Items where Author is "De, Arnab"

Kumar, Naveen ; Mishra, Anupam ; De, Arnab ; Shankar, Uma ; Ranjan, Rajeev (2020) Factors contributing to the local polar-structural heterogeneity and ultrahigh piezoelectricity in Sm-modified Pb(Mg1/3Nb2/3)O3–PbTiO3 Journal of Physics D: Applied Physics, 53 (16). p. 165302. ISSN 0022-3727

De, Arnab ; Ranjan, Rajeev (2020) Large structural heterogeneity in submicrometer BaTiO3 revealed via Eu⁺³ photoluminescence study Journal of Applied Physics, 128 (12). p. 124104. ISSN 0021-8979

De, Arnab ; Ranjan, Rajeev (2020) Large temperature tuning of the emission color of a phosphor by dual use of Raman and photoluminescence signals Materials Horizons, 7 (4). pp. 1101-1105. ISSN 2051-6347

Saha, Sujoy ; Singh, Ram Prakash ; Kumar, Avinash ; De, Arnab ; Pandey, Prafull ; Narayan, Bastola ; Basumatary, Himalay ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2020) Magnetic enhancement of ferroelectric polarization in a particulate multiferroic composite derived in situ via additive assisted sintering of a pseudo ternary alloy system BiFeO₃–PbTiO₃–DyFeO₃ Applied Physics Letters, 116 (14). p. 142902. ISSN 0003-6951

Das Adhikary, Gobinda ; Khatua, Dipak Kumar ; Mishra, Anupam ; De, Arnab ; Kumar, Naveen ; Saha, Sujoy ; Shankar, Uma ; Senyshyn, Anatoliy ; Rao, Badari Narayana ; Ranjan, Rajeev (2019) Increasing intervention of nonferroelectric distortion and weakening of ferroelectricity at the morphotropic phase boundary in Na_0.5Bi_0.5TiO₃−BaTiO₃ Physical Review B: Condensed Matter and Materials Physics, 100 (13). ISSN 2469-9950

Mishra, Anupam ; Khatua, Dipak Kumar ; De, Arnab ; Ranjan, Rajeev (2019) Off-stoichiometry, structural-polar disorder and piezoelectricity enhancement in pre-MPB lead-free Na_0.5Bi_0.5TiO₃-BaTiO₃ piezoceramic Journal of Applied Physics, 125 (21). p. 214101. ISSN 0021-8979

Mishra, Anupam ; Khatua, Dipak Kumar ; De, Arnab ; Majumdar, Bhaskar ; Frömling, Till ; Ranjan, Rajeev (2019) Structural mechanism behind piezoelectric enhancement in off-stoichiometric Na_0.5Bi_0.5TiO₃ based lead-free piezoceramics Acta Materialia, 164 . pp. 761-775. ISSN 1359-6454

De, Arnab ; Ranjan, Rajeev (2018) Synergistic role of poling in enhancing structural heterogeneity in perovskite piezoelectrics Physical Review B: Condensed Matter and Materials Physics, 98 (9). ISSN 2469-9950