Structural, electronic and optical properties of anisotropic AlN/BP van der Waals heterostructures with high carrier mobility and remarkable optical absorption

Nourozi, Bromand; Khoeini, Farhad; Boochani, Arash

doi:10.1016/j.inoche.2024.112830

Inorganic Chemistry Communications

2024

DOI: 10.1016/j.inoche.2024.112830

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Structural, electronic and optical properties of anisotropic AlN/BP van der Waals heterostructures with high carrier mobility and remarkable optical absorption

Bromand Nourozi,

Farhad Khoeini,

Arash Boochani

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2024

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Electronic and Structural Analysis of TMD/BP Heterostructures: Insights from Raman Spectroscopy, SEM, and Correlative Probe Electron Microscopy

Saini,

Taneja

et al. 2024

E3S Web Conf.

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The current study was designed in order to study the electrical and structural properties of heterostructures of TMD and BP through Raman spectrum mapping technique, Scanning electron microscopy (SEM) and Correlative Probe electron microscopy (CPEM). Single and few layer heterostructures were prepared by mechanical exfoliation and transferred onto a silicon substrate by poly(methyl methacrylate) (PMMA) transfer method. Optical and CPD mapping manifested increased signal intensity at the edges of the flake, and Raman spectroscopy indicated definite electron density near the fringes of the flake. In this system, scanning electron microscopy (SEM) studies performed employing a range of accelerating voltages have supported the presence of electronic domains within the heterostructures especially at their borderlines. The CPEM analysis showed a significant correlation between the topographical and electronic contrast, where the former was attributed to an intense accumulation of electrons at the edge of the flake and not due to structural flaws. These results highlight the fact that TMD/BP heterostructures possess relatively unique electrical properties and may be suitable for future optoelectronic applications.

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Electronic and Structural Analysis of TMD/BP Heterostructures: Insights from Raman Spectroscopy, SEM, and Correlative Probe Electron Microscopy

Saini,

Taneja

et al. 2024

E3S Web Conf.

View full text Add to dashboard Cite

show abstract

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Structural, electronic and optical properties of anisotropic AlN/BP van der Waals heterostructures with high carrier mobility and remarkable optical absorption

Cited by 1 publication

References 64 publications

Electronic and Structural Analysis of TMD/BP Heterostructures: Insights from Raman Spectroscopy, SEM, and Correlative Probe Electron Microscopy

Electronic and Structural Analysis of TMD/BP Heterostructures: Insights from Raman Spectroscopy, SEM, and Correlative Probe Electron Microscopy

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