Publications

Wide Bandgap Laboratory

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2025
Carrier transport properties of a SiC metal insulator semiconductor Schottky diode with a boron nitride layer
Ravi Ranjan Kumar, Shambel Abate Marye, Yao-Luen Shen, Chih-Fang Huang, Niall Tumilty
2025
Advanced Li–S Battery Configuration Featuring Sulfur‐Coated Separator and Interwoven rGO/CNT Fabric Current Collector (Small 8/2025)
Kuan‐Cheng Chiu, Asif Latief Bhat, Ching‐Kuan Yang, Sheng‐Heng Chung, Niall Tumilty, Yu‐Sheng Su
2025
Advanced Li–S Battery Configuration Featuring Sulfur‐Coated Separator and Interwoven rGO/CNT Fabric Current Collector
Kuan‐Cheng Chiu, Asif Latief Bhat, Ching‐Kuan Yang, Sheng‐Heng Chung, Niall Tumilty, Yu‐Sheng Su
2025
Material Properties of n‐Type β‐Ga2O3 Epilayers with In Situ Doping Grown on Sapphire by Metalorganic Chemical Vapor Deposition
Fu‐Gow Tarntair, Chih‐Yang Huang, Siddharth Rana, Kun‐Lin Lin, Shao‐Hui Hsu, Yu‐Cheng Kao, Singh Jitendra Pratap, Yi‐Che Chen, Niall Tumilty, Po‐Liang Liu, Ray‐Hua Horng
2024
A hBN/Ga2O3 pn junction diode
Shambel Abate Marye, Xin-Ying Tsai, Ravi Ranjan Kumar, Fu-Gow Tarntair, Ray Hua Horng, Niall Tumilty
2024
Electrical properties and evaluation of band tail states in Mg doped p-type multilayer hBN
Shambel Abate Marye, Ravi Ranjan Kumar, Le Thi Phuong Thao, Chin-Han Chung, Niall Tumilty
2024
Performance Improvement of Enhanced-Mode β-Ga2O3 MOSFETs by Partial Gate Recess Structure
Yueh-Han Chuang, Fu-Gow Tarntair, Pei-Jung Wang, Tian-Li Wu, Niall Tumilty, Ray-Hua Horng
2024
Comparison of performance in GaN-HEMTs on thin SiC substrate and sapphire substrates
Tsung Po Chuang, Niall Tumilty, Chia Hao Yu, Ray Hua Horng
2024
Heteroepitaxially grown homojunction gallium oxide PN diodes using ion implantation technologies
Chih-Yang Huang, Xin-Ying Tsai, Fu-Gow Tarntair, Catherine Langpoklakpam, Thien Sao Ngo, Pei-Jung Wang, Yu-Cheng Kao, Yi-Kai Hsiao, Niall Tumilty, Hao-Chung Kuo, Tian-Li Wu, Ching-Lien Hsiao, Ray-Hua Horng
2024
Undoped β-Ga2O3 layer thickness effect on performance of MOSFETs grown on sapphire substrate
Ray-Hua Horng, Chan-Hung Lu, Fu-Gow Tairtan, Yu-Cheng Kao, Niall Tumilty
2024
Undoped β-Ga2O3 Layer Thickness Effect on the Performance of MOSFETs Grown on a Sapphire Substrate
Chan-Hung Lu, Fu-Gow Tarntair, Yu-Cheng Kao, Niall Tumilty, Ray-Hua Horng
2024
Material Properties of n-Type 𝜷-Ga
Fu-Gow Tarntair, Chih-Yang Huang, Siddharth Rana, Kun-Lin Lin, Shao-Hui Hsu, Yu-Cheng Kao, Singh Jitendra Pratap, Yi-Che Chen, Niall Tumilty, Po-Liang Liu, Ray-Hua Horng
2024
Thermal stability, work function and Fermi level analysis of 2D multi-layered hexagonal boron nitride films
Shambel Abate Marye, Ravi Ranjan Kumar, Artur Useinov, Niall Tumilty
2023
β-Ga2O3 MOSFETs electrical characteristic study of various etching depths grown on sapphire substrate by MOCVD
Chan-Hung Lu, Fu-Gow Tarntair, Yu-Cheng Kao, Niall Tumilty, Jia-Min Shieh, Shao-Hui Hsu, Ching-Lien Hsiao, Ray-Hua Horng
2023
Metal-insulator-semiconductor type diode based on implanted β-Ga2O3 epilayers grown on sapphire substrate by metalorganic chemical vapor deposition
Ray-Hua Horng, Apoorva Sood, Siddharth Rana, Niall Tumilty, Fu-Gow Tarntair, Catherine Langpoklakpam, Hao-Chung Kuo, Jitendra Pratap Singh
2023
Thermal Performance of Cu Electroplated GaN/AlGaN High-Electron-Mobility Transistors with Various-Thickness Si Substrates
Ray-Hua Horng, Hsiao-Yun Yeh, Niall Tumilty
2023
Electrical performance study of Schottky barrier diodes using ion implanted β-Ga2O3 epilayers grown on sapphire substrates
Apoorva Sood, Dong-Sing Wuu, Fu-Gow Tarntair, Ngo Thien Sao, Tian-Li Wu, Niall Tumilty, Hao-Chung Kuo, Singh Jitendra Pratap, Ray-Hua Horng
2022
AC conductivity of hBN thin film on Si (111): A high temperature study
Hao Le Thi, Shambel Abate Marye, Niall Tumilty
2014
Observation of multiple conduction paths in boron δ-doped diamond structures
Niall Tumilty, Alex Pakpour-Tabrizi, Richard B Jackman, Richard Lang
2010
Nanodiamond-gated diamond field-effect transistor for chemical sensing using hydrogen-induced transfer doping for channel formation
Rezal K Ahmad, Ana Carolina Parada, Niall Tumilty, Richard B Jackman
2010
Synthesis of carbon nanotubes on single crystal diamond
Niall Tumilty, Lesya Kasharina, Tatiana Prokhoda, Boris Sinelnikov, Richard B Jackman
2010
Diamond based nanostructures for electronic applications
Niall James Tumilty
2010
Nanocrystalline diamond as an electronic material: An impedance spectroscopic and Hall effect measurement study
Mose Bevilacqua, Niall Tumilty, Chiranjib Mitra, Haitao Ye, Tatayana Feygelson, James E Butler, Richard B Jackman
2009
An impedance spectroscopic investigation of the electrical properties of δ-doped diamond structures
Niall Tumilty, Joseph Welch, Richard Lang, Christopher Wort, Richard Balmer, Richard B Jackman
2009
Multiple conduction paths in boron δ-doped diamond structures
Niall Tumilty, Joseph Welch, Haitao Ye, Richard S Balmer, Christopher Wort, Richard Lang, Richard B Jackman
2008
Nanocrystalline diamond as a dielectric for SOD applications
Mose Bevilacqua, Niall Tumilty, Aysha Chaudhary, Haitao Ye, James E Butler, Richard B Jackman
2008
Electronic properties of homoepitaxial (111) highly boron-doped diamond films
Haitao Ye, Niall Tumilty, Mose Bevilacqua, Stephane Curat, Milos Nesladek, Bertrand Bazin, Philippe Bergonzo, Richard B Jackman
2006
Device simulation and design optimization for diamond based insulated-gate bipolar transistors
Haitao Ye, Niall Tumilty, David Garner, Richard B Jackman
2006
Carrier Transport in Delta-doped Diamond Layers
N Tumilty, RB Jackman
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