Toward high‐performance diamond electronics: Control and annihilation of dislocation propagation by metal‐assisted termination

S Ohmagari, H Yamada, N Tsubouchi… - … status solidi (a), 2019 - Wiley Online Library
A major obstacle limiting diamond electronics is dislocations, which deteriorate device
properties. As threading dislocations (TDs) are normally inherited from the substrate to the …

Boron inhomogeneity of HPHT-grown single-crystal diamond substrates: Confocal micro-Raman mapping investigations

K Srimongkon, S Ohmagari, Y Kato… - Diamond and Related …, 2016 - Elsevier
Diamond-based rectifiers are promising devices for the development of next-generation
power electronics. However, the present device structure limits current operation as low as 5 …

Suppression of killer defects in diamond vertical-type Schottky barrier diodes

A Kobayashi, S Ohmagari, H Umezawa… - Japanese Journal of …, 2020 - iopscience.iop.org
Vertical architectures in diamond Schottky barrier diodes (VSBDs) are favorable for realizing
high-current operation. However, a major obstacle affecting performance is the presence of …

Effect of growth rate on the incorporation of silicon impurity in single crystal diamond

W Lin, X Lv, Q Wang, L Li, G Zou - Materials Science in Semiconductor …, 2024 - Elsevier
In this paper, we systematically investigate the influence of growth rate on the incorporation
of silicon in single crystal diamond. The intensity of SiV− center is significantly enhanced …

TEM study of defects versus growth orientations in heavily boron‐doped diamond

F Lloret, D Araujo, MP Alegre… - … status solidi (a), 2015 - Wiley Online Library
Heavy boron‐doping layer in diamond can be responsible for the generation of extended
defects during the growth processes (Blank et al., Diam. Relat. Mater. 17, 1840 (2008)). As …

Imaging of diamond defect sites by electron-beam-induced current

S Kono, T Teraji, H Kodama, A Sawabe - Diamond and Related Materials, 2015 - Elsevier
The method of electron-beam-induced current (EBIC) was used to visualize the defect sites
on a p-type (boron-doped) diamond (001) film. For this purpose, an Ag-Schottky layer (~ 2 …

Fabrication and characterization of a corner architecture Schottky barrier diode structure

S Nicley, S Zajac, R Rechenberg… - … status solidi (a), 2015 - Wiley Online Library
The corner architecture Schottky barrier diode (SBD) structure is proposed as an alternative
vertical architecture for the realization of high power, high temperature, single crystal …

Impact of nonhomoepitaxial defects in depleted diamond MOS capacitors

TT Pham, JC Piñero, A Marechal… - … on Electron Devices, 2018 - ieeexplore.ieee.org
In this paper, we introduce a set of experiments and analyses to comprehensively correlate
the epitaxial structural defects and electrical characteristics in the pseudovertical …

Conductive-probe atomic force microscopy and Kelvin-probe force microscopy characterization of OH-terminated diamond (111) surfaces with step-terrace structures

M Nagai, R Yoshida, T Yamada… - Japanese Journal of …, 2019 - iopscience.iop.org
We characterized OH-terminated diamond (111) surfaces which show step-terrace (ST) and
bunching-step (BS) regions from contact potential difference (CPD) and current to …

Crystalline Defects Induced during MPCVD Lateral Homoepitaxial Diamond Growth

F Lloret, D Eon, E Bustarret, D Araujo - Nanomaterials, 2018 - mdpi.com
The development of new power devices taking full advantage of the potential of diamond
has prompted the design of innovative 3D structures. This implies the overgrowth towards …