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The thermal stability of most electronic and photo-electronic devices strongly depends on the relationship between Schottky Barrier Height (SBH) and temperature. In this paper, the possible of thermionic current depicted via correct and…

General Physics · Physics 2017-08-24 Liu Changshi

The Schottky barrier height (SBH) is mapped with nanoscale resolution at pure Au/Si(001) and mixed Au/Ag/Si(001) interfaces utilizing ballistic electron emission microscopy (BEEM) by acquiring and fitting spectra every 11.7 nm over a 1…

Mesoscale and Nanoscale Physics · Physics 2014-11-04 Robert Balsano , Chris Durcan , Akitomo Matsubayashi , Vincent P. LaBella

A low Schottky barrier height (SBH) at source/drain contact is essential for achieving high drive current in atomic layer MoS2 channel based field-effect transistors. Approaches such as choosing metals with appropriate work functions and…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Anuja Chanana , Santanu Mahapatra

In this paper, the electrical behavior of tungsten carbide (WC) Schottky barrier on 4H-SiC was investigated. First, a statistical current-voltage (I-V) analysis in forward bias, performed on a set of equivalent diodes, showed a symmetric…

We investigate electron transport across a complex oxide heterointerface of La$_{0.67}$Sr$_{0.33}$MnO$_3$ (LSMO) on Nb:SrTiO$_3$ (Nb:STO) at different temperatures. For this, we employ the conventional current-voltage method as well as the…

Mesoscale and Nanoscale Physics · Physics 2013-02-14 K. G. Rana , S. Parui , T. Banerjee

Graphene interfaced with a semiconductor forms a Schottky junction with rectifying properties, however, fluctuations in the Schottky barrier height are often observed. In this work, Schottky junctions are fabricated by transferring chemical…

Materials Science · Physics 2015-05-20 D. Tomer , S. Rajput , L. J. Hudy , C. H. Li , L. Li

The Schottky barrier of a metal-semiconductor junction is one of the key quantities affecting the charge transport in a transistor. The Schottky barrier height depends on several factors, such as work function difference, local atomic…

Mesoscale and Nanoscale Physics · Physics 2020-12-09 Line Jelver , Daniele Stradi , Kurt Stokbro , Karsten Wedel Jacobsen

An aluminum nitride (AlN) Schottky barrier diode (SBD) was fabricated on a nonpolar AlN crystal grown on tungsten substrate by physical vapor transport. The Ni/Au-AlN SBD features a low ideality factor n of 3.3 and an effective Schottky…

The forward and reverse current-voltage characteristics of the Mo/n-Si Schottky barrier structures have been studied experimentally in the temperature range 130-330 K. It is found that Shottky barrier height increases and time ideality…

Materials Science · Physics 2013-02-26 Oleg Olikh

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…

Mesoscale and Nanoscale Physics · Physics 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

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…

Materials Science · Physics 2014-11-17 Ryo Nouchi

In this work we study the Schottky barrier height (SBH) at the junction between $\beta$-Ga$_2$O$_3$ and platinum, a system of great importance for the next generation of high-power and high-temperature electronic devices. Specifically, we…

Materials Science · Physics 2022-01-06 Félix Therrien , Andriy Zakutayev , Vladan Stevanović

Realizing an optimal Schottky interface of graphene on Si is challenging, as the electrical transport strongly depends on the graphene quality and the fabrication processes. Such interfaces are of increasing research interest for…

Mesoscale and Nanoscale Physics · Physics 2017-02-08 S. Parui , R. Ruiter , P. J. Zomer , M. Wojtaszek , B. J. van Wees , T. Banerjee

Accurate prediction of Schottky barrier heights (SBHs) at metal-semiconductor (M-SC) interfaces is essential for understanding and optimizing charge injection in electronic and optoelectronic devices. However, first-principles calculations…

Materials Science · Physics 2026-03-10 Viviana Dovale-Farelo , Kamal Choudhary

The newly emerging class of atomically-thin materials has shown a high potential for the realisation of novel electronic and optoelectronic components. Amongst this family, semiconducting transition metal dichalcogenides (TMDCs) are of…

Mesoscale and Nanoscale Physics · Physics 2018-03-13 Nicola J. Townsend , Iddo Amit , Monica F. Craciun , Saverio Russo

Detail transport properties of graphene/MoS2/metal vertical heterostructure have been investigated. The van der Waals interface between the graphene and MoS2 exhibits Schottky barrier. The application of gate voltage to the graphene layer…

Mesoscale and Nanoscale Physics · Physics 2015-03-10 Yohta Sata , Rai Moriya , Takehiro Yamaguchi , Yoshihisa Inoue , Sei Morikawa , Naoto Yabuki , Satoru Masubuchi , Tomoki Machida

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…

Mesoscale and Nanoscale Physics · Physics 2019-10-03 Yonatan Calahorra , Eilam Yalon , Dan Ritter

Using DFT calculations, we investigate the effects of the type, location, and density of point defects in monolayer MoS2 on electronic structures and Schottky barrier heights (SBH) of Au/MoS2 heterojunction. Three types of point defects in…

Materials Science · Physics 2022-08-03 Viacheslav Sorkin , Hangbo Zhou , Zhi Gen Yu , Kah-Wee Ang , Yong-Wei Zhang

The Schottky barrier heights (SBHs) of defect-free interfaces of ZnO, CdO, MgO and SrO with various metals and different terminations are investigated by density functional supercell calculations. The oxide bands are corrected for their…

Materials Science · Physics 2021-05-19 Jiaqi Chen , Zhaofu Zhang , Yuzheng Guo , John Robertson

Monolayers of transition metal dichalcogenides (TMDCs) exhibit excellent electronic and optical properties. However, the performance of these two-dimensional (2D) devices are often limited by the large resistance offered by the metal…

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