Characterization methods for defects and devices in silicon carbide

ME Bathen, CTK Lew, J Woerle, C Dorfer… - Journal of Applied …, 2022 - pubs.aip.org
Significant progress has been achieved with silicon carbide (SiC) high power electronics
and quantum technologies, both drawing upon the unique properties of this material. In this …

[HTML][HTML] Charge pum** electrically detected magnetic resonance of silicon carbide power transistors

CTK Lew, VK Sewani, T Ohshima… - Journal of Applied …, 2023 - pubs.aip.org
Silicon carbide (SiC) power devices are becoming central components in high voltage
electronics. However, defects at interfaces and in the bulk continue to severely impact their …

A new analytical tool for the study of radiation effects in 3-D integrated circuits: Near-zero field magnetoresistance spectroscopy

JP Ashton, SJ Moxim, PM Lenahan… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
We demonstrate that a new technique, near-zero field magnetoresistance (NZFMR)
spectroscopy, can explore radiation damage in a wide variety of devices in a proof-of …

[HTML][HTML] Extraction of isotropic electron-nuclear hyperfine coupling constants of paramagnetic point defects from near-zero field magnetoresistance spectra via least …

EB Frantz, NJ Harmon, SR McMillan… - Journal of applied …, 2020 - pubs.aip.org
We report on a method by which we can systematically extract spectroscopic information
such as isotropic electron–nuclear hyperfine coupling constants from near-zero field …

Combining electrically detected magnetic resonance techniques to study atomic-scale defects generated by hot-carrier stressing in HfO2/SiO2/Si transistors

SJ Moxim, JP Ashton, MA Anders… - Journal of Applied Physics, 2023 - pubs.aip.org
This work explores the atomic-scale nature of defects within hafnium dioxide/silicon
dioxide/silicon (HfO2/SiO2/Si) transistors generated by hot-carrier stressing. The defects are …

Charge Pum** Under Spin Resonance in Metal-Oxide-Semiconductor Transistors

M Hori, Y Ono - Physical Review Applied, 2019 - APS
Gate-pulse-induced recombination, known as charge pum** (CP), is a fundamental
carrier recombination process, and has been utilized as a method for analyzing the electrical …

A new approach to electrically detected magnetic resonance: Spin-dependent transient spectroscopy

KJ Myers, PM Lenahan, JP Ashton… - Journal of Applied Physics, 2022 - pubs.aip.org
Electrically detected magnetic resonance (EDMR) is arguably the most sensitive method
available to study electrically active point defects in semiconductor devices. Most EDMR …

Multiple-photon transitions in electrically detected magnetic resonance measurements of transistors

JP Ashton, PM Lenahan - Physical Review B, 2020 - APS
We report an ultralow-field frequency-swept electrically detected magnetic resonance
(fsEDMR) measurement scheme sensitive to so-called ultrastrong coupling in paramagnetic …

Near-zero-field magnetoresistance measurements: A simple method to track atomic-scale defects involved in metal-oxide-semiconductor device reliability

SJ Moxim, FV Sharov, DR Hughart… - Review of Scientific …, 2022 - pubs.aip.org
We demonstrate the ability of a relatively new analytical technique, near-zero-field
magnetoresistance (NZFMR), to track atomic-scale phenomena involved in the high-field …

Electrically detected magnetic resonance study of barium and nitric oxide treatments of 4H-SiC metal-oxide-semiconductor field-effect transistors

JP Ashton, PM Lenahan, DJ Lichtenwalner… - Journal of Applied …, 2019 - pubs.aip.org
We report on the effects of barium interfacial layer (IL) deposition and nitric oxide (NO)
anneals on interface/near-interface defects in 4H-SiC metal-oxide-semiconductor field-effect …