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Non-reciprocity in the critical current has been observed in a variety of superconducting systems and has been called the superconducting diode effect. The origin underlying the effect depends on the symmetry breaking mechanisms at play. We…

The superconducting diode effect (SDE) - the asymmetry of critical currents with respect to current direction - is a pivotal advancement in non-reciprocal superconductivity. While SDE has been realized in diverse systems, a fundamental…

Superconductivity · Physics 2025-10-02 Peng Dong , Jinghui Wang , Yanjiang Wang , Jianjun Xiao , Xiang Zhou , Hui Xing , Yueshen Wu , Yulin Chen , Jinsheng Wen , Jun Li

We explore Weyl and Dirac semimetals with tilted nodes as platforms for realizing an intrinsic superconducting diode effect. Although tilting breaks sufficient spatial and time-reversal symmetries, we prove that -- at least for conventional…

Superconductivity · Physics 2024-02-28 Kai Chen , Bishnu Karki , Pavan Hosur

In this letter, we present a kilovolt-class \b{eta}-Ga2O3 vertical trench Schottky barrier diode with a field plate incorporating narrow fin width (Wfin) structures of sub-micron dimensions. We used a nanolaminate dielectric comprising a…

Applied Physics · Physics 2025-09-29 Chinmoy Nath Saha , Saurav Roy , Yizheng Liu , Carl Peterson , Sriram Krishnamoorthy

As the fast development of internet of things (IoTs), distributed sensors have been frequently used and the small and portable power sources are highly demanded. However, the present portable power source such as lithium battery has low…

Applied Physics · Physics 2020-10-26 Xutao Yu , Haonan Zheng , Yanghua Lu , Jiaqi Si , Runjiang Shen , Yanfei Yan , Zhenzhen Hao , Shisheng Lin

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

Reverse-biased graphene (Gr)/semiconductor Schottky diodes exhibit much enhanced sensitivity for gas sensing. However, carrier transport across the junctions is not fully understood yet. Here, Gr/SiC, Gr/GaAs and Gr/Si Schottky junctions…

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

High-quality N-polar GaN p-n diodes are realized on single-crystal N-polar GaN bulk substrate by plasma-assisted molecular beam epitaxy. The room-temperature current-voltage characteristics reveal a high on/off current ratio of 10^11 at 4 V…

Materials Science · Physics 2022-05-24 Kazuki Nomoto , Huili Grace Xing , Debdeep Jena , YongJin Cho

Scaling field-effect transistors (FETs) into the sub-10-nm regime fundamentally alters the transport mechanism, challenging long-standing design rules. This study investigates monolayer TMD FETs with channel lengths from 12 nm to 3 nm,…

Mesoscale and Nanoscale Physics · Physics 2026-01-15 Yu-Chang Chen , Chia-Yang Ling , Ken-Ming Lin

Current studies of non-reciprocal superconducting (SC) transport have centered on the forward-backward asymmetry of the critical current measured along a single axis. In most realizations, this diode effect is achieved via introducing…

Superconductivity · Physics 2025-12-05 F. Yang , L. Q. Chen

The ideal diode is a theoretical concept that completely conducts the electric current under forward bias without any loss and that behaves like a perfect insulator under reverse bias. However, real diodes have a junction barrier that…

Materials Science · Physics 2020-09-25 E. Şaşıoğlu , T. Aull , D. Kutschabsky , S. Blügel , I. Mertig

The intrinsic spin-dependent transport properties of two types of lateral VS2|MoS2 heterojunctions are systematically investigated using first-principles calculations, and their various nanodevices with novel properties are designed. The…

We present a compact model for Tunnel Field Effect Transistors (TFET), that captures sev- eral non-idealities such as the Trap Assisted Tunneling (TAT) originating from interface traps (Dit), along with Verilog-A implementation. We show…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Redwan N. Sajjad , Ujwal Radhakrishna , Dimitri A. Antoniadis

In this work, an analytical model to calculate the channel potential and current-voltage characteristics in a Symmetric tunneling Field-Effect-Transistor (SymFET) is presented. The current in a SymFET flows by tunneling from an n-type…

Mesoscale and Nanoscale Physics · Physics 2013-01-07 Pei Zhao , Randall M. Feenstra , Gong Gu , Debdeep Jena

Superconducting thin-film electronics are attractive for their low power consumption, fast operating speeds, and ease of interface with cryogenic systems such as single-photon detector arrays, and quantum computing devices. However, the…

Van der Waals heterostructures are the ideal material platform for tunnel field effect transistors (TFETs) because a band-to-band tunneling (BTBT) dominant current is feasible at room temperature (RT) due to ideal, dangling bond free…

Materials Science · Physics 2020-12-03 Keigo Nakamura , Naoka Nagamura , Keiji Ueno , Takashi Taniguchi , Kenji Watanabe , Kosuke Nagashio

This paper enumerates new architecture of low power dual-edge triggered Flip-Flop (DETFF) designed at 180nm CMOS technology. In DETFF same data throughput can be achieved with half of the clock frequency as compared to single edge triggered…

Other Computer Science · Computer Science 2014-12-30 Anurag , Gurmohan Singh , V. Sulochana

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…

Two-dimensional (2D) massless Dirac electrons appear on a surface of three-dimensional topological insulators. The conductivity of such a 2D Dirac electron system is studied for strong topological insulators in the case of the Fermi level…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 Yositake Takane

We propose a hybrid device consisting of a graphene/silicon (Gr/Si) Schottky diode in parallel with a Gr/SiO2/Si capacitor for high-performance photodetection. The device, fabricated by transfer of commercial graphene on low-doped n-type Si…

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