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Conducting nanowires possess remarkable physical properties unattainable in bulk materials. However our understanding of their transport properties is limited by the difficulty of connecting them electrically. In this Letter we investigate…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 A. D. Chepelianskii , F. Chiodi , M. Ferrier , S. Gueron , E. Rouviere , H. Bouchiat

Engineering light absorption in the extended short-wave infrared (e-SWIR) range using scalable materials is a long-sought-after capability that is crucial to implement cost-effective and high-performance sensing and imaging technologies.…

Applied Physics · Physics 2021-01-27 A. Attiaoui , É. Bouthillier , G. Daligou , A. Kumar , S. Assali , O. Moutanabbir

In this study, InSb nanowires have been formed by electrodeposition and integrated into NW-FETs. NWs were formed in porous anodic alumina (PAA) templates, with the PAA pore diameter of approximately 100 nm defining the NW diameter.…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Suprem R. Das , Collin J. Delker , Dmitri Zakharov , Yong P. Chen , Timothy D. Sands , David B. Janes

In Si nanowire (SiNW) solar cells enhanced light confinement property in addition to decoupling of charge carrier collection and light absorption directions plays a significant role to resolve the draw backs of bulk Si solar cells. In this…

Junctionless Nanowire Field-Effect Transistors (JNFETs), where the channel region is uniformly doped without the need for source-channel and drain-channel junctions or lateral doping abruptness, are considered an attractive alternative to…

Emerging Technologies · Computer Science 2014-04-02 Mostafizur Rahman , Pritish Narayanan , Csaba Andras Moritz

Low dimensional materials provide the possibility of improved thermoelectric performance due to the additional length scale degree of freedom for engineering their electronic and thermal properties. As a result of suppressed phonon…

Mesoscale and Nanoscale Physics · Physics 2010-06-23 Neophytos Neophytou , Martin Wagner , Hans Kosina , Siegfried Selberherr

A wide variety of apparently contradictory piezoresistance (PZR) behaviors have been reported in p-type silicon nanowires (SiNW), from the usual positive bulk effect to anomalous (negative) PZR and giant PZR. The origin of such a range of…

Mesoscale and Nanoscale Physics · Physics 2016-07-18 M. McClarty , N. Jegenyes , M. Gaudet , C. Toccafondi , R. Ossikovski , F. Vaurette , S. Arscott , A. C. H. Rowe

Ultrathin GaN nanowires (NWs) are attractive to maximize surface effects and as building block in high-frequency transistors. Here, we introduce a facile route for the top-down fabrication of ordered arrays of GaN NWs with aspect ratios…

Ultrathin InAs nanowires (NW) with one-dimensional (1D) sub-band structure are promising materials for advanced quantum-electronic devices, where dimensions in the sub-30 nm diameter limit together with post-CMOS integration scenarios on Si…

We report an actuation/detection scheme with a top-down nano-electromechanical system for frequency shift-based sensing applications with outstanding performance. It relies on electrostatic actuation and piezoresistive nanowire gauges for…

We investigate the operation of dual-gate reconfigurable field-effect transistor (RFET) in the programgate at drain (PGAD) and program-gate at source (PGAS) configurations. To this end, dual-gate silicon nanowire (SiNW) FETs are fabricated…

Semiconductor nanowire field-effect transistors represent a promising platform for the development of room-temperature (RT) terahertz (THz) frequency light detectors due to the strong nonlinearity of their transfer characteristics and their…

We compute both electron- and phonon transmissions in thin disordered silicon nanowires. Our atomistic approach is based on tight-binding and empirical potential descriptions of the electronic and phononic systems, respectively. Surface…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Troels Markussen , Antti-Pekka Jauho , Mads Brandbyge

We present low-temperature measurements of low-loss superconducting nanowire-embedded resonators in the low-power limit relevant for quantum circuits. The superconducting resonators are embedded with superconducting nanowires with widths…

Superconductivity · Physics 2017-08-09 Jonathan Burnett , James Sagar , Oscar W. Kennedy , Paul A. Warburton , Jonathan C. Fenton

Gate-all-around Vertical Nanowire Field Effect Transistors (VNWFET) are emerging devices, which are well suited to pursue scaling beyond lateral scaling limitations around 7nm. This work explores the relative merits and drawbacks of the…

Systems and Control · Electrical Eng. & Systems 2020-05-29 C. Mukherjee , M. Deng , F. Marc , C. Maneux , A. Poittevin , I. OConnor , S. Le Beux , A. Kumar , A. Lecestre , G. Larrieu

We study nanoelectromechanical resonators fabricated from suspended flakes of NbSe$_2$ (thickness$\sim$30-50 nm) to probe charge density wave (CDW) physics at nanoscale. Variation of elastic and electronic properties accompanying the CDW…

Mesoscale and Nanoscale Physics · Physics 2010-10-28 Shamashis Sengupta , Hari S. Solanki , Vibhor Singh , Sajal Dhara , Mandar M. Deshmukh

By using first-principles tight-binding electronic structure calculation and Boltzmann transport equation, we investigate the size dependence of thermoelectric properties of silicon nanowires (SiNWs). With cross section area increasing, the…

Materials Science · Physics 2015-05-13 Lihong Shi , Donglai Yao , Gang Zhang , Baowen Li

Light trapping in sub-wavelength semiconductor nanowires (NWs) offers a promising approach to simultaneously reducing material consumption and enhancing photovoltaic performance. Nevertheless, the absorption efficiency of a NW, defined by…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 Yiming Yang , Xingyue Peng , Steven Hyatt , Dong Yu

We present experimental and theoretical results on a new interferometer topology that nests a SU(2) interferometer, e.g., a Mach-Zehnder or Michelson interferometer, inside a SU(1,1) interferometer, i.e., a Mach-Zehnder interferometer with…

Quantum Physics · Physics 2022-07-14 Wei Du , Jia Kong , Jun Jia , Sheng Ming , Chun-Hua Yuan , J. F. Chen , Z. Y. Ou , Morgan W. Mitchell , Weiping Zhang

Gate-all-around (GAA) nanowire (NW) field-effect transistor (FET) is a promising device architecture due to its superior gate controllability than that of the conventional FinFET architecture. The significantly higher electron mobility of…

Materials Science · Physics 2023-10-18 Linqiang Xu , Lianqiang Xu , Qiuhui Li , Shibo Fang , Ying Li , Ying Guo , Aili Wang , Ruge Quhe , Yee Sin Ang , Jing Lu