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Multi-bridge channel field effect transistor (MBCFET) provides several advantages over FinFET technology and is an attractive solution for sub-5 nm technology nodes. MBCFET is a natural choice for devices that use semiconducting layered…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Hitesh S , Pushkar Dasika , Kenji Watanabe , Takashi Taniguchi , Kausik Majumdar

Phase engineering by strains in 2D semiconductors is of great importance for a variety of applications. Here, we present a study of strain induced ferroelectric (FE) transition on bismuth oxyselenide (Bi$_2$O$_2$Se) films, a…

Materials Science · Physics 2023-03-07 Mengqi Wu , Zhefeng Lou , Chen-Min Dai , Tao Wang , Jiaqi Wang , Ziye Zhu , Zhuokai Xu , Tulai Sun , Wenbin Li , Xiaorui Zheng , Xiao Lin

The primary mechanism of operation of almost all transistors today relies on electric-field effect in a semiconducting channel to tune its conductivity from the conducting 'on'-state to a non-conducting 'off'-state. As transistors continue…

We show that the electric polarization at the interface with ultrathin superconducting (S) films sandwiched between ferroelectric (FE) layers allows achievement of substantially stronger modulation of inner carrier density and…

Superconductivity · Physics 2007-05-23 Natalia Pavlenko

Although monolayer black phosphorus (BP) or phosphorene has been successfully exfoliated and its optical properties have been explored, most of electrical performance of the devices is demonstrated on few-layer phosphorene and ultra-thin BP…

Materials Science · Physics 2014-11-05 Yuchen Du , Han Liu , Yexin Deng , Peide D. Ye

Topological insulators (TIs) have been considered as promising candidates for next generation of electronic devices due to their topologically protected quantum transport phenomena. In this work, a scheme for atomic-scale field effect…

Mesoscale and Nanoscale Physics · Physics 2025-10-02 Cunyuan Jiang

Tuning the ambipolar behavior in charge carrier transport via defect-engineering is crucial for achieving high mobility transistors for nonlinear logic circuits. Here, we present the electric-field tunable electron and hole transport in a…

Large capacitance enhancement is useful for increasing the gate capacitance of field-effect transistors (FETs) to produce low-energy-consuming devices with improved gate controllability. We report strong capacitance enhancement effects in a…

We report a detailed comparison on the role of a self-assembled monolayer (SAM) of dipolar molecules on the threshold voltage and charge carrier mobility of organic field-effect transistor (OFET) made of both amorphous and polycrystalline…

Materials Science · Physics 2014-02-05 C. Celle , C. Suspene , M. Ternisien , S. Lenfant , D. Guerin , K. Smaali , K. Lmimouni , J. P. Simonato , D. Vuillaume

Understanding the interactions between strain, interfacial mechanics, and electrical performance is critical for designing beyond silicon electronics based on hetero-integrated 2D materials. Through combined experiment and simulation, we…

We report the composition and gate voltage induced tuning of transport properties in chemically synthesized Bi2(Te1-xSex)3 nanoribbons. It is found that increasing Se concentration effectively suppresses the bulk carrier transport and…

Mesoscale and Nanoscale Physics · Physics 2013-05-21 ZhenHua Wang , Richard L. J. Qiu , Chee Huei Lee , ZhiDong Zhang , Xuan P. A. Gao

Spin-polarized field-effect transistor (spin-FET), where a dielectric layer is generally employed for the electrical gating as the traditional FET, stands out as a seminal spintronic device under the miniaturization trend of electronics. It…

Materials Science · Physics 2017-03-07 Fan Li , Cheng Song , Bin Cui , Jingjing Peng , Youdi Gu , Guangyue Wang , Feng Pan

Organic printed electronics is proving its suitability for the development of wearable, lightweight, distributed applications in combination with cost-effective production processes. Nonetheless, some necessary features for several…

Applied Physics · Physics 2019-12-02 Andrea Perinot , Mario Caironi

For the first time, polyethyleneimine (PEI) doping on multilayer MoS2 field-effect transistors are investigated. A 2.6 times reduction in sheet resistance, and 1.2 times reduction in contact resistance have been achieved. The enhanced…

Materials Science · Physics 2014-11-05 Yuchen Du , Han Liu , Adam T. Neal , Mengwei Si , Peide D. Ye

We investigate near-field energy transfer between chemically synthesized quantum dots (QDs) and two-dimensional semiconductors. We fabricate devices in which electrostatically gated semiconducting monolayer molybdenum disulfide (MoS2) is…

Electrostatic gates are of paramount importance for the physics of devices based on high-mobility two-dimensional electron gas (2DEG) since they allow depletion of electrons in selected areas. This field-effect gating enables the…

Mesoscale and Nanoscale Physics · Physics 2015-09-23 K. Bennaceur , B. A. Schmidt , S. Gaucher , D. Laroche , M. P. Lilly , J. L. Reno , K. W. West , L. N. Pfeiffer , G. Gervais

Ultrascaled GaSe field effect transistors are investigated through ab initio calculations. GaSe monolayers, 3 nm long, exhibit excellent performance with reduced short-channel effects and considerable high ON-current. Such device…

Topology is a key ingredient driving the emergence of quantum devices. Topological field-effect transistor (TFET) has been proposed to outperform the conventional FET by replacing the ON state with topology-protected quantized conductance,…

Materials Science · Physics 2023-07-25 Xiaoyin Li , Feng Liu

The interest in MoS2 for radio-frequency (RF) application has recently increased. However, little is known on the scaling behavior of transistors made from MoS2 for RF applications, which is important for establishing performance limits for…

Mesoscale and Nanoscale Physics · Physics 2016-09-05 Daria Krasnozhon , Subhojit Dutta , Clemens Nyffeler , Yusuf Leblebici , Andras Kis

Thanks to their unique properties single-layer 2-D materials appear as excellent candidates to extend Moore's scaling law beyond the currently manufactured silicon FinFETs. However, the known 2-D semiconducting components, essentially…

Mesoscale and Nanoscale Physics · Physics 2020-06-30 Cedric Klinkert , Áron Szabó , Christian Stieger , Davide Campi , Nicola Marzari , Mathieu Luisier