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Research outputs per year
Abstract
A domain nucleation model of polarization dynamics in less understood anti-ferroelectric systems is introduced. Predictions of the model have been successfully tested experimentally using an anti-ferroelectric Pb0.99Nb0.02[(Zr0.57Sn0.43)0.94Ti0.06]0.98O3 polycrystalline ceramic. We determined the activation energy of the domain nucleation process for this particular anti-ferroelectric sample to be Wb = 1.07 eV and the critical volume of the polar nucleus V* = 98 10-27 m3, which corresponds to a linear length scale of 2.86 nm.
| Original language | English |
|---|---|
| Article number | 014104 |
| Number of pages | 6 |
| Journal | Physical Review B |
| Volume | 96 |
| DOIs | |
| Publication status | Published - 7 Jul 2017 |
Keywords
- anti-ferroelectric materials
- non-equilibrium polarization reversal
- thermal effects in anti-ferroelectrics
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Erratum: Nonequilibrium polarization dynamics in antiferroelectrics [Phys. Rev. B \textbf{96}, 014104 (2017)]
Vopson, M. & Tan, X., 15 May 2019, In: Physical Review B. 99, 20, 1 p., 209902.Research output: Contribution to journal › Comment/debate › peer-review
Open Access -
Sub-lattice polarization states in anti-ferroelectrics and their relaxation process
Vopson, M., Tan, X., Namvar, E., Belusky, M., Thompson, S., Kuncser, V., Plazaola, F., Unzueta , I. & Tang, C., 1 May 2019, In: Current Applied Physics. 19, 5, p. 651-656 6 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile187 Downloads (Pure) -
Heat-assisted multiferroic solid-state memory
Lepadatu, S. & Vopson, M., 25 Aug 2017, In: Materials. 10, 9, 10 p., 991.Research output: Contribution to journal › Article › peer-review
Open AccessFile147 Downloads (Pure) -
Polarization reversal and memory effect in anti-ferroelectric materials
Vopson, M., Caruntu, G. & Tan, X., Feb 2017, In: Scripta Materialia. 128, p. 61-64 4 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile231 Downloads (Pure) -
4-state anti-ferroelectric random access memory
Vopson, M. & Tan, X., 3 Oct 2016, In: IEEE Electron Device Letters. 37, 12, p. 1551-1554 4 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile6355 Downloads (Pure)
Activities
- 3 Visiting an external academic institution
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Iowa State University
Vopson, M. (Visiting researcher)
5 Nov 2018 → 15 Nov 2018Activity: Visiting an external organisation types › Visiting an external academic institution
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National Institute for Materials Physics
Vopson, M. (Visiting researcher)
23 Jul 2018 → 30 Jul 2018Activity: Visiting an external organisation types › Visiting an external academic institution
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Diamond Light Source
Vopson, M. (Visiting researcher)
3 Jul 2018 → 6 Jul 2018Activity: Visiting an external organisation types › Visiting an external academic institution