Items where Author is "Khatua, Dipak Kumar"

Article

Mishra, Anupam ; Khatua, Dipak Kumar ; Adhikary, Gobinda Das ; Kumar, Naveen ; Shankar, Uma ; Ranjan, Rajeev (2019) Finite-size-effect on a very large length scale in NBT-based lead-free piezoelectrics Journal of Advanced Dielectrics, 09 (05). p. 1950035. ISSN 2010-135X

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

Adhikary, Gobinda Das ; Khatua, Dipak Kumar ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2019) Long-period structural modulation on the global length scale as the characteristic feature of the morphotropic phase boundaries in the Na_0.5Bi_0.5TiO₃ based lead-free piezoelectrics Acta Materialia, 164 . pp. 749-760. ISSN 1359-6454

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

Das Adhikary, Gobinda ; Khatua, Dipak Kumar ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2019) Random lattice strain and its relaxation towards the morphotropic phase boundary of Na_0.5Bi_0.5TiO₃ -based piezoelectrics: Impact on the structural and ferroelectric properties Physical Review B: Condensed Matter and Materials Physics, 99 (17). ISSN 2469-9950

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

Khatua, Dipak Kumar ; Mishra, Anupam ; Kumar, Naveen ; Adhikary, Gobinda Das ; Shankar, Uma ; Majumdar, Bhaskar ; Ranjan, Rajeev (2019) A coupled microstructural-structural mechanism governing thermal depolarization delay in Na_0.5Bi_0.5TiO₃-based piezoelectrics Acta Materialia, 179 . pp. 49-60. ISSN 1359-6454

Khatua, Dipak Kumar ; Agarwal, Abhishek ; Mishra, Anupam ; Das Adhikary, Gobinda ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2018) Enhanced thermal stability of dielectric, energy storage, and discharge efficiency in a structurally frustrated piezoelectric system: Erbium modified _{Na0.5Bi0.5TiO}3-BaTiO₃ Journal of Applied Physics, 124 (10). p. 104101. ISSN 0021-8979

Kumar, Naveen ; Khatua, Dipak Kumar ; Mahale, Bhoopesh ; Ranjan, Rajeev (2018) Factors influencing the coupling between non-180° domain switching and lattice strain in perovskite piezoceramics Physical Review B: Condensed Matter and Materials Physics, 97 (13). ISSN 2469-9950

Pandey, Rishikesh ; Narayan, Bastola ; Khatua, Dipak Kumar ; Tyagi, Shekhar ; Mostaed, Ali ; Abebe, Mulualem ; Sathe, Vasant ; Reaney, Ian M. ; Ranjan, Rajeev (2018) High electromechanical response in the non morphotropic phase boundary piezoelectric system PbTiO₃−Bi(Zr_1/2Ni_1/2)O₃ Physical Review B: Condensed Matter and Materials Physics, 97 (22). ISSN 2469-9950

Khatua, Dipak Kumar ; Agarwal, Abhishek ; Ranjan, Rajeev (2018) Investigating the electrical conduction and relaxation phenomena in rare earth erbium doped lead free 0.94Na_0.5Bi_0.5TiO₃-0.06BaTiO₃ by impedance spectroscopy Journal of Applied Physics, 123 (7). 074102. ISSN 0021-8979

Khatua, Dipak Kumar ; Agarwal, Abhishek ; Kumar, Naveen ; Ranjan, Rajeev (2018) Probing local structure of the morphotropic phase boundary composition of Na_0.5Bi_0.5TiO₃–BaTiO₃ using rare-earth photoluminescence as a technique Acta Materialia, 145 . pp. 429-436. ISSN 1359-6454

Khatua, Dipak Kumar ; Mehrotra, Tarang ; Mishra, Anupam ; Majumdar, Bhaskar ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2017) Anomalous influence of grain size on the global structure, ferroelectric and piezoelectric response of Na_0.5Bi_0.5TiO₃ Acta Materialia, 134 . pp. 177-187. ISSN 1359-6454

Khatua, Dipak Kumar ; K. V., Lalitha ; Fancher, Chris M. ; Jones, Jacob L. ; Ranjan, Rajeev (2016) Anomalous reduction in domain wall displacement at the morphotropic phase boundary of the piezoelectric alloy system PbTiO₃−BiScO₃ Physical Review B: Condensed Matter and Materials Physics, 93 (10). ISSN 2469-9950

Khatua, Dipak Kumar ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2016) Long-period modulated structure and electric-field-induced structural transformation in Na_0.5Bi_0.5TiO₃ -based lead-free piezoelectrics Physical Review B: Condensed Matter and Materials Physics, 93 (13). ISSN 2469-9950

Khatua, Dipak Kumar ; Kalaskar, Abhijeet ; Ranjan, Rajeev (2016) Tuning Photoluminescence Response by Electric Field in Electrically Soft Ferroelectrics Physical Review Letters, 116 (11). ISSN 0031-9007

Kalyani, Ajay Kumar ; Khatua, Dipak Kumar ; Loukya, B. ; Datta, Ranjan ; Fitch, Andy N. ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2015) Metastable monoclinic and orthorhombic phases and electric field induced irreversible phase transformation at room temperature in the lead-free classical ferroelectric BaTiO₃ Physical Review B: Condensed Matter and Materials Physics, 91 (10). ISSN 1098-0121

Rao, Badari Narayana ; Khatua, Dipak Kumar ; Garg, Rohini ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2015) Structural crossover from nonmodulated to long-period modulated tetragonal phase and anomalous change in ferroelectric properties in the lead-free piezoelectric Na_1/2Bi_1/2TiO₃−BaTiO₃ Physical Review B: Condensed Matter and Materials Physics, 91 (21). ISSN 1098-0121