Gallium Selenide (GaSe) (2H phase)

Gallium Selenide (GaSe) (2H phase)

Catalog Number: ACM12024112-3

CAS Number: 12024-11-2

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Description

Description GaSe (2H phase) is a semiconductor with an indirect band gap of about 2.1 eV. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. GaSe belongs to group 13 late transition metal monochalcogenides.

Features And Benefits

Features And Benefits The 2H phase of Gallium Selenide has a typical lateral size of ~0.6-0.8 cm and has a dark-copper metallic appearance.

Application

Application GaSe has been used as semiconductors, photoconductors, second-harmonic generating crystals in nonlinear optics, and far-infrared conversion materials.

Specifications

Synonyms	Gallium (II) selenide, Selanylidenegallium
Molecular Weight	148.69 g/mol
Purity	>99.995 %
Appearance	Dark copper
Bandgap	~ 2.1 eV (indirect)
Characterization Methods	XRD, Raman, EDX
Classification	Transition metal dichalcogenides (TMMCs), 2D semiconductor materials, Nano-electronics, Nano-photonics, Photovoltaic, Materials science
Crystal Structure And Type	Hexagonal
Dimension	~10 mm
Electrical Property	Semiconductor
Production Method	Chemical vapour transport (CVT)
Type	Synthetic
Unit Cell Parameters	a = b = 0.374 nm, c = 1.592 nm, α = β = 90°, γ =120°

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