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We report the transport properties of mechanically exfoliated few-layer SnSe$_{2}$ flakes, whose mobility is found with four probe measurements to be ~ 85 cm$^{2}$V$^{-1}$s$^{-1}$ at 300 K, higher than those of the majority of few-layer…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 Chenglei Guo , Zhen Tian , Yanjun Xiao , Qixi Mi , Jiamin Xue

We report dual-gate modulation of topological insulator field-effect transistors (TI FETs) made on Bi2Te3 thin flakes with integration of atomic-layer-deposited (ALD) Al2O3 high-k dielectric. Atomic force microscopy study shows that ALD…

Materials Science · Physics 2011-08-08 Han Liu , Peide D. Ye

Two-dimensional materials-based field-effect transistors (2DM-FETs) exhibit both ambipolar and unipolar transport types. To physically and compactly cover both cases, we put forward a quasi-Fermi-level phase space (QFLPS) approach to model…

The field effect transistors (FETs) exhibited ultrahigh responsivity (107 A/W) to infrared light with great improvement of mobility in graphene / PbS quantum dot (QD) hybrid. These reported transistors are either unipolar or depletion mode…

Instrumentation and Detectors · Physics 2014-10-10 Ran Wang , Yating Zhang , Haiyang Wang , Xiaoxian Song , Lufan Jin , Haitao Dai , Sen Wu , Jianquan Yao

Two-dimensional (2D) layered materials-based field-effect transistors (FETs) are promising for ultimate scaled electron device applications because of the improved electrostatics to atomically thin body thickness. However, compared with the…

Applied Physics · Physics 2019-10-02 Nan Fang , Kosuke Nagashio

The realization of both p-type and n-type operations in a single organic field effect transistor (OFET) is critical for simplifying the design of complex organic circuits. Typically, only p-type or n-type operation is realized in an OFET,…

Here, we present a temperature ($T$) dependent comparison between field-effect and Hall mobilities in field-effect transistors based on few-layered WSe$_2$ exfoliated onto SiO$_2$. Without dielectric engineering and beyond a $T$-dependent…

Mesoscale and Nanoscale Physics · Physics 2015-03-12 N. R. Pradhan , D. Rhodes , S. Memaran , J. M. Poumirol , D. Smirnov , S. Talapatra , S. Feng , N. Perea-Lopez , A. L. Elias , M. Terrones , P. M. Ajayan , L. Balicas

In this work, we demonstrate a dual-gated (DG) MoS2 field effect transistors (FETs) in which the degraded switching performance of multilayer MoS2 can be compensated by the DG structure. It produces large current density (>100 {\mu}A/{\mu}m…

Long-range moire patterns in twisted WSe2 enable a built-in, moire-length-scale ferroelectric polarization that can be directly harnessed in electronic devices. Such a built-in ferroic landscape offers a compelling means to enable…

Materials Science · Physics 2025-12-10 Arup Singha , Shaili Sett , Kenji Watanabe , Takashi Taniguchi , Arindam Ghosh , Rahul Debnath

As transistor footprint scales down to sub-10 nm regime, the process development for advancing to further technology nodes has encountered slowdowns. Achieving greater functionality within a single chip requires concurrent development at…

Applied Physics · Physics 2023-09-19 Zijing Zhao , Shaloo Rakheja , Wenjuan Zhu

Recently an air-stable layered semiconductor Bi2O2Se was discovered to exhibit an ultrahigh mobility in transistors fabricated with its thin layers. In this work, we explored the mechanism that induces the high mobility and distinguishes…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Huixia Fu , Jinxiong Wu , Hailin Peng , Binghai Yan

We integrate ambipolar quantum dots in silicon fin field-effect transistors using exclusively standard complementary metal-oxide-semiconductor fabrication techniques. We realize ambipolarity by replacing conventional highly-doped source and…

Mesoscale and Nanoscale Physics · Physics 2018-09-24 Andreas V. Kuhlmann , Veeresh Deshpande , Leon C. Camenzind , Dominik M. Zumbühl , Andreas Fuhrer

We demonstrate controllable shift of the threshold voltage and the turn-on voltage in pentacene thin film transistors and rubrene single crystal field effect transistors (FET) by the use of nine organosilanes with different functional…

Materials Science · Physics 2009-11-10 K. P. Pernstich , A. N. Rashid , S. Haas , G. Schitter , D. Oberhoff , C. Goldmann , D. J. Gundlach , B. Batlogg

Thickness engineered tunneling field-effect transistors (TE-TFET) as a high performance ultra-scaled steep transistor is proposed. This device exploits a specific property of 2D materials: layer thickness dependent energy bandgap (Eg).…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Fan W. Chen , Hesameddin Ilatikhameneh , Tarek A. Ameen , Gerhard Klimeck , Rajib Rahman

Ferroelectric field-effect transistors integrated on 2D semiconducting platforms are extremely relevant for low power electronics. Here, we propose and demonstrate a novel phase-change ferroelectric field effect transistor (PCFE-FET) for…

Applied Physics · Physics 2024-11-05 Sooraj Sanjay , Jalaja M. A , Navakanta Bhat , Pavan Nukala

The ability to reversibly and site-selectively tune ambipolar doping in a single semiconductor is crucial for reconfigurable electronics beyond silicon, but remains highly challenging. Here, we present a rewritable architecture based on…

Semiconducting two-dimensional (2D) transition metal dichalcogenides (TMDs) are emerging as top candidates for post-silicon electronics. While most of 2D TMDs exhibit isotropic behavior, lowering the lattice symmetry could induce…

The design of beta-Ga2O3-based modulation doped field effect transistors (MODFETs) is discussed with a focus on the role of self-heating and resultant modification of the electron mobility profile. Temperature- and doping-dependent model of…

Applied Physics · Physics 2021-05-11 Michael Mastro , Marko J. Tadjer , Jihyun Kim , Fan Ren , Stephen J. Pearton

In this paper, we demonstrate by simulation the general usability of an electrostatically doped and electrically reconfigurable planar field-effect transistor (FET) structure. The device concept is partly based on our already published and…

Materials Science · Physics 2014-05-30 Tillmann Krauss , Frank Wessely , Udo Schwalke

Topological insulator field-effect transistors (TIFETs) built on 2-D quantum spin Hall insulators are being considered as advanced logic transistors due to their potentially superior performance originating from the dissipationless edge…

Mesoscale and Nanoscale Physics · Physics 2026-03-17 Yungyeong Park , Yosep Park , Hyeonseok Choi , Subeen Lim , Dongwook Kim , Yeonghun Lee