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Due to their wide band gaps, III-N materials can exhibit behaviors ranging from the semiconductor class to the dielectric class. Through an analogy between a Metal/AlGaN/AlN/GaN diode and a MOS contact, we make use of this dual nature and…

In ion cancer therapy, high-intensity ion beams are used to treat tumors by taking advantage of the Bragg-Peak. Typical ion therapy centers use particle rates up to $10^{10}$ ions/second for treatment. On the other hand, such intensities…

仪器与探测器 · 物理学 2022-02-02 Manuel Christanell , Maximilian Tomaschek , Thomas Bergauer

We demonstrate a gate dielectric engineering approach leveraging an ultrathin, atomic layer deposited (ALD) silicon oxide interfacial layer (SiL) between the amorphous oxide semiconductor (AOS) channel and the high-k gate dielectric. SiL…

In recent years systematic experimental studies of the temperature dependence of the resistivity in a variety of dilute, ultra clean two dimensional electron/hole systems have revived the fundamental question of localization or,…

无序系统与神经网络 · 物理学 2015-06-24 Alexander Punnoose , Alexander M. Finkel'stein

Interfaces between transition-metal oxides are able to host two-dimensional electron gases (2DEGs) and exhibit exotic quantum phenomena. Here we report the observation of superconductivity below 230 mK for the heterostructure composed of…

Interface state densities, $D_{IT}$, in metal-oxide-semiconductor (MOS) capacitors are rarely reported in the accumulation energy range. It is recognized that the determination of $D_{IT}$ in accumulation is fundamentally obscured by small…

材料科学 · 物理学 2026-04-07 Brian D. Rummel , Sarit Dhar , Robert J. Kaplar

Superconductivity in strontium titanate has remained enigmatic for more than 50 years. The LaAlO$_3$/SrTiO$_3$ (LAO/STO) heterointerface enables systematic dimensional confinement, from a two-dimensional electron gas to…

We investigate by low-temperature transport experiments the sub-threshold behavior of triple-gate silicon field-effect transistors. These three-dimensional nano-scale devices consist of a lithographically defined silicon nanowire surrounded…

介观与纳米尺度物理 · 物理学 2009-11-11 H. Sellier , G. P. Lansbergen , J. Caro , N. Collaert , I. Ferain , M. Jurczak , S. Biesemans , S. Rogge

The polyanionic compound Na2MnSiO4 is regarded as one of the promising cathode materials for Na-ion batteries due to good specific capacity with its attractive prospect of utilization of two electrons in the redox processes. So, in this…

材料科学 · 物理学 2021-10-19 Vishnu Sudarsanan , Anu Maria Augustine , P Ravindran

Combined diverse two-dimensional (2D) materials for semiconductor interfaces are attractive for electrically controllable carrier confinement to enable excellent electrostatic control. We investigated the transport characteristic in…

介观与纳米尺度物理 · 物理学 2021-03-22 Rahul Tripathi , Pritam Bhattacharyya , Sukanta Nandi , Alok Shukla , Abha Misra

In rechargeable batteries, electron transport properties of inorganics in the solid-electrolyte interphase (SEI) critically determine the safety, lifespan and capacity loss of batteries. However, the electron transport properties of…

材料科学 · 物理学 2025-01-23 Xiangyi Zhou , Rongzhi Gao , Ziyang Hu , Weijun Zhou , YanHo Kwok , GuanHua Chen

The atomic-level structural detail and the quantum effects are becoming crucial to device performance as the emerging advanced transistors, representatively GAAFETs, are scaling down towards sub-3nm nodes. However, a multiscale simulation…

Trapped-ion qubits are a leading technology for practical quantum computing. In this work, we present an architectural analysis of a linear-tape architecture for trapped ions. In order to realize our study, we develop and evaluate mapping…

Mo$_8$O$_{23}$ is a low-dimensional chemically robust transition metal oxide coming from a prospective family of functional materials, MoO$_{3-x}$, ranging from a wide gap insulator $(x=0)$ to a metal $(x=1)$. The large number of…

The role of interface states and dielectric mismatch is studied in ultrathin P-doped silicon-on-insulator (SOI) films with thickness of the device layer ($H_{SOI}$) varying from 30 to 8 nm and dopant concentration ($n_{D}$) ranging from…

Transition metal dichalcogenides have shown great promise in the field of gas sensing due to their high catalytic activity and unique electronic properties. They can effectively interact with various gas molecules, making them suitable…

应用物理 · 物理学 2024-09-11 Jemal Yimer Damte , Hassan Ataalite

Unconventional superconductivity and in particular triplet superconductivity have been front and center of topological materials and quantum technology research. Here we report our observation of triplet superconductivity in nonmagnetic…

超导电性 · 物理学 2021-07-20 Shao-Pin Chiu , C. C. Tsuei , Sheng-Shiuan Yeh , Fu-Chun Zhang , Stefan Kirchner , Juhn-Jong Lin

Electronic and dielectric properties of vapor-phase grown MoS_{2} have been investigated in metal/MoS_{2}/silicon capacitor structures by capacitance-voltage and conductancevoltage techniques. Analytical methods confirm the MoS_{2} layered…

材料科学 · 物理学 2019-07-19 M. Belete , S. Kataria , U. Koch , M. Kruth , C. Engelhard , J. Mayer , O. Engström , M. C. Lemme

Silicon nanocrystals (SiNCs) have been under active investigation in the last decades and have been considered as a promising candidate for many optoelectronic applications including highly-efficient solar cells. Some of the fundamental…

材料科学 · 物理学 2020-06-25 Marios Zacharias , Pantelis C. Kelires

In this paper, through careful calibration, we demonstrate the possibility of using a single set of models and parameters to model the ON current and Sub-threshold Slope (SS) of an nMOSFET at 300K and 5K using Technology Computer-Aided…

计算物理 · 物理学 2024-01-01 Prabjot Dhillon , Nguyen Cong Dao , Nguyen Cong Dao , Hiu Yung Wong