Zobrazeno 1 - 10
of 136
pro vyhledávání: '"Prosandeev, Sergey"'
Autor:
P., Harikrishnan K., Xu, Ruijuan, Patel, Kinnary, Crust, Kevin J., Khandelwal, Aarushi, Zhang, Chenyu, Prosandeev, Sergey, Zhou, Hua, Shao, Yu-Tsun, Bellaiche, Laurent, Hwang, Harold Y., Muller, David A.
Sodium niobate, a lead-free ferroic material, hosts delicately-balanced, competing order parameters, including ferroelectric states that can be stabilized by epitaxial strain. Here, we show that the resulting macroscopic ferroelectricity exhibits an
Externí odkaz:
http://arxiv.org/abs/2408.14795
Autor:
Jiang, Zhijun, Zhang, Zhenlong, Prokhorenko, Sergei, Nahas, Yousra, Prosandeev, Sergey, Bellaiche, Laurent
Publikováno v:
Phys. Rev. B 107, 214105 (2023)
An atomistic effective Hamiltonian technique is used to investigate the finite-temperature energy storage properties of a ferroelectric nanocomposite consisting of an array of BaTiO$_{3}$ nanowires embedded in a SrTiO$_{3}$ matrix, for electric field
Externí odkaz:
http://arxiv.org/abs/2305.14099
Autor:
Jeong, Chaehwa, Lee, Juhyeok, Jo, Hyesung, Oh, Jaewhan, Baik, Hionsuck, Go, Kyoung-June, Son, Junwoo, Choi, Si-Young, Prosandeev, Sergey, Bellaiche, Laurent, Yang, Yongsoo
Publikováno v:
Nat. Commun. 15, 3887 (2024)
In the early 2000s, low dimensional systems were predicted to have topologically nontrivial polar structures, such as vortices or skyrmions, depending on mechanical or electrical boundary conditions. A few variants of these structures have been exper
Externí odkaz:
http://arxiv.org/abs/2305.04188
The microscopic origin of the electric Dzyaloshinskii-Moriya interaction (eDMI) is unveiled and discussed by analytical analysis and first-principles based calculations. As similar to the magnetic Dzyaloshinskii-Moriya interaction (mDMI), eDMI also o
Externí odkaz:
http://arxiv.org/abs/2211.13099
Autor:
Patel, Kinnary, Xu, Bin, Prosandeev, Sergey, Faye, Romain, Dkhil, Brahim, Janolin, Pierre-Eymeric, Bellaiche, Laurent
A novel atomistic effective Hamiltonian scheme, incorporating an original and simple bilinear energetic coupling, is developed and used to investigate the temperature dependent physical properties of the prototype antiferroelectric PbZrO3 (PZO) syste
Externí odkaz:
http://arxiv.org/abs/2211.04679
Autor:
Jiang, Zhijun, Xu, Bin, Prosandeev, Sergey, Nahas, Yousra, Prokhorenko, Sergei, Íñiguez, Jorge, Bellaiche, L.
An atomistic effective Hamiltonian is used to compute electrocaloric (EC) effects in rare-earth substituted BiFeO$_{3}$ multiferroics. A phenomenological model is then developed to interpret these computations, with this model indicating that the EC
Externí odkaz:
http://arxiv.org/abs/2102.13526
Autor:
Zhao, Changhao, Prosandeev, Sergey, Bellaiche, Laurent, Li, Fei, Zhang, Shujun, Li, Shengtao, Jones, Jacob L.
Publikováno v:
In Acta Materialia 1 October 2023 258
Negative capacitance in BaTiO$_3$/SrTiO$_3$ superlattices is investigated by Monte Carlo simulations in an atomistic effective Hamiltonian model, using fluctuation formulas for responses to the local macroscopic field that incorporates depolarizing f
Externí odkaz:
http://arxiv.org/abs/1904.08079
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