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Internal photoemission spectroscopy was used to determine the Schottky barrier height in rectifying SrRuO3/Nb-doped SrTiO3 junctions for 0.01 wt % and 0.5 wt % Nb concentrations. Good agreement was obtained with the barrier height deduced…

强关联电子 · 物理学 2009-11-13 Y. Hikita , Y. Kozuka , T. Susaki , H. Takagi , H. Y. Hwang

In order to investigate the interface termination dependence of perovskite band alignments, we have studied the Schottky barrier height at La$_{0.7}$Sr$_{0.3}$MnO$_3$/Nb:SrTiO$_3$ (001) heterointerfaces. As the Nb:SrTiO$_3$ semiconductor…

强关联电子 · 物理学 2009-11-13 Yasuyuki Hikita , Mitsuru Nishikawa , Takeaki Yajima , Harold Y. Hwang

We have studied the finite bias transport properties of a 2H-1T' MoS$_2$ lateral metal-semiconductor (M-S) junction by non-equilibrium Green's functions calculations, aimed at contacting the 2D channel in a field effect transistor. Our…

介观与纳米尺度物理 · 物理学 2020-05-26 M. Laura Urquiza , Xavier Cartoixà

The effective barrier height between an electrode and a ferroelectric (FE) depends on both macroscopic electrical properties and microscopic chemical and electronic structure. The behavior of a prototypical electrode/FE/electrode structure,…

Schottky barrier inhomogeneities are expected at the metal/TMDC interface and this can impact device performance. However, it is difficult to account for the distribution of interface inhomogeneity as most techniques average over the…

介观与纳米尺度物理 · 物理学 2020-12-15 Calvin Pei Yu Wong , Cedric Troadec , Andrew T. S. Wee , Kuan Eng Johnson Goh

Nickel silicide Schottky diodes formed on polycrystalline Si<P> films are proposed as temperature sensors of monolithic uncooled microbolometer IR focal plane arrays. Structure and composition of nickel silicide/polycrystalline silicon…

A comprehensive current-voltage (I-V) characterization is performed for three different Schottky contacts; Pt, Ni and Ti, to unintentionally doped (UID) \{beta}-(Al0.19Ga0.81)2O3 grown by molecular beam epitaxy (MBE) on \{beta}-Ga2O3 for…

应用物理 · 物理学 2018-03-21 Abhishek Vaidya , K. Sasaki , A. Kuramata , T. Masui , Uttam Singisetti

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…

介观与纳米尺度物理 · 物理学 2016-01-20 Anuja Chanana , Santanu Mahapatra

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

Using current-voltage (I-V) and capacitance-voltage (C-V) measurements, we report on the unusual physics and promising technical applications associated with the formation of Schottky barriers at the interface of a one-atom-thick zero-gap…

材料科学 · 物理学 2012-03-27 S. Tongay , M. Lemaitre , X. Miao , B. Gila , B. R. Appleton , A. F. Hebard

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

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 analyze the properties of Fe Schottky contacts prepared in situ on n-type GaN(0001) by molecular beam epitaxy. In particular, we investigate the suitability of these epitaxial Fe layers for electrical spin injection.…

材料科学 · 物理学 2024-01-31 Sergio Fernàndez-Garrido , Kai U. Ubben , Jens Herfort , Cunxu Gao , Oliver Brandt

Making a metal contact to the two-dimensional semiconductor MoS2 without creating a Schottky barrier is a challenge. Using density functional calculations we show that, although the Schottky barrier for electrons obeys the Schottky-Mott…

材料科学 · 物理学 2015-05-08 Mojtaba Farmanbar , Geert Brocks

This paper reports on the modulation of Schottky barrier heights (SBH) on three different orientations of $\beta$-Ga$_2$O$_3$ by insertion of an ultra-thin SiO$_2$ dielectric interlayer at the metal-semiconductor junction, which can…

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…

介观与纳米尺度物理 · 物理学 2015-03-10 Yohta Sata , Rai Moriya , Takehiro Yamaguchi , Yoshihisa Inoue , Sei Morikawa , Naoto Yabuki , Satoru Masubuchi , Tomoki Machida

Unusual features in the bias dependence of spin transport are observed in a Co/Au/NiFe spin valve fabricated on a highly textured Cu(100)/Si(100) Schottky interface, exploiting the local probing capabilities of a Ballistic electron magnetic…

介观与纳米尺度物理 · 物理学 2017-02-08 S. Parui , K. G. Rana , T. Banerjee

We have measured the very low temperature (down to 30 mK) subgap resistance of Titanium Nitride (Superconductor, Tc = 4.6 K)/highly doped Silicon (Semiconductor) SIN junction (the insulating layer stands for the Schottky barrier). As the…

介观与纳米尺度物理 · 物理学 2009-10-31 F. Lefloch , D. Quirion , M. Sanquer

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

We study the impact of electrical contact barriers in hybrid WSe$_2$-LiNbO$_3$-based acoustoelectric and acousto-photoelectric devices using a combination of scanning photocurrent and acousto-electric current spectroscopy. Static scanning…