M K and Asthana, S (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.

T, Durga Rao and Tangavelua, K and Asthana, S (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.

Rao, T D and Asthana, S (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;.

This list was generated on Tue Aug 29 15:00:51 2017 IST.