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Self-adaptive thermoregulation, the mechanism living organisms use to balance their temperature, holds great promise for decarbonizing cooling and heating processes. The functionality can be effectively emulated by engineering the thermal…

Crystalline silicon is currently being discussed as test-mass material for future generations of gravitational wave detectors that will operate at cryogenic temperatures. We present optical absorption measurements on a large-dimension…

A capacitive thermoelectric device can harvest thermal energy and convert it to electrical energy by employing a temperature-dependent dielectric material whose permittivity sharply changes with temperature. Electricity can be generated by…

Low-temperature refrigeration technology constitutes a crucial component in space exploration. The small-scale, low-vibration Stirling-type pulse tube refrigerators hold significant application potential for space cooling. However, the…

A novel liquid-liquid phase transition has been proposed and investigated in a wide variety of pure substances recently, including water, silica and silicon. From computer simulations using the Stillinger-Weber classical empirical…

Statistical Mechanics · Physics 2015-05-27 Vishwas V Vasisht , Shibu Saw , Srikanth Sastry

Free-standing and well-ordered two-dimensional (2D) silica monolayers with tetrahedral (T-silica) and octahedral (O-silica) building blocks are found to be stable by first principles calculations; T-silica is formed by corner-sharing SiO4…

Materials Science · Physics 2015-08-13 Gaoxue Wang , G. C. Loh , Ravindra Pandey , Shashi P. Karna

This work presents a new plasma cooling curve that is calculated using the SPEX package. We compare our cooling rates to those in previous works, and implement the new cooling function in the grid-adaptive framework `AMRVAC'. Contributions…

Astrophysics of Galaxies · Physics 2009-11-26 K. M. Schure , D. Kosenko , J. S. Kaastra , R. Keppens , J. Vink

Self-assembled nano and micro-structures, particularly those capable of responsive erasure and regeneration, have garnered significant interest for their applications in smart photonics and electronics. However, current techniques for…

We propose a high thermal conductivity infrared (IR) filter using alumina for use in millimeter wave detection systems. We constructed a prototype two-layer anti-reflection (AR) coated alumina filter with a diameter of 100mm and a thickness…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 Yuki Inoue , Tomotake Matsumura , Masashi Hazumi , Adrian T. Lee , Takahiro Okamura , Aritoki Suzuki , Takayuki Tomaru , Hiroshi Yamaguchi

We measure the thermal time constants of suspended single layer molybdenum disulfide drums by their thermomechanical response to a high-frequency modulated laser. From this measurement the thermal diffusivity of single layer MoS$_2$ is…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Robin J. Dolleman , David Lloyd , J. Scott Bunch , Herre S. J. van der Zant , Peter G. Steeneken

The temperature dependence of the x-ray scattering in the region below the first sharp diffraction peak was measured for silica glasses with low and high OH content (GE-124 and Corning 7980). Data were obtained upon scanning the temperature…

Disordered Systems and Neural Networks · Physics 2016-08-16 Ralf Brüning , Claire Levelut , Annelise Faivre , Rozenn Le Parc , Jean-Paul Simon , Françoise Bley , Jean-Louis Hazemann

The realization of long-range magnetic ordering in two-dimensional (2D) systems can potentially revolutionize next-generation information technology. Here, we report the successful fabrication of crystalline Cr3Te4 monolayers with room…

If confocal microscopy is an ubiquitous tool in life science, its applications in chemistry and materials science are still, in comparison, very limited. Of particular interest in these domains is the use of confocal microscopy to…

Soft Condensed Matter · Physics 2017-12-25 Dmytro Dedovets , Cécile Monteux , Sylvain Deville

Radiative cooling is a passive cooling technology by reflecting sunlight and emitting radiation in the atmospheric sky window. Although highly desired, full daytime sub-ambient radiative cooling in commercial-like single-layer…

Applied Physics · Physics 2020-11-06 Xiangyu Li , Joseph Peoples , Zhifeng Huang , Zixuan Zhao , Jun Qiu , Xiulin Ruan

We have sympathetically cooled and crystallized ${}^{113}\mathrm{{Cd}}^{+}$ ions with laser-cooled ${}^{40}\mathrm{{Ca}}^{+}$ ions, and directly observed the complete large bicrystal structure in a linear Paul trap. The large two-component…

Atomic Physics · Physics 2023-05-10 S. N. Miao , H. R. Qin , N. C. Xin , Y. T. Chen , J. W. Zhang , L. J. Wang

Silicon carbide (SiC) is an important semiconductor material for fabricating power electronic devices that exhibit higher switch frequency, lower energy loss and substantial reduction both in size and weight in comparison with its Si-based…

Materials Science · Physics 2023-04-19 Guobin Wang , Da Sheng , Yunfan Yang , Hui Li , Congcong Chai , Zhenkai Xie , Wenjun Wang , Jian-gang Guo , Xiaolong Chen

Superconducting microwave amplifiers are essential for sensitive signal readout in superconducting quantum processors. Typically based on Josephson Junctions, these amplifiers require operation at milli-Kelvin temperatures to achieve…

Quantum Physics · Physics 2023-08-07 Mingrui Xu , Yufeng Wu , Wei Dai , Hong X. Tang

Using a global equation of state, empirically derived by Luding, we accurately model the density profile of a two-dimensional hard sphere system with diameter D and mass m under gravity with a given temperature T [Physica A, 271, 192…

Materials Science · Physics 2010-11-24 Alison E. Koser , Paul V. Quinn

We report a high-performance thermochromic VO2-based coating prepared by using a three-step process, consisting of magnetron sputter depositions of SiO2 films and V-W films and their postannealing, on standard glass at a low substrate…

We report a new approach to controllable thermal stimulation of a single living cell and its compartments. The technique is based on the use of a single polycrystalline diamond particle containing silicon-vacancy (SiV) color centers. Due to…

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