Electron Transport

Pogosov, A. G.; Budantsev, M. V.; Shevyrin, A. A.; Zhdanov, E. Yu.; Pokhabov, D. A.

doi:10.1016/b978-0-12-810512-2.00005-6

Cited by 2 publications

(2 citation statements)

References 29 publications

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“…From the experimental point of view, QPC is a quasi-1D conductor which, like a quantum wire, has quantum confinement in the transverse direction, and is also characterized by adiabatic and ballistic transport in the longitudinal direction. The typical dependence of the QPC conductance on the channel width, which can be controlled, for example, using the voltage applied to split gates, is a stepped curve with plateaus at quantized values of conductance that are multiples of 2e 2 /h (see figure 1) [9,10]. The conductance quantization can be explained within the framework of the model of an ideal reflectionless one-dimensional (1D) electron waveguide connecting the source to the drain.…”

Section: Qpc and Conductance Quantizationmentioning

confidence: 99%

“…In the overwhelming majority of cases, semiconductor nanostructures are manufactured embedded in a substrate. There has, however, been growing interest in studying suspended nanostructures that can be detached from a substrate by selectively etching a sacrificial layer beneath them [2][3][4][5][6][7][8]. The technology of manufacturing suspended nanostructures is described in more detail in the subsequent sections for each kind of nanostructures considered in this review.…”

Section: Introductionmentioning

confidence: 99%

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Suspended semiconductor nanostructures: physics and technology

Pogosov

Shevyrin

Pokhabov

et al. 2022

J. Phys.: Condens. Matter

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The current state of research on quantum and ballistic electron transport in semiconductor nanostructures with a two-dimensional electron gas separated from the substrate and nanoelectromechanical systems is reviewed. These nanostructures fabricated using the surface nanomachining technique have certain unexpected features in comparison to their non-suspended counterparts, such as additional mechanical degrees of freedom, enhanced electron–electron interaction and weak heat sink. Moreover, their mechanical functionality can be used as an additional tool for studying the electron transport, complementary to the ordinary electrical measurements. The article includes a comprehensive review of spin-dependent electron transport and multichannel effects in suspended quantum point contacts, ballistic and adiabatic transport in suspended nanostructures, as well as investigations on nanoelectromechanical systems. We aim to provide an overview of the state-of-the-art in suspended semiconductor nanostructures and their applications in nanoelectronics, spintronics and emerging quantum technologies.

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Section: Qpc and Conductance Quantizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Suspended semiconductor nanostructures: physics and technology

Pogosov

Shevyrin

Pokhabov

et al. 2022

J. Phys.: Condens. Matter

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Nanomaterials Revolutionizing Nano-Electronics Unleashing Potential

Goyal,

Agarwal,

Mehrotra

et al. 2024

Advances in Chemical and Materials Engineering

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Nanotechnology is a rapidly developing field that offers numerous benefits across industries. Nanomaterials, which are materials that are sized between 1 and 100 nanometers, have unique properties such as a high surface-to-volume ratio, which increases reactivity and enables quick reactions. Their optical properties are particularly useful in electronics, with materials like quantum dots and graphene improving power density and efficiency in electronic devices. Additionally, advancements in charge relaxation techniques have improved the electrical and dielectric properties of thermal interface materials, which are essential for maintaining consistent device output without overheating, but integrating components and sensors can be challenging. This study focuses on enhancing current sensing techniques for wide-bandgap power converters, which are crucial for diagnosis, monitoring, and control. Nanotechnology has vast potential for innovation and promises continued growth and integration of nanomaterial-based technologies across diverse electronic applications.

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Electron Transport

Cited by 2 publications

References 29 publications

Suspended semiconductor nanostructures: physics and technology

Suspended semiconductor nanostructures: physics and technology

Nanomaterials Revolutionizing Nano-Electronics Unleashing Potential

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