AuSe (alpha phase Gold Selenide)

AuSe Gold Selenide AuSe (alpha phase) is a metal. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. α-AuSe belongs to the group-XI transition metal monochalcogenides.

The Gold Selenide crystals produced at HQ Graphene have the appearance of mm size needles and have a metallic appearance.


AuSe crystal properties
Crystal size ~sub mm size needles
Electrical properties Metal
Crystal structure monoclinic C
Unit cell parameters a = 1.217 nm, b = 0.3688 nm, c = 0.8381 nm, α = γ = 90°, β = 102.87°
Type Synthetic
Purity >99.995 %
Characterized by XRD, Raman, EDX
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The single crystal AuSe 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: 785 nm Raman system

Raman, XRD and EDX on AuSe:

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Powder X-ray diffraction (XRD) of a single crystal AuSe. X-ray diffraction was performed at room temperature using a D8 Venture Bruker.

Stoichiometric analysis of a single crystal alpha phase AuSe by Energy-dispersive X-ray spectroscopy (EDX).

Raman of a single crystal AuSe. Measurement with a 785nm Raman at room temperature.





HQ Graphene Wiki on:

AuSe (Gold Selenide)


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HQ Graphene is a company registered in The Netherlands, Europe under the number KVK 59652233.

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