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pro vyhledávání: '"Huber, John E."'
Improving the energy conversion efficiency of piezoelectric energy harvesters is of great importance, and one approach is to make more uniform use of the working material by ensuring a uniform strain state. To achieve better performance, this paper p
Externí odkaz:
http://arxiv.org/abs/2209.00252
Publikováno v:
In Materials Chemistry and Physics 1 April 2024 316
Publikováno v:
In Applied Energy 1 October 2023 347
Publikováno v:
In Energy Conversion and Management 1 February 2023 277
Publikováno v:
Smart Materials and Structures, 25(10), 104001 (2016)
The current work employs a phase-field model to test the stability of nanoscale periodic domain patterns, and to explore the application of one pattern in an energy harvester device. At first, the stability of several periodic domain patterns with in
Externí odkaz:
http://arxiv.org/abs/1803.06562
Publikováno v:
Physical Review B, 93(17), 174120 (2016)
Ferroelectrics form domain patterns that minimize their energy subject to imposed boundary conditions. In a linear, constrained theory, that neglects domain wall energy, periodic domain patterns in the form of multi-rank laminates can be identified a
Externí odkaz:
http://arxiv.org/abs/1803.06564
Publikováno v:
Balakrishna, A. R., & Huber, J. E. (2015). Scale effects and the formation of polarization vortices in tetragonal ferroelectrics. Applied Physics Letters, 106(9), 092906
Vortices consisting of $90^\circ$ quadrant domains are rarely observed in ferroelectrics. Although experiments show polarization flux closures with stripe domains, it is as yet unclear why pure single vortices are not commonly observed. Here we model
Externí odkaz:
http://arxiv.org/abs/1712.10212
Publikováno v:
Smart Materials and Structures, 23(8), 085016 (2014)
The concept of a nano-actuator that uses ferroelectric switching to generate enhanced displacements is explored using a phase-field model. The actuator has a ground state in the absence of applied electric field that consists of polarized domains ori
Externí odkaz:
http://arxiv.org/abs/1711.01641
Autor:
Kang, Wenbin, Huber, John E.
Publikováno v:
In Cell Reports Physical Science 19 January 2022 3(1)
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