Items where Author is "Brajesh, Kumar"

Datta, K. ; Brajesh, Kumar ; Ranjan, Rajeev ; Mihailova, B. (2020) Adaptive dipolar correlation in ferroelectric x(Ba0.7Ca0.3)TiO3−(1−x)Ba(Zr0.2Ti0.8)O3 Physical Review B: Condensed Matter and Materials Physics, 102 (6). ISSN 2469-9950

Akbarzadeh, Alireza ; Brajesh, Kumar ; Nahas, Yousra ; Kumar, Naveen ; Prokhorenko, Sergei ; Swain, Diptikanta ; Prosandeev, Sergey ; Walter, Raymond ; Kornev, Igor ; Íñiguez, Jorge ; Dkhil, Brahim ; Ranjan, Rajeev ; Bellaiche, L. (2018) Quantum-fluctuation-stabilized orthorhombic ferroelectric ground state in lead-free piezoelectric (Ba,Ca)(Zr,Ti)O₃ Physical Review B: Condensed Matter and Materials Physics, 98 (10). ISSN 2469-9950

Abebe, Mulualem ; Brajesh, Kumar ; Malhotra, Jaskaran Singh ; Ranjan, Rajeev (2018) Rayleigh analysis of domain dynamics across temperature induced polymorphic phase transitions in lead-free piezoceramics (1−x)(BaTi_0.88Sn_0.12)–x(Ba_0.7Ca_0.3)TiO₃ Journal of Physics D: Applied Physics, 51 (18). p. 185601. ISSN 0022-3727

Abebe, Mulualem ; Brajesh, Kumar ; Ranjan, Rajeev (2017) Correlation between structure and Rayleigh parameters in the lead-free piezoceramic (1-x)Ba(Ti_0.88Sn_0.12)O₃-x(Ba_0.7Ca_0.3)TiO₃ Journal of Applied Physics, 122 (3). 034101. ISSN 0021-8979

Topolov, Vitaly Yu ; Brajesh, Kumar ; Ranjan, Rajeev ; Panich, Anatoly E (2017) Plausible domain configurations and phase contents in two- and three-phase BaTiO₃-based lead-free ferroelectrics Journal of Physics D: Applied Physics, 50 (6). 065307. ISSN 0022-3727

Kaur, Ramanpreet ; Swain, Diptikanta ; Dutta, Dipak ; Brajesh, Kumar ; Singh, Priyank ; Bhattacharyya, Aninda J. ; Ranjan, Rajeev ; Narayana, Chandrabhas ; Hulliger, Jürg ; Guru Row, Tayur N. (2017) Proton Conduction in a Quaternary Organic Salt: Its Phase Behavior and Related Spectroscopic Studies The Journal of Physical Chemistry C, 121 (34). pp. 18317-18325. ISSN 1932-7447

Kaur, Ramanpreet ; Swain, Diptikanta ; Dutta, Dipak ; Brajesh, Kumar ; Singh, Priyank ; Bhattacharyya, Aninda J. ; Ranjan, Rajeev ; Narayana, Chandrabhas ; Hulliger, Jürg ; Guru Row, Tayur N. (2017) Proton Conduction in a Quaternary Organic Salt: Its Phase Behavior and Related Spectroscopic Studies Journal of Physical Chemistry C, 121 (34). pp. 18317-18325. ISSN 1932-7447

Kaur, Ramanpreet ; Swain, Diptikanta ; Dutta, Dipak ; Brajesh, Kumar ; Singh, Priyank ; Bhattacharyya, Aninda J. ; Ranjan, Rajeev ; Narayana, Chandrabhas ; Hulliger, Jürg ; Guru Row, Tayur N. (2017) Proton conduction in a quaternary organic salt: its phase behavior and related spectroscopic studies The Journal of Physical Chemistry C, 121 (34). pp. 18317-18325. ISSN 1932-7447

Abebe, Mulualem ; Brajesh, Kumar ; Mishra, Anupam ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2017) Structural perspective on the anomalous weak-field piezoelectric response at the polymorphic phase boundaries of (Ba,Ca)(Ti,M)O₃ lead-free piezoelectrics ( M=Zr , Sn, Hf) Physical Review B: Condensed Matter and Materials Physics, 96 (1). 014113. ISSN 2469-9950

Topolov, Vitaly Yu. ; Brajesh, Kumar ; Ranjan, Rajeev (2016) Composition driven ferroelectric transformations in lead-free Ba(Ti_1−xCe_x)O₃ (0.02 ≤ x ≤ 0.10) Materials Chemistry and Physics, 179 . pp. 152-159. ISSN 0254-0584

Brajesh, Kumar ; Abebe, Mulualem ; Ranjan, Rajeev (2016) Structural transformations in morphotropic-phase-boundary composition of the lead-free piezoelectric system Ba(Ti_0.8Zr_0.2)O₃−(Ba_0.7Ca_0.3)TiO₃ Physical Review B: Condensed Matter and Materials Physics, 94 (10). ISSN 2469-9950

Brajesh, Kumar ; Kalyani, Ajay Kumar ; Ranjan, Rajeev (2015) Ferroelectric instabilities and enhanced piezoelectric response in Ce modified BaTiO₃ lead-free ceramics Applied Physics Letters, 106 (1). 012907. ISSN 0003-6951

Brajesh, Kumar ; Tanwar, Khagesh ; Abebe, Mulualem ; Ranjan, Rajeev (2015) Relaxor ferroelectricity and electric-field-driven structural transformation in the giant lead-free piezoelectric(Ba,Ca)(Ti,Zr)O₃ Physical Review B: Condensed Matter and Materials Physics, 92 (22). ISSN 1098-0121

Brajesh, Kumar ; Kumar, Pritam ; Himanshu, A.K. ; Ranjan, Rajeev ; Bandyopadhayay, S.K. ; Sinha, T.P ; Singh, N.K. (2014) Dielectric relaxation, phase transition and Rietveld studies of perovskite [Pb_0.94Sr_0.06][(Mn_1/3Sb_2/3)_0.05(Zr_0.52Ti_0.48)0.95]O3 ceramics Journal of Alloys and Compounds, 589 . pp. 443-447. ISSN 0925-8388

Kothai, V. ; Narayan, Bastola ; Brajesh, Kumar ; Kaushik, S. D. ; Siruguri, V. ; Ranjan, Rajeev (2014) Ferroelectric phase coexistence by crystallite size reduction in BiFeO₃−PbTiO₃ Physical Review B: Condensed Matter and Materials Physics, 90 (15). ISSN 1098-0121

Kalyani, Ajay Kumar ; Brajesh, Kumar ; Senyshyn, Anatoliy ; Ranjan, Rajeev (2014) Orthorhombic-tetragonal phase coexistence and enhanced piezo-response at room temperature in Zr, Sn, and Hf modified BaTiO₃ Applied Physics Letters, 104 (25). p. 252906. ISSN 0003-6951

Brajesh, Kumar ; Himanshu, A.K. ; Sharma, Himanshu ; Kumari, Kiran ; Ranjan, Rajeev ; Bandhopadhyay, S.K. ; Sinha, T.P. (2012) Structural, dielectric relaxation and piezoelectric characterization of Sr²⁺ substituted modified PMS-PZT ceramic Physica B: Condensed Matter, 407 (4). pp. 635-641. ISSN 0921-4526