Jim Speck

Jim Speck

University of California, Santa Barbara

H-index: 140

North America-United States

About Jim Speck

Jim Speck, With an exceptional h-index of 140 and a recent h-index of 72 (since 2020), a distinguished researcher at University of California, Santa Barbara, specializes in the field of semiconductors.

His recent articles reflect a diverse array of research interests and contributions to the field:

Single-Event Burnout in Vertical β-Ga2O3 Diodes with Pt/PtOx Schottky Contacts and High-k Field-Plate Dielectrics

Dynamics of carrier injection through V-defects in long wavelength GaN LEDs

Planarization of p-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs

Optical analysis of III-nitride micro-light-emitting diodes with different sidewall treatments at low current density operation

Nanoscale mapping of inhomogeneities in the luminescence of operational nitride LEDs

Hybrid tunnel junction enabled independent junction control of cascaded InGaN blue/green micro-light-emitting diodes

Continuous Si doping in (010) and (001) β-Ga2O3 films by plasma-assisted molecular beam epitaxy

Measurement of minority carrier diffusion length in p-GaN using electron emission spectroscopy (EES)

Jim Speck Information

University

Position

Professor of Materials

Citations(all)

82366

Citations(since 2020)

23957

Cited By

69619

hIndex(all)

140

hIndex(since 2020)

72

i10Index(all)

961

i10Index(since 2020)

553

Email

University Profile Page

University of California, Santa Barbara

Google Scholar

View Google Scholar Profile

Jim Speck Skills & Research Interests

semiconductors

Top articles of Jim Speck

Title

Journal

Author(s)

Publication Date

Single-Event Burnout in Vertical β-Ga2O3 Diodes with Pt/PtOx Schottky Contacts and High-k Field-Plate Dielectrics

IEEE Transactions on Nuclear Science

S Islam

AS Senarath

E Farzana

DR Ball

A Sengupta

...

2024/2/26

Dynamics of carrier injection through V-defects in long wavelength GaN LEDs

Applied Physics Letters

Saulius Marcinkevičius

Tanay Tak

Yi Chao Chow

Feng Wu

Rinat Yapparov

...

2024/4/29

Planarization of p-GaN surfaces on MOCVD grown V-defect engineered GaN-based LEDs

Applied Physics Letters

Tanay Tak

Alejandro Quevedo

Feng Wu

Srinivas Gandrothula

Jacob J Ewing

...

2024/4/22

Optical analysis of III-nitride micro-light-emitting diodes with different sidewall treatments at low current density operation

Japanese Journal of Applied Physics

Matthew S Wong

Stephen Gee

Tanay Tak

Srinivas Gandrothula

Steve Rebollo

...

2024/4/11

Nanoscale mapping of inhomogeneities in the luminescence of operational nitride LEDs

Camille Fornos

Natalia Alyabyeva

Mylène Sauty

Wan Ying Ho

Yi Chao Chow

...

2024/3/9

Hybrid tunnel junction enabled independent junction control of cascaded InGaN blue/green micro-light-emitting diodes

Optics Express

Panpan Li

Hongjian Li

Yifan Yao

Kai Shek Qwah

Mike Iza

...

2023/2/27

Continuous Si doping in (010) and (001) β-Ga2O3 films by plasma-assisted molecular beam epitaxy

APL Materials

Takeki Itoh

Akhil Mauze

Yuewei Zhang

James S Speck

2023/4/1

Measurement of minority carrier diffusion length in p-GaN using electron emission spectroscopy (EES)

Applied Physics Letters

Wan Ying Ho

Yi Chao Chow

Shuji Nakamura

Jacques Peretti

Claude Weisbuch

...

2023/5/22

Recovering the efficiency of AlGaInP red micro-LEDs using sidewall treatments

Applied Physics Express

Matthew S Wong

Ryan C White

Stephen Gee

Tanay Tak

Srinivas Gandrothula

...

2023/6/27

Atomic layer etching (ALE) of III-nitrides

Applied Physics Letters

Wan Ying Ho

Yi Chao Chow

Zachary Biegler

Kai Shek Qwah

Tanay Tak

...

2023/8/7

Origins of the high-energy electroluminescence peaks in long-wavelength (∼ 495–685 nm) InGaN light-emitting diodes

Applied Physics Letters

Yi Chao Chow

Tanay Tak

Feng Wu

Jacob Ewing

Shuji Nakamura

...

2023/8/28

Improved wall-plug efficiency of III-nitride tunnel junction micro-light-emitting diodes with AlGaN/GaN polarization charges

AIP Advances

Matthew S Wong

Aditya Raj

Hsun-Ming Chang

Vincent Rienzi

Feng Wu

...

2023/1/1

First-Principles Study of Twin Boundaries and Stacking Faults in ????-Ga

Mengen Wang

Sai Mu

James S Speck

Chris G Van de Walle

2023

High external quantum efficiency (6.5%) InGaN V-defect LEDs at 600 nm on patterned sapphire substrates

Optics Express

Jacob J Ewing

Cheyenne Lynsky

Matthew S Wong

Feng Wu

Yi Chao Chow

...

2023/12/4

Growth modification via indium surfactant for InGaN/GaN green LED

Semiconductor Science and Technology

M Ikram Md Taib

Mohd Anas Ahmad

Ezzah Azimah Alias

Abdullah Ibrahim Alhassan

Idris A Ajia

...

2023/2/17

Narrow ridge III-nitride m-plane violet edge-emitting laser diodes with sidewall passivation using atomic layer deposition

Matthew S Wong

Haojun Zhang

Emily S Trageser

Ryan M Anderson

James S Speck

...

2023/3/17

Significant quantum efficiency enhancement of InGaN red micro-light-emitting diodes with a peak external quantum efficiency of up to 6%

ACS Photonics

Panpan Li

Hongjian Li

Yifan Yao

Norleakvisoth Lim

Matthew Wong

...

2023/5/12

Size dependent characteristics of AlGaN-based ultraviolet micro-LEDs

Yifan Yao

Hongjian Li

PanPan Li

Christian J Zollner

Michael Wang

...

2023/6/25

Injection mechanisms in a III-nitride light-emitting diode as seen by self-emissive electron microscopy

Physical Review Applied

Tanay Tak

Cameron W Johnson

Wan Ying Ho

Feng Wu

Mylène Sauty

...

2023/12/26

Effect of Mg doping on carrier recombination in GaN

Journal of Applied Physics

Saulius Marcinkevičius

Yi Chao Chow

Shuji Nakamura

James S Speck

2023/8/28

See List of Professors in Jim Speck University(University of California, Santa Barbara)

Co-Authors

H-index: 153
Steven DenBaars

Steven DenBaars

University of California, Santa Barbara

H-index: 130
Umesh Mishra

Umesh Mishra

University of California, Santa Barbara

H-index: 105
Stacia Keller

Stacia Keller

University of California, Santa Barbara

H-index: 57
Aleksei Romanov

Aleksei Romanov

ITMO University

H-index: 50
Daniel Feezell

Daniel Feezell

University of New Mexico

H-index: 50
Gregor Koblmüller

Gregor Koblmüller

Technische Universität München

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