Enhanced Inversion Mobility on 4H-SiC Using Phosphorus and Nitrogen Interface Passivation

G Liu, AC Ahyi, Y Xu, T Isaacs-Smith… - IEEE Electron …, 2013 - ieeexplore.ieee.org
Low interface trap density and high channel mobility on nonpolar faces of 4H-SiC, such as
the (11 [2̅] 0) a-face, are of fundamental importance in the understanding of SiC MOS …

Identification of a major cause of endemically poor mobilities in SiC/SiO2 structures

X Shen, ST Pantelides - Applied Physics Letters, 2011 - pubs.aip.org
Poor electron mobility at SiC/SiO 2 interfaces has long held up the development of SiC-
based power devices. The mobility degradation has been attributed to defects at the …

Phosphorous passivation of the SiO2/4H–SiC interface

YK Sharma, AC Ahyi, T Issacs-Smith, X Shen… - Solid-State …, 2012 - Elsevier
We describe experimental and theoretical studies to determine the effects of phosphorous
as a passivating agent for the SiO2/4H–SiC interface. Annealing in a P2O5 ambient converts …

[HTML][HTML] Design considerations for three-dimensional betavoltaics

JW Murphy, LF Voss, CD Frye, Q Shao, K Kazkaz… - AIP Advances, 2019 - pubs.aip.org
Betavoltaic devices are suitable for delivering low-power over periods of years. Typically,
their power density is on the order of nano to micro-Watts per cubic centimeter. In this work …

A new approach in impurity doping of 4H-SiC using silicidation

CC Tin, S Mendis, MT Tin, T Isaacs-Smith… - Journal of applied …, 2013 - pubs.aip.org
Oxidation and silicidation have been found to enhance phosphorus diffusion and
incorporation in 4H-SiC. Depth profiling by secondary ion mass spectrometry showed …

Research of pin Junctions Based on 4H‐SiC Fabricated by Low‐Temperature Diffusion of Boron

IG Atabaev, KN Juraev - Advances in Materials Science and …, 2018 - Wiley Online Library
Novel method of boron diffusion at low temperatures between 1150 and 1300° C is used for
the formation of both p‐i SiC junction and i‐region in one technological process. As the …

Demonstration of a three-dimensionally structured betavoltaic

JW Murphy, CD Frye, RA Henderson, MA Stoyer… - Journal of Electronic …, 2021 - Springer
In this work, we present a demonstration of a high-aspect ratio, three-dimensionally
structured betavoltaic device. High-aspect ratio silicon PIN diodes were used as the …

Fast Switching 4H‐SiC Pin Structures Fabricated by Low Temperature Diffusion of Al

IG Atabaev, KN Juraev, VA Pak - Advances in Condensed …, 2017 - Wiley Online Library
Pin 4H‐SiC〈 Al〉 diode structures are fabricated by a new approach which is low
temperature diffusion of aluminium (Al) in SiC using flow of vacancy defects from surface into …

[PDF][PDF] The method of solid state impurity diffusion and doping in 4H-SiC

S Mendis, CC Tin, IG Atabaev, BG Atabaev - International Journal of …, 2013 - Citeseer
Solid state thermal diffusion is not a common method of impurity doping in silicon carbide
(SiC) device fabrication due to the extremely high temperatures required for such a process …

[HTML][HTML] Influence of defects on low temperature diffusion of boron in SiC

IG Atabaev, TM Saliev, D Saidov, VA Pak… - Materials Sciences and …, 2011 - scirp.org
The low temperature diffusion of Boron in bulk SiC crystals is investigated and simplified
model of such diffusion is presented. The method of UV stimulated etching by aqueous …