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At the LaAlO$_3$-SrTiO$_3$ interface, electronic phase transitions can be triggered by modulation of the charge carrier density, making this system an excellent prospect for the realization of versatile electronic devices. Here, we report…

介观与纳米尺度物理 · 物理学 2019-09-30 A. E. M. Smink , B. Prabowo , B. Stadhouder , N. Gauquelin , J. Schmitz , H. Hilgenkamp , W. G. van der Wiel

We demonstrate a tunnel field effect transistor based on a lateral heterostructure patterned from an $\mathrm{LaAlO_3/SrTiO_3}$ electron gas. Charge is injected by tunneling from the $\mathrm{LaAlO_3}$/$\mathrm{SrTiO_3}$ contacts and the…

介观与纳米尺度物理 · 物理学 2019-06-19 A. Müller , C. Şahin , M. Z. Minhas , M. E. Flatté , G. Schmidt

Field-effect transistors (FETs) with single gates are adversely affected by short channel effects such as drain-induced barrier lowering (DIBL) and increases in the magnitude of sub-threshold swing as the channel length is reduced.…

材料科学 · 物理学 2026-04-22 Chankeun Yoon , Juhan Ahn , Yuchen Zhou , Jaydeep P. Kulkarni , Ananth Dodabalapur

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…

Using LaAlO$_3$-SrTiO$_3$ bilayers, we have fabricated field-effect devices that utilize the two-dimensional electron liquid generated at the bilayers' {\textit n}-type interfaces as drain-source channels and the LaAlO$_3$ layers as gate…

材料科学 · 物理学 2015-06-03 B. Förg , C. Richter , J. Mannhart

In this paper we study LaAlO$_3$/Eu$_{1-x}$La$_x$TiO$_3$/SrTiO$_3$ structures with nominally x = 0, 0.1 and different thicknesses of the Eu$_{1-x}$La$_x$TiO$_3$ layer. We observe that both systems have many properties similar to previously…

强关联电子 · 物理学 2021-09-03 N. Lebedev , Y. Huang , A. Rana , D. Jannis , N. Gauquelin , J. Verbeeck , J. Aarts

The use of SrTiO$_3$ dielectrics as high-permittivity insulator in organic thin film field effect transistors (FET) is evaluated. Field-effect transistors with sputtered SrTiO$_3$ and copper-phthalocyanine (CuPc) as semiconducting layer…

材料科学 · 物理学 2015-05-27 F. Roth , M. Huth

Nanoscale channels realized at the conducting interface between LaAlO$_{3}$ and SrTiO$_{3}$ provide a perfect playground to explore the effect of dimensionality on the electronic properties of complex oxides. Here we compare the electric…

An n-channel accumulation-type field effect transistor (FET) has been fabricated utilizing a KTaO3 single crystal as an active element and a sputtered amorphous Al2O3 film as a gate insulator. The device demonstrated an ON/OFF ratio of 10^4…

强关联电子 · 物理学 2009-11-10 K. Ueno , I. H. Inoue , T. Yamada , H. Akoh , Y. Tokura , H. Takagi

A field-effect transistor that employs a perovskite-type SrTiO3 single crystal as the semiconducting channel is revealed to function as n-type accumulation-mode device with characteristics similar to that of organic FET's. The device was…

强关联电子 · 物理学 2007-05-23 K. Ueno , I. H. Inoue , H. Akoh , M. Kawasaki , Y. Tokura , H. Takagi

We investigate by low-temperature transport experiments the sub-threshold behavior of triple-gate silicon field-effect transistors. These three-dimensional nano-scale devices consist of a lithographically defined silicon nanowire surrounded…

介观与纳米尺度物理 · 物理学 2009-11-11 H. Sellier , G. P. Lansbergen , J. Caro , N. Collaert , I. Ferain , M. Jurczak , S. Biesemans , S. Rogge

TiO2 ferroelectric field effect transistors (FeFETs) with HfZrO2 (HZO) ferroelectric dielectric layers and bottom gate topology are fabricated for applications in neuromorphic systems. Two sets of devices are fabricated with different gate…

应用物理 · 物理学 2026-05-21 Chandan Samanta , Elia Palmese , Ziyu Ouyang , Tuofu Zhama , Robinson Pino , Yuping Zeng

We have used a simple, analytically solvable model to analyze the characteristic s of dual-gate metal-oxide-semiconductor field-effect transistors (MOSFETs) with 10-nm-scale channel length L. The model assumes ballistic dynamics of 2D…

凝聚态物理 · 物理学 2009-10-30 F. G. Pikus , K. K. Likharev

We report on surface effects on the electronic properties of interfaces in epitaxial LaAlO$_3$/SrTiO$_3$ heterostructures. Our results are based on first-principles electronic structure calculations for well-relaxed multilayer…

材料科学 · 物理学 2009-11-13 U. Schwingenschloegl , C. Schuster

We report the observation of channel-width dependent enhancement in nanoscale field effect transistors containing lithographically-patterned silicon nanowires as the conduction channel. These devices behave as conventional…

其他凝聚态物理 · 物理学 2008-02-18 Xihua Wang , Yu Chen , Mi K. Hong , Shyamsunder Erramilli , Pritiraj Mohanty

We examined the magneto-transport behavior of electrons confined at the conducting LaAlO3/SrTiO3 interface in the low sheet carrier density regime. We observed well resolved Shubnikov-de Haas quantum oscillations in the longitudinal…

材料科学 · 物理学 2015-06-19 Yanwu Xie , Christopher Bell , Minu Kim , Hisashi Inoue , Yasuyuki Hikita , Harold Y. Hwang

Novel electronic systems forming at oxide interfaces comprise a class of new materials with a wide array of potential applications. A high mobility electron system forms at the LaAlO$_3$/SrTiO$_3$ interface and, strikingly, both…

介观与纳米尺度物理 · 物理学 2015-05-13 Lu Li , C. Richter , S. Paetel , T. Kopp , J. Mannhart , R. C. Ashoori

Nano-membrane tri-gate beta-gallium oxide (\b{eta}-Ga2O3) field-effect transistors (FETs) on SiO2/Si substrate fabricated via exfoliation have been demonstrated for the first time. By employing electron beam lithography, the minimum-sized…

应用物理 · 物理学 2022-01-05 Hagyoul Bae , Tae Joon Park , Jinhyun Noh , Wonil Chung , Mengwei Si , Shriram Ramanathan , Peide D. Ye

Two-dimensional materials are considered for future quantum devices and are usually produced by extensive methods like molecular beam epitaxy. We report on the fabrication of field-effect transistors using individual ultra-thin lead sulfide…

材料科学 · 物理学 2015-07-20 Sedat Dogan , Thomas Bielewicz , Yuxue Cai , Christian Klinke

Oxide heterostructures represent a unique playground for triggering the emergence of novel electronic states and for implementing new device concepts. The discovery of 2D conductivity at the $LaAlO_3/SrTiO_3$ interface has been linking for…

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