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Theory of high performance piezotronic quantum harmonic oscillator under nonuniform strain

Yaming Zhang, Jiaheng Nie, Ruhao Liu, Baohua Teng, Lijie Li Orcid Logo, Yan Zhang Orcid Logo

Nano Energy, Volume: 118, Issue: A, Start page: 108954

Swansea University Author: Lijie Li Orcid Logo

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DOI (Published version): 10.1016/j.nanoen.2023.108954

Abstract

Piezotronics and piezo-phototronics are two emerging fields that involve high performance piezoelectric semiconductor devices. The nonuniform strain can create nonlinear piezopotential even in nonpiezoelectric materials such as silicon. Here, we propose theory of quantum piezotronics under nonunifor...

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Published in: Nano Energy
ISSN: 2211-2855 2211-3282
Published: Elsevier BV 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa64663
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Abstract: Piezotronics and piezo-phototronics are two emerging fields that involve high performance piezoelectric semiconductor devices. The nonuniform strain can create nonlinear piezopotential even in nonpiezoelectric materials such as silicon. Here, we propose theory of quantum piezotronics under nonuniform strain using a typical example of the interaction between independently trapped charges under nonlinear piezopotential. The trapped-ion motional frequency along the x direction can increase from 4 MHz to 25 MHz, and the electric-field noise can decrease by 15 times under nonuniform strain. This piezotronic harmonic oscillator based on trapping wells not only provides a good understanding of quantum piezotronics but also a guide for developing peizotronic devices for quantum computing.
Keywords: Piezotronics, nonuniform strain, trapped ion, harmonic oscillators, qubit
College: Faculty of Science and Engineering
Funders: The authors are thankful for the support from Major Project of National Natural Science Foundation of China (Grant No. 52192612, 52192610). The authors are thankful for the support from University of Electronic Science and Technology of China (Grant No. ZYGX2021YGCX001).
Issue: A
Start Page: 108954

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