Science and metrology of defects in graphene using Raman spectroscopy

LG Cançado, VP Monken, JLE Campos, JCC Santos… - Carbon, 2024 - Elsevier
This article offers a historical account of the evolution of defect metrology in graphene
through Raman spectroscopy over the past five decades. The application of Raman …

2D material science: Defect engineering by particle irradiation

M Schleberger, J Kotakoski - Materials, 2018 - mdpi.com
Two-dimensional (2D) materials are at the heart of many novel devices due to their unique
and often superior properties. For simplicity, 2D materials are often assumed to exist in their …

Ion beam modification of two-dimensional materials: Characterization, properties, and applications

Z Li, F Chen - Applied Physics Reviews, 2017 - pubs.aip.org
The layered two-dimensional (2D) materials, eg, the well-known graphene, transition metal
dichalcogenides, and topological insulators, have attracted great interest of researchers …

Supported two-dimensional materials under ion irradiation: the substrate governs defect production

S Kretschmer, M Maslov, S Ghaderzadeh… - … applied materials & …, 2018 - ACS Publications
Focused ion beams perfectly suit for patterning two-dimensional (2D) materials, but the
optimization of irradiation parameters requires full microscopic understanding of defect …

Engineering SYK interactions in disordered graphene flakes under realistic experimental conditions

M Brzezińska, Y Guan, OV Yazyev, S Sachdev… - Physical Review Letters, 2023 - APS
We model interactions following the Sachdev-Ye-Kitaev (SYK) framework in disordered
graphene flakes up to 300 000 atoms in size (∼ 100 nm in diameter) subjected to an out-of …

Understanding the interaction between energetic ions and freestanding graphene towards practical 2D perforation

J Buchheim, RM Wyss, I Shorubalko, HG Park - Nanoscale, 2016 - pubs.rsc.org
We report experimentally and theoretically the behavior of freestanding graphene subjected
to bombardment of energetic ions, investigating the capability of large-scale patterning of …

Identifying Luminescent Boron Vacancies in h-BN Generated Using Controlled He+ Ion Irradiation

S Sarkar, Y Xu, S Mathew, M Lal, JY Chung… - Nano Letters, 2023 - ACS Publications
The defect emission from h-BN at 1.55 eV is interesting as it enables optical readout of
spins. It is necessary to identify the nature of the relevant point defects for its controlled …

Suspended 2D Materials: A Short Review

Y Dai, T Xue, X Han, X Huang, D Zhang, M Huang… - Crystals, 2023 - mdpi.com
In recent years, there has been a growing fascination with suspended two-dimensional (2D)
materials, owing to their excellent mechanical, optical, and electronic characteristics. This …

Electron-beam induced nano-etching of suspended graphene

B Sommer, J Sonntag, A Ganczarczyk, D Braam… - Scientific reports, 2015 - nature.com
Besides its interesting physical properties, graphene as a two-dimensional lattice of carbon
atoms promises to realize devices with exceptional electronic properties, where freely …

Highly Enhanced Curie Temperature in Ga‐Implanted Fe3GeTe2 van der Waals Material

M Yang, Q Li, RV Chopdekar, C Stan… - Advanced Quantum …, 2020 - Wiley Online Library
Among many efforts in the research of van der Waals (vdW) magnetic materials, increasing
the Curie temperature above room temperature has been at the center of research in …