Oxidation dynamics of ultrathin GaSe probed through Raman spectroscopy

A Bergeron, J Ibrahim, R Leonelli… - Applied physics letters, 2017 - pubs.aip.org
Gallium selenide (GaSe) is a 2D material with a thickness-dependent gap, strong non-linear
optical coefficients, and uncommon interband optical selection rules, making it interesting for …

[HTML][HTML] Oxidation of ultrathin GaSe

TE Beechem, BM Kowalski, MT Brumbach… - Applied physics …, 2015 - pubs.aip.org
Oxidation of exfoliated gallium selenide (GaSe) is investigated through Raman,
photoluminescence, Auger, and X-ray photoelectron spectroscopies. Photoluminescence …

Polytypism in few-layer gallium selenide

SY Lim, JU Lee, JH Kim, L Liang, X Kong, TTH Nguyen… - Nanoscale, 2020 - pubs.rsc.org
Gallium selenide (GaSe) is one of the layered group-III metal monochalcogenides, which
has an indirect bandgap in the monolayer and a direct bandgap in bulk unlike other …

Effect of illumination and Se vacancies on fast oxidation of ultrathin gallium selenide

L Shi, Q Li, Y Ouyang, J Wang - Nanoscale, 2018 - pubs.rsc.org
Gallium selenide (GaSe) has recently emerged as a unique platform due to its exciting
properties, namely, large and fast photo-response, high carrier mobility and non-linear …

Role of humidity in oxidation of ultrathin GaSe

BM Kowalski, N Manz, D Bethke… - Materials Research …, 2019 - iopscience.iop.org
The oxidation mechanisms of exfoliated Gallium Selenide (GaSe) are strongly influenced by
humidity. We have observed that the presence of water molecules leads to formation of Ga 2 …

Preparation, Chemical Composition, and Optical Properties of (β–Ga2O3 Composite Thin Films)/(GaSxSe1−x Lamellar Solid Solutions) Nanostructures

V Sprincean, L Leontie, I Caraman, O Lupan, R Adeling… - Nanomaterials, 2023 - mdpi.com
GaSxSe1− x solid solutions are layered semiconductors with a band gap between 2.0 and
2.6 eV. Their single crystals are formed by planar packings of S/Se-Ga-Ga-S/Se type, with …

Ultrafast damage dynamics and ablation mechanism of GaSe induced by femtosecond laser irradiation

X Pan, Y Wang, H Bai, C Ren, W Zhang, J Wang… - Applied Surface …, 2023 - Elsevier
With the development of high-power infrared lasers and optical devices based on GaSe,
more attention has been paid to its optical damage under laser irradiation. Understanding …

Effect of antireflection microstructures on the optical properties of GaSe

AP Yelisseyev, LI Isaenko, SI Lobanov… - Optical Materials …, 2022 - opg.optica.org
The main application area for GaSe crystals is nonlinear optics, but there are problems with
machining and antireflection coatings due to the layered structure of GaSe. Large GaSe …

Single crystalline β-Ga2O3 nanowires synthesized by thermal oxidation of GaSe layer

E Filippo, M Siciliano, A Genga, G Micocci… - Materials Research …, 2013 - Elsevier
β-Ga2O3 nanowires were grown by thermal oxidation of GaSe single crystal surface under a
mixture of argon–air flow, without the presence of a catalyst or foreign substrate. The …

Investigation of In2SexOy/In2Se3/Si dual-junction photodiode for self-powered broadband photodetection

K Li, K Ling, W Li, X Liu - Applied Physics Letters, 2024 - pubs.aip.org
We report a dual-junction strategy for fabricating a high-performance In 2 Se x O y/In 2 Se
3/Si heterojunction photodiode by oxidizing the epitaxial In 2 Se 3 thin films. The device …