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In this paper, we have experimentally demonstrated, for the first time, III-V 4D transistors with vertically stacked InGaAs nanowire (NW) channels and gate-all-around (GAA) architecture. Novel process technology enabling the transition from…

介观与纳米尺度物理 · 物理学 2012-12-19 J. J. Gu , X. W. Wang , J. Shao , A. T. Neal , M. J. Manfra , R. G. Gordon , P. D. Ye

High performance InGaAs gate-all-around (GAA) nanowire MOSFETs with channel length (Lch) down to 20nm have been fabricated by integrating a higher-k LaAlO3-based gate stack with an equivalent oxide thickness of 1.2nm. It is found that…

介观与纳米尺度物理 · 物理学 2015-06-15 Jiangjiang J. Gu , Xinwei Wang , Heng Wu , Roy G. Gordon , Peide D. Ye

Graphene nanoribbon (GNR) emerges as an exceptionally promising channel candidate due to its tunable sizable bandgap (0-3 eV), ultrahigh carrier mobility (up to 4600 cm^(2) V^(-1) s^(-1)), and excellent device performance (current on-off…

介观与纳米尺度物理 · 物理学 2024-08-15 Linqiang Xu , Shiqi Liu , Qiuhui Li , Ying Li , Shibo Fang , Ying Guo , Yee Sin Ang , Chen Yang , Jing Lu

Gate capacitances of back-gated nanowire field-effect transistors (NW-FETs) are calculated by means of finite element methods and the results are compared with analytical results of the ``metallic cylinder on an infinite metal plate…

其他凝聚态物理 · 物理学 2009-11-11 Olaf Wunnicke

In this paper, 20nm - 80nm channel length (Lch) InGaAs gate- all-around (GAA) nanowire MOSFETs with record high on- state and off-state performance have been demonstrated by equivalent oxide thickness (EOT) and nanowire width (WNW) scaling…

介观与纳米尺度物理 · 物理学 2012-12-19 J. J. Gu , X. W. Wang , H. Wu , J. Shao , A. T. Neal , M. J. Manfra , R. G. Gordon , P. D. Ye

As metal-oxide-semiconductor field-effect transistors (MOSFET) channel lengths (Lg) are scaled to lengths shorter than Lg<8 nm source-drain tunneling starts to become a major performance limiting factor. In this scenario a heavier transport…

介观与纳米尺度物理 · 物理学 2015-06-15 Saumitra Mehrotra , SungGeun Kim , Tillmann Kubis , Michael Povolotskyi , Mark Lundstrom , Gerhard Klimeck

The first inversion-mode gate-all-around (GAA) III-V MOSFETs are experimentally demonstrated with a high mobility In0.53Ga0.47As channel and atomic-layer-deposited (ALD) Al2O3/WN gate stacks by a top-down approach. A well-controlled InGaAs…

介观与纳米尺度物理 · 物理学 2016-11-17 Jiangjiang Gu , Yiqun Liu , Yanqing Wu , Robert Colby , Roy G. Gordon , Peide D. Ye

Bottom-up synthesized GNRs and GNR heterostructures have promising electronic properties for high performance field effect transistors (FETs) and ultra-low power devices such as tunnelling FETs. However, the short length and wide band gap…

Recently, short channel effects (SCE) and power consumption dissipation problems pose big challenges which need imperative actions to be taken to deal with for field effect transistor to further scale down as semiconductor technology enters…

应用物理 · 物理学 2023-04-18 Laixiang Qin , Chunlai Li , Ziang Xie , Yiqun Wei , Jin He

Ultra-thin (UT) oxide semiconductors are promising candidates for back-end-of-line (BEOL) compatible transistors and monolithic three-dimensional integration. Experimentally, UT indium oxide (In$_2$O$_3$) field-effect transistors (FETs)…

应用物理 · 物理学 2023-11-07 Linqiang Xu , Lianqiang Xu , Jun Lan , Yida Li , Qiuhui Li , Aili Wang , Ying Guo , Yee Sin Ang , Ruge Quhe , Jing Lu

Recently, an extremely-air-stable one-dimensional 7-9-7-AGNR was successfully fabricated. To further reveal its potential application in sub-5-nm field-effect transistors (FETs), there is an urgent need to develop integrated circuits. Here,…

介观与纳米尺度物理 · 物理学 2023-10-17 Hang Guo , Xian Zhang , Shuai Chen , Li Huang , Yan Dong , Zhi-Xin Guo

Solution processed field-effect transistors based on single crystalline silicon nanowires (Si NWs) with metal Schottky contacts are demonstrated. The semiconducting layer was deposited from a nanowire ink formulation at room temperature.…

介观与纳米尺度物理 · 物理学 2017-01-11 Charles Opoku , Radu Sporea , Vlad Stolojan , Ravi Silva , Maxim Shkunov

We introduce a fabrication method for gate-all-around nanowire field-effect transistors. Single nanowires were aligned perpendicular to underlying bottom gates using a resist-trench alignment technique. Top gates were then defined aligned…

Difficulties in obtaining high-performance p-type transistors and gate insulator charge-trapping effects present two major challenges for III-V complementary metal-oxide semiconductor (CMOS) electronics. We report a p-GaAs nanowire…

介观与纳米尺度物理 · 物理学 2018-09-28 A. R. Ullah , F. Meyer , J. G. Gluschke , S. Naureen , P. Caroff , P. Krogstrup , J. Nygard , A. P. Micolich

A physics-based compact model for silicon gate-all-around (GAA) nanowire tunneling FETs (NW-tFETs) with good accuracy has been developed by considering Phonon-Assisted Tunneling (PAT) and transition from Quantum Capacitance Limit (QCL) to…

介观与纳米尺度物理 · 物理学 2014-12-08 Qiming Shao , Can Zhao , Jinyu Zhang , Li Zhang , Zhiping Yu

An evaluation of the gate capacitance of a field-effect transitor (FET) whose channel length and width are several ten nanometer, is a key point for sensors applications. However, experimental and precise evaluation of capacitance in the aF…

介观与纳米尺度物理 · 物理学 2011-09-16 Nicolas Clement , Katsuhiko Nishiguchi , Akira Fujiwara , Dominique Vuillaume

InGaAs gate-all-around nanowire MOSFETs with channel length down to 50nm have been experimentally demonstrated by top-down approach. The nanowire size-dependent transport properties have been systematically investigated. It is found that…

介观与纳米尺度物理 · 物理学 2015-06-04 Jiangjiang J. Gu , Heng Wu , Yiqun Liu , Adam T. Neal , Roy G. Gordon , Peide D. Ye

In this study, InSb nanowires have been formed by electrodeposition and integrated into NW-FETs. NWs were formed in porous anodic alumina (PAA) templates, with the PAA pore diameter of approximately 100 nm defining the NW diameter.…

介观与纳米尺度物理 · 物理学 2015-05-28 Suprem R. Das , Collin J. Delker , Dmitri Zakharov , Yong P. Chen , Timothy D. Sands , David B. Janes

Steep-slope $\beta$-Ga$_2$O$_3$ nano-membrane negative capacitance field-effect transistors (NC-FETs) are demonstrated with ferroelectric hafnium zirconium oxide in gate dielectric stack. Subthreshold slope less than 60 mV/dec at room…

材料科学 · 物理学 2017-11-03 Mengwei Si , Lingming Yang , Hong Zhou , Peide D. Ye

The performance limits of the multilayer graphene nanoribbon (GNR) field-effect transistor (FET) are assessed and compared to those of monolayer GNR FET and carbon nanotube (CNT) FET. The results show that with a thin high-k gate insulator…

介观与纳米尺度物理 · 物理学 2009-12-14 Yijian Ouyang , Hongjie Dai , Jing Guo
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