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A method for assessing the quality of electronic material properties of thin-film metal oxide semiconductor field-effect transistors (MOSFETs) is presented. By investigating samples with MOCVD-grown MoS${_2}$ channels exposed to atmospheric…

Applied Physics · Physics 2025-04-03 Eros Reato , Ardeshir Esteki , Benny Ku , Zhenxing Wang , Michael Heuken , Max C. Lemme , Olof Engström

Tunneling field-effect transistors (FETs) have been intensely explored recently due to its potential to address power concerns in nanoelectronics. The recently discovered graphene nanoribbon (GNR) is ideal for tunneling FETs due to its…

Materials Science · Physics 2009-09-30 Pei Zhao , Jyotsna Chauhan , Jing Guo

We present estimates of the performance limits of terahertz detectors based on the field effect transistors (FET) in the regime of broadband detection. The maximal responsivity is predicted for short-channel FETs in the subthreshold regime.…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 V. Yu. Kachorovskii , S. L. Rumyantsev , W. Knap , M. Shur

We employ noise spectroscopy and transconductance measurements to establish the optimal regimes of operation for our fabricated silicon nanowire field-effect transistors (Si NW FETs) sensors. A strong coupling between the liquid gate and…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Sergii Pud , Jing Li , Volodymyr Sibiliev , Mykhaylo Petrychuk , Valery Kovalenko , Andreas Offenhäusser , Svetlana Vitusevich

This letter presents the bulk diamond field-effect transistor (FET) with the highest current value reported at this moment. The goal was to drastically increase the current of this type of device by increasing the total gate width thanks to…

Applied Physics · Physics 2024-09-06 Damien Michez , Juliette Letellier , Imane Hammas , Julien Pernot , Nicolas C. Rouger

Hybrid heterostructure based phototransistors are attractive owing to their high gain induced by photogating effect. However, the absence of an in-plane built-in electric field in the single channel layer transistor results in a relatively…

Materials Science · Physics 2023-01-10 Shreyasi Das , Arup Ghorai , Sourabh Pal , Somnath Mahato , Soumen Das , Samit K. Ray

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

Gas sensors based on transition metal dichalcogenides (TMDCs) have attracted much attention from a new perspective involving light-assisted or gate-voltage operation. However, their combined roles as regards the gas sensing performance and…

The lack of an easily realizable complementary circuit technology offering low static power consumption has been limiting the utilization of other semiconductor materials than silicon. In this publication, a novel depletion mode JFET based…

Applied Physics · Physics 2021-02-02 Artto Aurola , Vladislav Marochkin , Mika Laiho

We report on the simple fabrication of hysteresis-free and electrically stable organic field-effect transistors (OFETs) and inverters operating at voltages <1-2 V, enabled by the almost trap-free interface between the organic semiconductor…

Materials Science · Physics 2010-01-01 M. P. Walser , W. L. Kalb , T. Mathis , B. Batlogg

We report on the fabrication and characterization of single crystal field-effect transistors (FETs) based on diphenylbenzo diselenophene (DPh-BDSe). These organic field-effect transistors (OFETs) function as p-channel accumulation-mode…

Materials Science · Physics 2009-11-10 R. Zeis , Ch. Kloc , K. Takimiya , Y. Kunugi , Y. Konda , N. Niihara , T. Otsubo

Electric field dependent capacitance and dielectric loss in poly(3-hexylthiophene) are measured by precision capacitance bridge. Carrier mobility and density are estimated from fits to current-voltage and capacitance data. The capacitance…

Applied Physics · Physics 2023-03-03 Sougata Mandal , Reghu Menon

We demonstrate the use of radio-frequency (rf) resonators to measure the capacitance of nano-scale semiconducting devices in field-effect transistor configurations. The rf resonator is attached to the gate or the lead of the device.…

While we demonstrate a back-gated (BG) amorphous Indium-Gallium-Zinc-Oxide (a-IGZO) transistors with a nearly ideal subthreshold slope (SS) ~ 60 mV/dec. However, SS degrades when a top-gated (TG) configuration is implemented. The energy…

Reducing the contact resistance of field-effect transistors based on two-dimensional materials is one of the key improvements required to enable the integration of such transistors in an advanced semiconductor manufacturing process.…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Giuseppe Lovarelli , Fabrizio Mazziotti , Demetrio Logoteta , Giuseppe Iannaccone

$\beta$-Ga$_{2}$O$_{3}$ based enhancement mode transistor designs are critical for the realization of low loss, high efficiency next generation power devices with rudimentary driving circuits. A novel approach towards attaining a high…

Applied Physics · Physics 2020-12-02 Dipankar Biswas , Chandan Joishi , Jayeeta Biswas , Prabhans Tiwari , Saurabh Lodha

In this paper, we have presented the impact of the gate leakage through thin gate dielectrics (SiO2 and high-\k{appa} gate dielectric) on the subthreshold characteristics of the tunnel field effect transistors (TFET) for a low operating…

Mesoscale and Nanoscale Physics · Physics 2014-06-06 Poornendu Chaturvedi , M. Jagadesh Kumar

Low power consumption in both static and dynamic modes of operation is a key requirement in modern, highly scaled nanoelectronics. Tunneling field-effect transistors (TFETs) that exploit direct band-to-band tunneling of charges and exhibit…

The dielectric engineered tunnel field-effect transistor (DE-TFET) as a high performance steep transistor is proposed. In this device, a combination of high-k and low-k dielectrics results in a high electric field at the tunnel junction. As…

Mesoscale and Nanoscale Physics · Physics 2015-10-23 Hesameddin Ilatikhameneh , Tarek A. Ameen , Gerhard Klimeck , Joerg Appenzeller , Rajib Rahman

Different terrestrial terahertz applications would benefit from large-format arrays, operating in compact and inexpensive cryocoolers at liquid helium temperature with sensitivity, limited by the 300-K background radiation only. A…

Instrumentation and Detectors · Physics 2018-07-03 Artem Kuzmin , Steffen Doerner , Stefan Singer , Ilya Charaev , Konstantin Ilin , Stefan Wuensch , Michael Siegel