In2Se3 (alpha phase Indium Selenide)
2H In2Se3 (alpha phase) is a semiconductor. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. α-In2Se3 belongs to the group-13 post-transition metal dichalcogenides (TMDC).
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The Indium Selenide crystals have a typical lateral size of ~0.6-0.8 cm. The crystals are hexagonal/rectangular shaped and have a metallic appearance.
More information about the In2Se3 (alpha phase) crystals we sell can be found below.
| Crystal size | ~6-8 mm |
| Electrical properties | Semiconductor |
| Crystal structure | Hexagonal |
| Unit cell parameters | a = b = 0.398 nm, c = 18.89 nm, α = β = 90°, γ = 120° |
| Monolayer properties |  Link to C2DB containing calculated properties |
| Type | Synthetic |
| Purity | >99.995 % |
| Characterized by | XRD, Raman, EDX |
| More information? | Please contact us by email or phone |
The single crystal α-In2Se3 is characterized using:
XRD: single crystal and powder X-ray diffraction (D8 Venture Bruker and D8 Advance Bruker)EDX:Energy-dispersive X-ray spectroscopy for stoichiometric analysis
Raman: 785nm Raman system
Raman, XRD and EDX on α-In2Se3:
Click on an image to zoom
HQ Graphene Wiki on:
In2Se3 (alpha phase)
1. Yan, W., et al. "Nondestructive Picosecond Ultrasonic Probing of Intralayer and van der Waals Interlayer Bonding in α‐and β‐In2Se3." Advanced Functional Materials 31.50 (2021): 2106206.
2. Gao, J., et al. "Intrinsic polarization coupling in 2D α‐In2Se3 toward artificial synapse with multimode operations." SmartMat 2.1 (2021): 88-98.
3. Zhao, Y., et al. "Piezo‐Phototronic Effect in 2D α‐In2Se3/WSe2 van der Waals Heterostructure for Photodetector with Enhanced Photoresponse." Advanced Optical Materials 9.20 (2021): 2100864.
4. Zhang, Y., et al. "Analog and Digital Mode α‐In2Se3 Memristive Devices for Neuromorphic and Memory Applications." Advanced Electronic Materials 7.12 (2021): 2100609.