Layers and Phase Identification of h- and m-GaTe via Second Harmonic Generation

Shi Qiu; Hongsheng Liu; Juan Hou; Zhongran Wei; Hu Jiang; Junfeng Gao

doi:10.1039/d5nr04852d

January 1, 2026Nanoscale

Layers and Phase Identification of h- and m-GaTe via Second Harmonic Generation

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Key Points

The study aims to differentiate between the hexagonal and monoclinic phases of GaTe using second harmonic generation techniques.
Used second harmonic generation to analyze the crystallization of GaTe phases.
Compared optical properties of h-GaTe and m-GaTe.
Conducted measurements to identify phase-specific characteristics.
Successfully identified distinct optical signatures for h- and m-GaTe.
Revealed that the phases exhibit differences in electronic properties.
Concluded that second harmonic generation is an effective method for phase detection.

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Implication

This research identifies the phases of GaTe in two-dimensional forms, indicating important properties for semiconductor applications.

Abstract

Two-dimensional (2D) GaTe is a recently synthesized III–VI semiconductor that can crystallize in either a hexagonal (h) phase or a monoclinic (m) phase, and these two phases show clearly different...

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Cite This Study

Qiu et al. (2026) studied this question.

synapsesocial.com/papers/6996a84cecb39a600b3eeeb6 https://doi.org/10.1039/d5nr04852d

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Layers and Phase Identification of h- and m-GaTe via Second Harmonic Generation

Key Points

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Implication

Abstract

Discussion

Cite This Study

Layers and Phase Identification of h- and m-GaTe via Second Harmonic Generation

Key Points

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Implication

Abstract

Discussion

Cite This Study

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