Search Results - "Jang, Soohwan"

High Breakdown Voltage (−201) \beta -Ga2O3 Schottky Rectifiers by Jiancheng Yang, Shihyun Ahn, Ren, F., Pearton, S. J., Soohwan Jang, Kuramata, A.

“…β-Ga 2 O 3 Schottky barrier diodes were fabricated in a vertical geometry structure consisting of Ni/Au rectifying contacts without edge termination on…”
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Platinum-functionalized black phosphorus hydrogen sensors by Lee, Geonyeop, Jung, Sunwoo, Jang, Soohwan, Kim, Jihyun

“…Black phosphorus (BP), especially in its two-dimensional (2D) form, is an intriguing material because it exhibits higher chemical sensing ability as compared…”
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High reverse breakdown voltage Schottky rectifiers without edge termination on Ga2O3 by Yang, Jiancheng, Ahn, Shihyun, Ren, F., Pearton, S. J., Jang, Soohwan, Kim, Jihyun, Kuramata, A.

“…Vertical geometry Ni/Au-β-Ga2O3 Schottky rectifiers were fabricated on Hydride Vapor Phase Epitaxy layers on conducting bulk substrates, and the rectifying…”
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Hydrogen Sensing Performance of ZnO Schottky Diodes in Humid Ambient Conditions with PMMA Membrane Layer by Jang, Soohwan, Jung, Sunwoo, Baik, Kwang Hyeon

“…Enhanced hydrogen sensing performance of Pt Schottky diodes on ZnO single crystal wafers in humid ambient conditions is reported using a polymethylmethacrylate…”
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Pt-AlGaN/GaN Hydrogen Sensor With Water-Blocking PMMA Layer by Sunwoo Jung, Kwang Hyeon Baik, Fan Ren, Pearton, Stephen J., Soohwan Jang

“…One of the biggest issues with GaN-based hydrogen sensors is their sensitivity to humidity in the ambient. We demonstrate that encapsulation of Pt-AlGaN/GaN…”
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Carbon Dioxide Sensing Characteristics of AlGaN/GaN High Electron Mobility Transistor with ZnO Nanorods by Baik, Kwang Hyeon, Jang, Soohwan

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Rapid detection of cardiac troponin I using antibody-immobilized gate-pulsed AlGaN/GaN high electron mobility transistor structures by Yang, Jiancheng, Carey, Patrick, Ren, Fan, Wang, Yu-Lin, Good, Michael L., Jang, Soohwan, Mastro, Michael A., Pearton, S. J.

“…We report a comparison of two different approaches to detecting cardiac troponin I (cTnI) using antibody-functionalized AlGaN/GaN High Electron Mobility…”
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Valence and conduction band offsets in AZO/Ga2O3 heterostructures by Carey, Patrick H., Ren, F., Hays, David C., Gila, B.P., Pearton, S.J., Jang, Soohwan, Kuramata, Akito

“…We report on the determination of band offsets in rf-sputtered Aluminum Zinc Oxide (AZO)/single crystal β-Ga2O3 (AZO/Ga2O3) heterostructures using X-Ray…”
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Transfer-Free Growth of Multilayer Graphene Using Self-Assembled Monolayers by Yang, Gwangseok, Kim, Hong-Yeol, Jang, Soohwan, Kim, Jihyun

“…Large-area graphene needs to be directly synthesized on the desired substrates without using a transfer process so that it can easily be used in industrial…”
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Hydrogen sensing characteristics of semipolar (112¯2) GaN Schottky diodes by Hyeon Baik, Kwang, Kim, Hyonwoong, Lee, Sung-Nam, Lim, Eunju, Pearton, S. J., Ren, F., Jang, Soohwan

“…The hydrogen detection characteristics of semipolar (112¯2) plane GaN Schottky diodes were investigated and compared to c-plane Ga- and N-polar and nonpolar…”
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Anisotropic microstructure of hydrothermally-grown non-polar a-plane ZnO on a-plane GaN film by Baik, Kwang Hyeon, Kim, Hyonwoong, Jang, Soohwan

“…Nonpolar a-plane ZnO (a-ZnO) films with good crystalline quality have been achieved by a hydrothermal growth method on nonpolar a-plane GaN (a-GaN) films…”
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Temperature and Humidity Dependence of Response of PMGI-Encapsulated Pt-AlGaN/GaN Diodes for Hydrogen Sensing by Sunwoo Jung, Kwang Hyeon Baik, Fan Ren, Pearton, Stephen J., Soohwan Jang

“…Polydimethylglutarimide (PMGI), a photosensitive positive type resin used in photoresists, is shown to be an effective moisture barrier for mitigating the…”
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Schottky contact on hydrothermally grown a-plane ZnO for hydrogen sensing and UV detection by Kim, Jimin, Baik, Kwang Hyeon, Jang, Soohwan

“…Pt Schottky contact on nonpolar a-plane ZnO film grown by a simple hydrothermal method on a-plane GaN was investigated. The Schottky barrier height was…”
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Ohmic contacts on n-type β-Ga2O3 using AZO/Ti/Au by Carey, Patrick H., Yang, Jiancheng, Ren, F., Hays, David C., Pearton, S. J., Jang, Soohwan, Kuramata, Akito, Kravchenko, Ivan I.

“…AZO interlayers between n-Ga2O3 and Ti/Au metallization significantly enhance Ohmic contact formation after annealing at ≥ 30 0 ° C. Without the presence of…”
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Anisotropic electrical conductivity of surface-roughened semipolar GaN films by photochemical etching by Jang, Soohwan, Lee, Sohyun, Baik, Kwang Hyeon

“…We studied the anisotropy of electrical conductivity in surface-roughened semipolar GaN (s-GaN) films. Highly crystalline s-GaN films were obtained using…”
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Effects of stabilizers on the synthesis of Pt3Cox/C electrocatalysts for oxygen reduction by JOUNG WOON KIM, JI HYUN HEO, SEUNG JUN HWANG, SUNG JONG YOO, JONG HYUN JANG, JEONG SOOK HA, JANG, Soohwan, LIM, Tae-Hoon, SUK WOO NAM, KIM, Soo-Kil

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AlGaN/GaN High Electron Mobility Transistor degradation under on- and off-state stress by Douglas, E.A., Chang, C.Y., Cheney, D.J., Gila, B.P., Lo, C.F., Lu, Liu, Holzworth, R., Whiting, P., Jones, K., Via, G.D., Kim, Jinhyung, Jang, Soohwan, Ren, Fan, Pearton, S.J.

“…AlGaN/GaN High Electron Mobility Transistors (HEMTs) with various gate lengths have been step-stressed under both on- and off-state conditions. On-state, high…”
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Suspended black phosphorus nanosheet gas sensors by Lee, Geonyeop, Kim, Suhyun, Jung, Sunwoo, Jang, Soohwan, Kim, Jihyun

“…[Display omitted] •We demonstrated the suspended 2D black phosphorus gas sensors with superior sensing performance.•Suspended 2D structure has a high…”
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Improved Organic Light Emitting Diodes Using Cryogenic LiF/Al Deposition by Chu, Byung-hwan, Chin, Byung Doo, Baik, Kwang Hyeon, Pearton, Stephen J, Ren, Fan, Jang, Soohwan

“…The effect of cryogenic temperature deposition of Al and LiF contacts on the electrical and optical performance of organic light emitting diodes (OLEDs) was…”
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Improved Organic Light Emitting Diodes Using Cryogenic LiF/Al Deposition by Chu, Byung-hwan, Chin, Byung Doo, Baik, Kwang Hyeon, Pearton, Stephen J., Ren, Fan, Jang, Soohwan

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