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相关论文: Scaling of nano-Schottky-diodes

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We present a novel resistance-compensated I-V method to extract the series resistance, ideality factor, barrier height and built-in potential of a metal-semiconductor diode. We show that a reduced equation arises from a unique but hitherto…

仪器与探测器 · 物理学 2021-09-07 Richard Opio Ocaya , Fahrettin Yakuphanoglu

We performed a comprehensive scaling study of Schottky barrier carbon nanotube transistors using self-consistent, atomistic scale simulations. We restrict our attention to Schottky barrier carbon nanotube FETs whose metal source/drain is…

介观与纳米尺度物理 · 物理学 2009-11-10 Jing Guo , Supriyo Datta , Mark Lundstrom

The low temperature electrical behavior of adjacent silicide/Si Schottky contacts with or without dopant segregation is investigated. The electrical characteristics are very well modeled by thermionic-field emission for non-segregated…

Electronic properties of metal-finite semiconducting carbon nanotube interfaces are studied as a function of the nanotube length using a self-consistent tight-binding theory. We find that the shape of the potential barrier depends on the…

介观与纳米尺度物理 · 物理学 2009-11-10 Yongqiang Xue , Mark A. Ratner

In order to develop a method to extract the parameters of the two inherent Schottky contacts from a single current-voltage (I-V) characteristic curve, the I-V characteristics of metal-semiconductor-metal (MSM) diodes with asymmetric…

材料科学 · 物理学 2014-11-17 Ryo Nouchi

Bardeen's model for the non-ideal metal-semiconductor interface was applied to metal-wrapped cylindrical nanowire systems; a significant effect of the nanowire diameter on the non-ideal Schottky barrier height was found. The calculations…

介观与纳米尺度物理 · 物理学 2019-10-03 Yonatan Calahorra , Eilam Yalon , Dan Ritter

We present electronic transport measurements in individual Au-catalyst/Ge-nanowire interfaces demonstrating the presence of a Schottky barrier. Surprisingly, the small-bias conductance density increases with decreasing diameter. Theoretical…

材料科学 · 物理学 2009-11-13 François Léonard , A. Alec Talin , B. S. Swartzentruber , S. T. Picraux

An atomistic insight into potential barrier formation and band bending at the interface between a metal and an n-type semiconductor is achieved by ab initio simulations and model analysis of a prototype Schottky diode, i.e., niobium doped…

介观与纳米尺度物理 · 物理学 2015-06-17 Yang Jiao , Anders Hellman , Yurui Fang , Shiwu Gao , Mikael Käll

Ballistic electron emission microscopy (BEEM) was performed to obtain nanoscale current versus bias characteristics of non-epitaxial Au on p-type GaAs in order to accurately measure the local Schottky barrier height. Hole injection BEEM…

介观与纳米尺度物理 · 物理学 2015-02-04 I. Sitnitsky , J. J. Garramone , J. R. Abel , P. Xu , S. D. Barber , M. L. Ackerman , J. K. Schoelz , P. M. Thibado , V. P. LaBella

This letter reports the first demonstration of AlN Schottky diodes on bulk AlN substrates by metalorganic chemical vapor phase deposition (MOCVD) with breakdown voltages exceeding 3 kV. The devices exhibited good rectifying characteristics…

应用物理 · 物理学 2023-11-10 Dinusha Herath Mudiyanselage , Dawei Wang , Ziyi He , Bingcheng Da , Houqiang Fu

The potential barrier height at the interface formed by a metal contact and multiple one-dimensional (1D) quasi-ballistic channels in field-effect transistors (FETs) is evaluated across different carbon nanotube and nanowire device…

介观与纳米尺度物理 · 物理学 2022-07-12 Anibal Pacheco-Sanchez , Quim Torrent , David Jiménez

Schottky barriers are often formed at the semiconductor/metal contacts and affect the electrical behaviour of semiconductor devices. In particular, Schottky barriers have been playing a major role in the investigation of the electrical…

应用物理 · 物理学 2021-10-18 Alessandro Grillo , Antonio Di Bartolomeo

We show that carbon nanotube transistors exhibit scaling that is qualitatively different than conventional transistors. The performance depends in an unexpected way on both the thickness and the dielectric constant of the gate oxide.…

材料科学 · 物理学 2009-11-10 S. Heinze , M. Radosavljevic , J. Tersoff , Ph. Avouris

We present theoretical and experimental studies of Schottky diodes that use aligned arrays of single walled carbon nanotubes. A simple physical model, taking into account the basic physics of current rectification, can adequately describe…

介观与纳米尺度物理 · 物理学 2021-07-02 Xinning Ho , Lina Ye , Slava V. Rotkin , Xu Xie , Frank Du , Simon Dunham , Jana Zaumseil , John A. Rogers

We develop a new theoretical approach for modelling a wide range of semiconductor-superconductor structures with arbitrary potential barriers and a spatially-dependent superconducting order parameter. We demonstrate asymmetry in the…

超导电性 · 物理学 2018-03-14 Shlomi Bouscher , Roni Winik , Alex Hayat

We investigate electronic properties of heterojunctions between metallic and semiconducting single-wall carbon nanotubes. Ineffective screening of the long range Coulomb interaction in one-dimensional nanotube systems drastically modifies…

介观与纳米尺度物理 · 物理学 2009-10-31 Arkadi A. Odintsov

A systematic investigation of the electrical characteristics of \b{eta}-Ga2O3 Schottky barrier diodes (SBDs) has been conducted under high-dose 60Co gamma radiation, with total cumulative doses reaching up to 5 Mrad (Si). Initial exposure…

应用物理 · 物理学 2025-10-21 Saleh Ahmed Khan , Sudipto Saha , Uttam Singisetti , A F M Anhar Uddin Bhuiyan

We show that carbon nanotube transistors operate as unconventional "Schottky barrier transistors", in which transistor action occurs primarily by varying the contact resistance rather than the channel conductance. Transistor characteristics…

材料科学 · 物理学 2016-08-31 S. Heinze , J. Tersoff , R. Martel , V. Derycke , J. Appenzeller , Ph. Avouris

Electronic processes in a semiconductor system consisting of some Resonant Tunnelling Structures, built in the depletion region of a Schottky barrier, are investigated. It is shown that the Schottky barrier can block or unblock the resonant…

介观与纳米尺度物理 · 物理学 2009-05-14 D. I. Sheka , O. V. Tretyak , A. M. Korol , A. K. Sen , A. Mookerjee

Recently demonstrated metal-semiconductor heterojunctions with few-atom thickness show their promise as 2D Schottky contacts for future integrated circuits and nanoelectronics. The theory for 3D Schottky contacts, however, fails on these…

应用物理 · 物理学 2017-04-26 Fangbo Xu , Alex Kutana , Yang Yang , Boris I. Yakobson
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