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Presented here is a nanowire model, consisting of coupled elastic membranes with the purpose of investigating thermal transport in quasi-one-dimensional quantum systems. The vibrations of each elastic membrane are quantized and the flow of…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Julian A Lawn , Daniel S Kosov

We report the development of nanowire field-effect transistors featuring an ultra-thin parylene film as a polymer gate insulator. The room temperature, gas-phase deposition of parylene is an attractive alternative to oxide insulators…

Carbon nanotubes (CNTs) have attracted much attention for use in nanomechanical devices because of their exceptional properties, such as large resonant frequencies, low mass, and high quality factors. Here, we report the first experimental…

Mesoscale and Nanoscale Physics · Physics 2017-04-25 Shu-Xiao Li , Dong Zhu , Xin-He Wang , Jiang-Tao Wang , Guang-Wei Deng , Hai-Ou Li , Gang Cao , Ming Xiao , Guang-Can Guo , Kai-Li Jiang , Xing-Can Dai , Guo-Ping Guo

Tailoring thermal properties with nanostructured materials can be of vital importance for many applications. Generally classical phonon size effects are employed to reduce the thermal conductivity, where strong phonon scattering by…

Applied Physics · Physics 2019-10-14 Yue Xiao , Qiyu Chen , Dengke Ma , Nuo Yang , Qing Hao

An atomistic effective Hamiltonian technique is used to investigate the finite-temperature energy storage properties of a ferroelectric nanocomposite consisting of an array of BaTiO$_{3}$ nanowires embedded in a SrTiO$_{3}$ matrix, for…

The rapid progress on MgB2 superconductor since its discovery[1] has made this material a strong competitor to low and high temperature superconductors (HTS) for applications with a great potential to catch the niche market such as in…

Reduced dimensionality leads to emergent phenomena in quantum materials and there is a need for accelerated materials discovery of nanoscale quantum materials in reduced dimensions. Thermomechanical nanomolding is a rapid synthesis method…

PMMA and Poly carbonate (PC) are wonderful low cost materials which can be easily tailored and shaped. However they have poor mechanical, thermal and electrical properties which are required to be enhanced in several applications where…

Mesoscale and Nanoscale Physics · Physics 2015-04-29 Rajiv Bhandari , Neha Dhiman , Chetna Bajaj , Prashant Jindal , Keya Dharamvir , V. K. Jindal

Low temperature covalent direct wafer-wafer bonding allows for the fusion of multiple semiconductor wafers without any additional material at the bonding interface. In the context of particle pixel detectors this might provide an…

Instrumentation and Detectors · Physics 2022-10-18 Johannes Wüthrich , André Rubbia

The transfer of heat between electrons and phonons plays a key role for thermal management in future nanowire-based devices, but only a few experimental measurements of electron-phonon (e-ph) coupling in nanowires are available. Here, we…

Mesoscale and Nanoscale Physics · Physics 2013-02-01 Jason Matthews , Eric A. Hoffmann , Carsten Weber , Andreas Wacker , Heiner Linke

Low thermal conductivity of polymers, which is one of the considerable drawbacks of commonly used composite structures, has been the focus of many researchers aiming to achieve high-performance polymer-based nanocomposites through the…

Materials Science · Physics 2021-06-22 Leila Razzaghi , Maryam Khalkhali , Ali Rajabpour , Farhad Khoeini

Exciton-polaritons represent a promising platform that combines the strengths of both photonic and electronic systems for future optoelectronic devices. However, their application is currently limited to laboratory research due to the high…

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

Semiconductor nanostructures hold great promise for high-efficiency waste heat recovery exploiting thermoelectric energy conversion, a technological breakthrough that could significantly contribute to providing environmentally friendly…

Quenching of thermal emission above 0 K is an unusual material property, essential for future energy, transportation, and space technologies. Despite the great effort invested, nearly complete quenching of thermal radiation rather than some…

The authors report on synthesis and thermal properties of the electrically-conductive thermal interface materials with the hybrid graphene-metal particle fillers. The thermal conductivity of resulting composites was increased by ~500% in a…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Vivek Goyal , Alexander A. Balandin

Controlled and uniform assembly of "bottom-up" nanowire (NW) materials with high scalability has been one of the significant bottleneck challenges facing the potential integration of nanowires for both nano and macro electronic circuit…

The realization of a semiconductor near-unity absorber in the infrared will provide new capabilities to transform applications in sensing, health, imaging, and quantum information science, especially where portability is required.…

Superconducting nanowires can be fabricated by decomposition of an organometallic gas using a focused beam of Ga ions. However, physical damage and unintentional doping often results from the exposure to the ion beam, motivating the search…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 Shamashis Sengupta , Chuan Li , Cedric Baumier , Alik Kasumov , S. Gueron , H. Bouchiat , F. Fortuna

Recent advances in nanotechnology have provided new materials which have the potential to surpass copper and aluminum alloys in electrical conductivity, weight and ampacity [2-6]. Among these carbon nanotubes (CNTs) stand out due to their…

Applied Physics · Physics 2020-08-28 Farhad Daneshvar , Hung-Jue Sue