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相关论文: Characteristics of Al/Ge Schottky and Ohmic contac…

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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

For electronic and photoelectronic devices based on GeSe, an emergent two dimensional monochalcogenide with many exciting properties predicted, good electrical contacts are of great importance for achieving high device performances and…

介观与纳米尺度物理 · 物理学 2019-01-11 Ranran Li , Wei Xia , Yanfeng Guo , Jiamin Xue

The evolution of the Schottky barrier height (SBH) of Er silicide contacts to n-Si is investigated as a function of the annealing temperature. The SBH is found to drop substantially from 0.43 eV for the as-deposited sample to reach 0.28 eV,…

Current voltage and Kelvin Probe Force Microscopy (KPFM) measurements were performed on single ZnO nanowires. Measurements are shown to be strongly correlated with the contact behavior, either ohmic or Schottky. The ZnO nanowires were…

The segregation of As+ ions implanted into thin Er films deposited on n-Si substrates is studied after ErSi2-x formation. The same lowering of the effective Schottky barrier height (SBH) below 0.12 eV is obtained at moderate annealing…

Ab-initio calculations have been used to study the influence of the interface morphology and, notably, of the exchange reaction on the electronic properties of Al/GaN (100) interfaces. In particular, the effects of interface structure (i.e.…

材料科学 · 物理学 2009-10-31 S. Picozzi , A. Continenza , S. Massidda , A. J. Freeman , N. Newman

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

Al/ maleic anhydride (MA) /p-Si organic Schottky devices were fabricated on a p-Si semiconductor wafer by spin coating. The frequency and voltage dependent dielectric constant of Al/MA/p-Si have been investigated. Dielectric properties and…

材料科学 · 物理学 2016-04-27 S. Bilge Ocak , A. B. Selçuk , S. B. Bayram , A. Ozbay

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

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…

Formation of p+ contact on Germanium is important for applications in diode detector and other electronic devices. In this work, thermally deposited Al on Ge crystal is annealed at 350oC followed by slow cooling for solid-state regrowth of…

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

We report on the superconducting properties of In doped SnTe which has recently been explored as a topological crystalline superconductor. Single crystals of Sn0.5In0.5Te have been synthesized by modified Bridgman method. Resistivity…

超导电性 · 物理学 2014-06-17 V. K. Maurya , Shruti , P. Srivastava , S. Patnaik

The heat transport in heavy-doped n-GaAs has been investigated at temperatures T=300 K and 77 K using the irradiation of the metal-semiconductor contact by modulated CO_{2}-laser radiation. It is shown this approach giving an opportunity to…

材料科学 · 物理学 2007-05-23 A. Ya. Shul'man , N. A. Mordovets , I. N. Kotel'nikov

An attempt to determine theoretically the highly non-linear current-voltage (I-V) characteristics of polycrystalline semiconductors, such as ZnO-based varistors, is made from the electrical properties of individual grain boundaries under dc…

凝聚态物理 · 物理学 2009-10-22 E. Canessa , V. L. Nguyen

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

We present ab-initio local density FLAPW calculations on non-reactive N-terminated [001] ordered GaN/Ag and GaN/Au interfaces and compare the results (such as metal induced gap states and Schottky barrier heights) with those obtained for…

材料科学 · 物理学 2009-10-31 S. Picozzi , A. Continenza , G. Satta , S. Massidda , A. J. Freeman

An analysis is made of the conditions for ohmic contacts realization in the case of Schottky contacts. Based on the classical notions about the mechanisms of current flow, we consider the generalized model of Schottky contact that takes…

材料科学 · 物理学 2016-06-29 A. V. Sachenko , A. E. Belyaev , R. V. Konakova

The electronic and magnetic properties of Fe/GaAs(001) magnetic junctions are investigated using first-principles density-functional calculations. Abrupt and intermixed interfaces are considered, and the dependence of charge transfer,…

其他凝聚态物理 · 物理学 2009-11-11 D. O. Demchenko , Amy Y. Liu

Non-crystalline thin-film Schottky diodes are cost-effective but often exhibit unreliable electrical characteristics due to material imperfections. In this work, I present a Schottky diode structure utilizing in-situ grown Ta2O5 and ZnO…

材料科学 · 物理学 2025-04-02 Jihun Lim