Search Results - "ASTHANA, Saket"

Investigation on energy storage properties and thermally stable dielectric constant for high temperature electronic device applications in the holmium substituted Na0.5Bi0.5TiO3 by Kumar, Abhinav, Asthana, Saket

“…In the recent time, technological advancements in high temperature devices lead to demand of dielectric ceramics with stable dielectric value at high…”
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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 by Krishnarjun Banerjee, Saket Asthana

“…In this work, the dependency of the polarization (P) - electric field (E) loop area A of lead free ferroelectrics Na0.5Bi0.5TiO3 (NBT), K0.5Bi0.5TiO3 (KBT),…”
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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 by Vadnala, Sudharshan, Srivastava, Neeta B., Asthana, Saket

“…The structural, transport and magnetic properties of Nd 0.7− x La x Sr 0.3 MnO 3 (for x  = 0.0, 0.1, 0.2, 0.3) manganite prepared by solid-state route were…”
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Investigation of structural, magnetic and optical properties of rare earth substituted bismuth ferrite by Rao, T. Durga, Karthik, T., Asthana, Saket

“…Polycrystalline BiFeO3 and rare earth substituted Bio.gRo.lFeO3 （BRFO, R=Y, Ho and Er） compounds were prepared by rapid solid state sintering technique…”
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Control over relaxor, piezo-photocatalytic and energy storage properties in Na0.5Bi0.5TiO3 via processing methodologies by Cilaveni, Goutham, Ashok Kumar, K.V., Raavi, Sai Santosh Kumar, Subrahmanyam, Ch, Asthana, Saket

“…Comprehensive investigations on the effect of mechanical and chemical processing techniques on structural, electrical and photocatalytic properties of single…”
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Structural, optical and multiferroic properties of (1-x)BiFeO3-xNa0.5Bi0.5TiO3, x = 0.00, 0.05, 0.10 and 0.15 by Sudhadhar, M., Rao, T. Durga, Lakshmi, Ch. Komala, Bhavani, G., Pal, B. Munendra, Sattibabu, B., Naidu, K. Lakshun, Bharadwaj, S., Sudharshan, V., Karthik, T., Asthana, Saket

“…The polycrystalline (1-x)BiFeO 3 -xNa 0.5 Bi 0.5 TiO 3 , x = 0.00, 0.05, 0.10 and 0.15, ceramics were prepared using conventional solid-state route. The…”
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Observation of electrocaloric effect, thermal energy harvesting and energy storage density capabilities in Eu3+ and Nb5+ co-substituted lead-free Na0.5Bi0.5TiO3 ceramics by Kandula, Kumara Raja, Yanamandra, Radha, Posidevi bandi, Asthana, Saket, Patri, Tirupathi

“…Here, we present a collective prospective application that includes electrocaloric effect, thermal energy harvesting and energy storage density in Eu3+and…”
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Observation of normal and reverse magnetocaloric effect in Ho and Sc co-substituted BiFeO3 by Durga Rao, T., Vadnala, Sudharshan, Sattibabu, Bhumireddi, Asthana, Saket

“…Polycrystalline BiFeO 3 and Bi 0.90 Ho 0.10 Fe x Sc 1− x O 3 ( x  = 0, 0.05 and 0.10) compounds were prepared using solid-state reaction method. The structural…”
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Effect of W/Co co-substitution on structural, microstructural, magnetic and electrical properties of Bi4NdFeTi3O15 aurivillius compound by Patri, Tirupathi, Patangi, Ramakrishna, Kandula, Kumara Raja, Banerjee, Krishnarjun, Asthana, Saket, Babu, P. D.

“…Here, in this paper, we have reported the structural, microstructural, optical, ferroelectric and magnetic properties of Nd and W/Co co-substituted Bi 4 NdTi…”
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Evidence for the suppression of intermediate anti-ferroelectric ordering and observation of hardening mechanism in Na1/2Bi1/2TiO3 ceramics through cobalt substitution by Thangavelu, Karthik, Ramadurai, Ranjith, Asthana, Saket

“…Co-ion (5 mol %) substitution in Na1/2Bi1/2TiO3 (NBT) host lattice and their effects on the structural, ferroelectric and dielectric behavior has been…”
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Electrical switching to probe complex phases in a frustrated manganite by Asthana, Saket, Fujiwara, Kohei, Tanaka, Hidekazu

“…Electrical switching was used to investigate complex phases induced by Cr-substitution in (Pr1/3Sm2/3)2/3Sr1/3MnO3. This system was expected to transform from…”
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Evolution of multifunctional behavior in site specific cation substituted Na0.5Bi0.45Gd0.05Ti0.95Mn0.05O3 ceramics by Karthik, T., Asthana, Saket

“…A novel multifunctional behavior was observed by site specific cation substitution in NBT ceramics prepared by conventional solid state reaction technique…”
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Magnetocaloric effect and critical field analysis in Eu substituted La0.7-xEuxSr0.3MnO3 (x=0.0, 0.1, 0.2, 0.3) manganites by Vadnala, Sudharshan, Asthana, Saket

“…•Crystal structure changes from rhombohedral (x=0.0) to orthorhombic (x≥0.1).•An enhancement in ΔSmmax is observed with the decrease in A-site average ionic…”
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Role of polar nanoregions in the enhancement of the recoverable energy storage density and electrostrictive coefficient in the lead free Na0.25K0.25Bi0.5TiO3 by Banerjee, Krishnarjun, Asthana, Saket

“…[Display omitted] •The Q33of NKBT-25 (0.022 m4/C2) is comparable to NKBT based binary ferroelectrics.•Room temperature positive strain without Sneg is achieved…”
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Investigations on structural, dielectric, and impedance properties of ecofriendly Ho3+ / Nb5+ co-substituted Na0.5 Bi0.5TiO3 by Kumar, Abhinav, Asthana, Saket

“…The lead-free, 0.5 mol% of Ho3+ substituted Na0.5 Bi0.5TiO3 (Na0.5Bi0.495Ho0.005TiO3) has been modified by Nb+5 substitution at the Ti-site to improve the…”
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Improved recoverable energy storage density, breakdown strength, and relaxor nature in eco-friendly K+1-ion rich NBT ferroelectrics by Sahu, Ranjan Kumar, Asthana, Saket

“…Eco-friendly lead-free polycrystalline Na0.5−x Kx Bi0.5TiO3 (x = 0.30,0.35,0.40,0.45) series were synthesized by the solid-state reaction method. The…”
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Enhanced mechanical and ferroelectric properties through grain size refinement in site specific substituted lead free Na0.5−xKxBi0.5TiO3 (x=0–0.10) ceramics by Karthik, T., Asthana, Saket

“…[Display omitted] •The K-ion, as a grain growth inhibitor reduced the grain size by 13-fold in NKBT-10.•The maximum softening of ∼43% in EC for NKBT-10 with…”
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Resolution of ambiguity between the depolarization and ferroelectric–relaxor transition temperature through dielectric studies in lead-free perovskite K0.5Bi0.5TiO3 by Banerjee, Krishnarjun, Asthana, Saket

“…Lead-free relaxor K0.5Bi0.5TiO3 (KBT) has been selected to measure its depolarization temperature (Td) and to establish the difference between the Td and the…”
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Enhanced magneto-electric properties and magnetodielectric effect in lead-free (1-x)0.94Na0.5Bi0.5TiO3-0.06BaTiO3–x CoFe2O4 particulate composites by Pal, Munendra, Srinivas, Adiraj, Asthana, Saket

“…•(1-x)NBBT-xCFO 0–3 composites have been synthesized by solid state reaction technique.•Structural and microstructural study reveals the co-existence of…”
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Investigations of energy storage and thermal stability properties in eco-friendly B-site substituted Na0.5Bi0.5TiO3 by Mev, Sumit Kumar, Banerjee, Krishnarjun, Asthana, Saket

“…In this work, (Mg1/3Nb2/3)4+ cationic substitution in lead-free polycrystalline Na0.5Bi0.5TiO3 (NBT) has been adopted to synthesize by the conventional…”
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