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The low quality factor (Q) of Single-walled carbon nanotube (SWNT) resonators has limited their sensitivity in sensing application. To this end, we employ the technique of parametric amplification by modulating the spring constant of SWNT…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Chung-Chiang Wu , Zhaohui Zhong

The phase diagram of the unconstrained $t-J$ model is calculated using the random phase approximation. It is found that the extended $s$ and the $d_{x^2-y^2}$-channels are {\em not} degenerate near half filling. Extended $s$-pairing with a…

Condensed Matter · Physics 2008-02-03 D. van der Marel

This study presents a measurement method for determining the figure of merit for transverse thermoelectric conversion ($ z_\mathrm{T}T $) in thin film forms. Leveraging the proposed methodology, we comprehensively investigate the transverse…

When using Ion Cyclotron Range of Frequency (ICRF) heating, enhanced heat-fluxes are commonly observed on some plasma facing components close to the antennas. Experiments have recently been carried out on JET with the new ITER-Like-Wall…

A p-n junction maintained at above ambient temperature can work as a heat engine, converting some of the supplied heat into electricity and rejecting entropy by interband emission. Such thermoradiative cells have potential to harvest…

Materials Science · Physics 2016-11-16 Wei-Chun Hsu , Jonathan K. Tong , Bolin Liao , Yi Huang , Svetlana V. Boriskina , Gang Chen

The conceptional design of the proposed linear electron-positron collider TESLA is based on 9-cell 1.3 GHz superconducting niobium cavities with an accelerating gradient of Eacc >= 25 MV/m at a quality factor Q0 > 5E+9. The design goal for…

Accelerator Physics · Physics 2009-11-06 B. Aune

Thermal contact has always been a hot issue in many engineering fields and thermal contact resistance (TCR) is one of the important indicators weighing the heat transfer efficiency among the interfaces. In this paper, the contact heat…

Applied Physics · Physics 2018-09-26 Yaoqi Xian , Ping Zhang , Siping Zhai , Peipei Yang , Zhiheng Zheng

The surface resistance of an RF superconductor depends on the surface temperature, the residual resistance and various superconductor parameters, e.g. the energy gap, and the electron mean free path. These parameters can be determined by…

Accelerator Physics · Physics 2014-05-19 M. Ge , G. Hoffstaetter , H. Padamsee , V. Shemelin

The NML cryogenic plant cools two individually cryostated superconducting radio frequency (SRF) capture cavities and one prototype ILC cryomodule with eight SRF cavities. This complex accelerates electrons at 150 MeV for the Integrable…

We present results on the performance of the first prototype of the CASTOR quartz-tungsten sampling calorimeter, to be installed in the very forward region of the CMS experiment at the LHC. This study includes GEANT Monte Carlo simulations…

Instrumentation and Detectors · Physics 2008-11-26 X. Aslanoglou , A. Cyz , N. Davis , D. d'Enterria , E. Gladysz-Dziadus , C. Kalfas , Y. Musienko , A. Kuznetsov , A. D. Panagiotou

Increasing power densities in integrated circuits has led to an increased prevalence of thermal hotspots in integrated circuits. Tracking these thermal hotspots is imperative to prevent circuit failures. In 3D integrated circuits,…

Applied Physics · Physics 2022-09-22 Darshan Chalise , Peter Kenesei , Sarvjit D. Shastri , David G. Cahill

Low-temperature specific heat (SH) is measured on the 1111-type CaFe_{0.88}Co_{0.12}AsF single crystals under different magnetic fields. A clear SH jump with the height \Delta C/T|_Tc = 10.4 mJ/mol K^2 was observed at the superconducting…

Superconductivity · Physics 2019-08-28 Jianan Chu , Teng Wang , Yonghui Ma , Jiaxin Feng , Lingling Wang , Xuguang Xu , Wei Li , Gang Mu , Xiaoming Xie

With the continuous advancement of nanotechnology, nanodevices have become crucial components in computing, sensing and energy conversion applications. However, the structures of nanodevices typically possess sub-wavelength dimensions and…

The Pulsed RF Heating (PRFH) is the well known effect in the development of high gradient accelerating cavities. There is a lot of research dedicated to the tolerable strength of electromagnetic field and the corresponding temperature rise…

Accelerator Physics · Physics 2018-12-27 V. Paramonov , B. Militsyn , A. Skassyrskaya

Controlling thermal transport is important for a range of devices and technologies, from phase change memories to next-generation electronics. This is especially true in nano-scale devices where thermal transport is altered by the influence…

Partial suppression of superconductivity by fast cooling has been observed in the organic superconductor $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Br by two means: a marked sample size effect on the magnetic susceptibility and direct imaging of…

Superconductivity · Physics 2007-05-23 N. Yoneyama , T. Sasaki , N. Kobayashi , Y. Ikemoto , H. Kimura

Thermal resistances from interfaces impede heat dissipation in micro/nanoscale electronics, especially for high-power electronics. Despite the growing importance of understanding interfacial thermal transport, advanced thermal…

Materials Science · Physics 2021-03-16 Zhe Cheng , Fengwen Mu , Xiaoyang Ji , Tiangui You , Wenhui Xu , Tadatomo Suga , Xin Ou , David G. Cahill , Samuel Graham

We report electronic Raman scattering measurements of Sr(Fe$_{1-x}$Co$_x$)$_2$As$_2$ single crystals in their magnetic - Spin Density Wave (SDW) phase. The spectra display multiple, polarization-resolved SDW gaps as expected in a…

Superconductivity · Physics 2015-06-18 Y. -X. Yang , Y. Gallais , F. Rullier-Albenque , M. -A. Méasson , M. Cazayous , A. Sacuto , J. Shi , D. Colson , A. Forget