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相关论文: Theoretical insights for Improving the Schottky-ba…

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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…

介观与纳米尺度物理 · 物理学 2014-11-04 Robert Balsano , Chris Durcan , Akitomo Matsubayashi , Vincent P. LaBella

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…

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…

材料科学 · 物理学 2021-05-19 Jiaqi Chen , Zhaofu Zhang , Yuzheng Guo , John Robertson

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

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

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…

材料科学 · 物理学 2026-03-10 Viviana Dovale-Farelo , Kamal Choudhary

The formation of a Schottky barrier at the interface between a metal and hexagonal boron nitride (h-BN) is studied using density functional theory. For metals whose work functions range from 4.2 to 6.0 eV, we find Schottky barrier heights…

介观与纳米尺度物理 · 物理学 2014-08-15 Menno Bokdam , Geert Brocks , Mikhail I. Katsnelson , Paul J. Kelly

Due to Fermi level pinning (FLP), metal-semiconductor contact interfaces result in a Schottky barrier height (SBH), which is usually difficult to tune. This makes it challenging to efficiently inject both electrons and holes using the same…

介观与纳米尺度物理 · 物理学 2021-02-15 Krishna Murali , Medha Dandu , Kenji Watanabe , Takashi Taniguchi , Kausik Majumdar

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

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…

材料科学 · 物理学 2015-05-20 D. Tomer , S. Rajput , L. J. Hudy , C. H. Li , L. Li

We present first-principles calculations of Schottky barrier heights (SBHs) at interfaces relevant for silicon-based merged-element transmon qubit devices. Focusing on Al(111)/Si(111) and CoSi$_2$(111)/Si(111), we consider various possible…

材料科学 · 物理学 2024-07-12 J. K. Nangoi , C. J. Palmstrøm , C. G. Van de Walle

Electrical properties of metal-semiconductor (M/SC) and metal/oxide/SC structures built with Zr or ZrO\_2 deposited on oxygen-terminated surfaces of (001)-oriented diamond films, comprising a stack of lightly p-doped diamond on a heavily…

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

The Schottky barrier height ($E_{SBH}$) is a crucial factor in determining the transport properties of semiconductor materials as it directly regulates the carrier mobility in opto-electronics devices. In principle, van der Waals (vdW)…

介观与纳米尺度物理 · 物理学 2022-03-10 Yuqi Chen , Huanhuan Zhang , Bo Wen , Xibo Li , Yifeng Chai , Ying Xu , Xiaolin Wei , Wen-Jin Yin , Gilberto Teobaldi

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…

介观与纳米尺度物理 · 物理学 2013-02-14 K. G. Rana , S. Parui , T. Banerjee

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

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…

综合物理 · 物理学 2017-08-24 Liu Changshi

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

We report over 3 kV breakdown voltage and ultra-low leakage (011) \b{eta}-Ga2O3 power devices utilizing Schottky barrier engineering and high-permittivity (\k{appa}) dielectric (ZrO2) field plate. The (011) orientation of \b{eta}-Ga2O3…

系统与控制 · 电气工程与系统科学 2025-10-30 Emerson J. Hollar , Esmat Farzana

The problem of Fermi-level pinning at semiconductor-metal contacts is readdressed starting from first-principles calculations for Al/GaAs. We give quantitative evidence that the Schottky barrier height is very little affected by any…

材料科学 · 物理学 2009-10-30 Alice Ruini , Raffaele Resta , Stefano Baroni
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