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A vertical partial gate carbon nanotube (CNT) field-effect transistor (FET), which is amenable to the vertical CNT growth process and offers the potential for a parallel CNT array channel, is simulated using a self-consistent atomistic…

介观与纳米尺度物理 · 物理学 2015-05-13 Youngki Yoon , James Fodor , Jing Guo

We study the tunneling conductance of nano-scale quantum ``shuttles'' in connection with a recent experiment (H. Park et al., Nature, 407, 57 (2000)) in which a vibrating C^60 molecule was apparently functioning as the island of a single…

凝聚态物理 · 物理学 2009-11-07 K. D. McCarthy , N. Prokof'ev , M. T. Tuominen

We examine a silicon-germanium heterojunction bipolar transistor (HBT) for cryogenic pre-amplification of a single electron transistor (SET). The SET current modulates the base current of the HBT directly. The HBT-SET circuit is immersed in…

介观与纳米尺度物理 · 物理学 2015-09-29 M. J. Curry , T. D. England , N. C. Bishop , G. Ten-Eyck , J. R. Wendt , T. Pluym , M. P. Lilly , S. M. Carr , M. S. Carroll

We present experiments on a superconductor-normal metal electron refrigerator in a regime where single-electron charging effects are significant. The system functions as a heat transistor, i.e., the heat flux out from the normal metal…

介观与纳米尺度物理 · 物理学 2009-11-13 Olli-Pentti Saira , Matthias Meschke , Francesco Giazotto , Alexander M. Savin , Mikko Mottonen , Jukka P. Pekola

The standard spin-transfer torque (STT)---where spin-polarized current drives dynamics of magnetization viewed as a classical vector---requires noncollinearity between electron spins carried by the current and magnetization of a…

强关联电子 · 物理学 2019-03-22 Priyanka Mondal , Marko D. Petrovic , Petr Plechac , Branislav K. Nikolic

Single electron transistor (SET) is an advanced tool to exploit in quantum devices. Working of such devices at room-temperature is essential for practical utilization. Dopant based single-electron devices are well studied at low-temperature…

介观与纳米尺度物理 · 物理学 2023-03-08 Pooja Yadav , Hemant Arora , Arup Samanta

We report on low-temperature noise measurements of a single electron transistor (SET) immersed in superfluid $^4$He. The device acts as a charge sensitive electrometer able to detect the fluctuations of charged defects in close proximity to…

量子物理 · 物理学 2021-10-27 N. R. Beysengulov , J. R. Lane , J. M. Kitzman , K. Nasyedkin , D. G. Rees , J. Pollanen

The phenomenon of spin transfer torque (STT) has attracted a great deal of interests due to its promising prospects in practical spintronic devices. In this paper, we report a theoretical investigation of STT in a noncollinear magnetic…

介观与纳米尺度物理 · 物理学 2017-05-17 Xiaobin Chen , Chenyi Zhou , Zhaohui Zhang , Jingzhe Chen , Xiaohong Zheng , Lei Zhang , Can-Ming Hu , Hong Guo

Measurements of conductance $G$ on short, wide, high-mobility Si-MOSFETs reveal both a two-dimensional metal-insulator transition (MIT) at moderate temperatures (1 $<~ T <$ 4~K) and mesoscopic fluctuations of the conductance at low…

强关联电子 · 物理学 2009-10-30 K. P. Li , Dragana Popovic , S. Washburn

We investigate theoretically a mechanically assisted Kondo effect and electric charge shuttling in nanoelectromechanical single-electron transistor (NEM-SET). It is shown that the mechanical motion of the central island (a small metallic…

介观与纳米尺度物理 · 物理学 2007-05-23 M. N. Kiselev , K. Kikoin , R. I. Shekhter , V. M. Vinokur

Single electron transistors (SETs) made from single wall carbon nanotubes (SWCNTs) are promising for quantum electronic devices operating with ultra-low power consumption and allow fundamental studies of electron transport. We report on…

介观与纳米尺度物理 · 物理学 2017-05-09 Nan Ai , Onejae Sul , Milan Begliarbekov , Qiang Song , Kitu Kumar , Daniel S. Choi , Eui-Hyeok Yang , Stefan Strauf

An atomtronic transistor circuit is used to realize a driven matterwave oscillator. The transistor consists of Source and Drain regions separated by a narrow Gate well. Quasi-steady-state behavior is determined from a thermodynamic model,…

原子物理 · 物理学 2013-09-16 Seth C. Caliga , Cameron J. E. Straatsma , Alex A. Zozulya , Dana Z. Anderson

Combined diverse two-dimensional (2D) materials for semiconductor interfaces are attractive for electrically controllable carrier confinement to enable excellent electrostatic control. We investigated the transport characteristic in…

介观与纳米尺度物理 · 物理学 2021-03-22 Rahul Tripathi , Pritam Bhattacharyya , Sukanta Nandi , Alok Shukla , Abha Misra

We solve the master equations of two charged qubits measured by a single-electron transistor (SET) consisted of two islands. We show that in the sequential tunneling regime the SET current can be used for reading out results of quantum…

介观与纳米尺度物理 · 物理学 2009-11-10 Tetsufumi Tanamoto , Xuedong Hu

This paper addresses the question of whether a ``rigid molecule'' (one which does not deform in an external field) used as the conducting channel in a standard three-terminal MOSFET configuration can offer any performance advantage relative…

介观与纳米尺度物理 · 物理学 2009-11-07 Prashant Damle , Titash Rakshit , Magnus Paulsson , Supriyo Datta

We theoretically investigate the propagation of heat currents in a three-terminal quantum dot engine. Electron-electron interactions introduce state-dependent processes which can be resolved by energy-dependent tunneling rates. We identify…

介观与纳米尺度物理 · 物理学 2017-11-30 Rafael Sánchez , Holger Thierschmann , Laurens W. Molenkamp

We demonstrate the fabrication of a single electron transistor device based on a single ultra-small silicon quantum dot connected to a gold break junction with a nanometer scale separation. The gold break junction is created through a…

介观与纳米尺度物理 · 物理学 2018-04-04 Zhanbin Bai , Xiangkai Liu , Zhen Lian , Kangkang Zhang , Guanghou Wang , Su-Fei Shi , Xiaodong Pi , Fengqi Song

We report an experimental observation of the backaction of a Single Electron Transistor (SET) measuring the Coulomb staircase of a single electron box. As current flows through the SET, the charge state of the SET island fluctuates. These…

介观与纳米尺度物理 · 物理学 2007-05-23 B. A. Turek , K. W. Lehnert , A. Clerk , D. Gunnarsson , K. Bladh , P. Delsing , R. J. Schoelkopf

Radio-frequency reflectometry in silicon single-electron transistors (SETs) is presented. At low temperatures (<4 K), in addition to the expected Coulomb blockade features associated with charging of the SET dot, quasi-periodic oscillations…

介观与纳米尺度物理 · 物理学 2015-05-30 B. J. Villis , A. O. Orlov , X. Jehl , G. L. Snider , P. Fay , M. Sanquer

This paper presents a symmetric unified transport (UT) compact model for metal-oxide-semiconductor field-effect transistors (MOSFETs) that bridges drift-diffusion (DD) and ballistic transport (BT) regimes. The proposed model self…

介观与纳米尺度物理 · 物理学 2026-05-27 Chien-Ting Tung