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Hai Jun Cho

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Recent Articles
1.
Bian Z, Yang Q, Yoshimura M, Cho H, Lee J, Jeen H, et al.
ACS Appl Mater Interfaces . 2023 May; 15(19):23512-23517. PMID: 37134115
Thermal transistors have potential as thermal management devices because they can electrically control the thermal conductivity (κ) of the active layer. Recently, we realized solid-state electrochemical thermal transistors by utilizing...
2.
Zhang X, Zhang Y, Wu L, Tsuruta A, Mikami M, Cho H, et al.
ACS Appl Mater Interfaces . 2022 Jul; PMID: 35819907
Thermoelectric energy conversion technology has attracted attention as an energy harvesting technology that converts waste heat into electricity by means of the Seebeck effect. Oxide-based thermoelectric materials that show a...
3.
Zhang Y, Cho H, Jiang F, Xia C, Chen Y, Liu W, et al.
Nanotechnology . 2022 Jun; 33(40). PMID: 35705009
The electron and heat transports in solids are through the movement of carrier electrons and quantized lattice vibrations (phonons), which are sensitive to the lattice distortion and ionized impurities, and...
4.
Kim G, Feng B, Ryu S, Cho H, Jeen H, Ikuhara Y, et al.
ACS Appl Mater Interfaces . 2021 Jan; 13(5):6864-6869. PMID: 33507743
Materials having an anisotropic crystal structure often exhibit anisotropy in the electrical conductivity. Compared to complex transition-metal oxides (TMOs), simple TMOs rarely show large anisotropic electrical conductivity due to their...
5.
Sanchela A, Wei M, Cho H, Ohta H
Small . 2019 Jan; 15(8):e1805394. PMID: 30698912
The transparent oxide semiconductor (TOS) with large bandgap (E ≈ 4 eV) based thin-film transistors (TFTs) showing both high carrier mobility and UV-visible transparency has attracted increasing attention as a...