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GaN-based HEMTs have the potential to be widely used in high-power and high-frequency electronics while their maximum output powers are limited by high channel temperature induced by near-junction Joule-heating, which degrades device…

We carefully investigated the transport and capacitance properties of few layer charge density wave (CDW) 2H-TaS2 devices. The CDW transition temperature and the threshold voltage vary from device to device, which is attributed to the…

介观与纳米尺度物理 · 物理学 2015-06-22 Y. F. Cao , K. M. Cai , L. J. Li , W. J. Lu , Y. P. Sun , K. Y. Wang

This article is present the effected oxide capacitor in CMOS structure of integrated circuit level 5 micrometer technology. It has designed and basic structure of MOS diode. It establish with aluminum metallization layer by sputtering…

其他计算机科学 · 计算机科学 2009-12-22 S. Rodthong , B. Burapattanasiri

Thermal management has become a promising field in recent years due to the limitation of energy resources and the global warming. An important topic in improving the efficiency of thermal energy utilization is how to control the flows of…

应用物理 · 物理学 2020-12-30 Fangqi Chen , Xiaojie Liu , Yanpei Tian , Duanyang Wang , Yi Zheng

We performed a computational analysis on percolation transport and filament formation in amorphous $Ge_2Sb_2Te_5$ (a-GST) using 2D finite-element multi-physics simulations with 2 nm out-of-plane depth using an electric-field and temperature…

应用物理 · 物理学 2025-03-14 Md Samzid Bin Hafiz , Helena Silva , Ali Gokirmak

Chiral-lattice degrees of freedom can offer novel chirality-selective functionalities for thermotronic applications. Chiral phonons, carrying both heat and angular momentum, can emerge through a breaking of chiral degeneracy in the phonon…

In this paper we describe a spatial decomposition of the thermal conductivity, what we name "site-projected thermal conductivity", a gauge of the thermal conduction activity at each site. The method is based on the Green-Kubo formula and…

材料科学 · 物理学 2025-09-16 C. Ugwumadu , A. Gautam , Y. G. Lee , D. A. Drabold

Employing amorphous superconductors, such as Type-II molybdenum silicide (MoSi), instead of crystalline materials significantly simplifies the material deposition and scalable nanoscale prototyping, beneficial for quantum electronic and…

We discuss heat transport in a thermally-biased SQUID in the presence of an external magnetic flux, when a non-negligible inductance of the SQUID ring is taken into account. A properly sweeping driving flux causes the thermal current to…

超导电性 · 物理学 2017-04-27 Claudio Guarcello , Paolo Solinas , Massimiliano Di Ventra , Francesco Giazotto

Electrons in operating microelectronic semiconductor devices are accelerated by locally varying strong electric field to acquire effective electron temperatures nonuniformly distributing in nanoscales and largely exceeding the temperature…

介观与纳米尺度物理 · 物理学 2020-01-08 Le Yang , Ruijie Qian , Zhenghua An , Susumu Komiyama , Wei Lu

Self-heating in next-generation, high-power-density field-effect transistor limits performance and complicates fabrication. Here, we introduce NEP-FET, a machine-learned framework for device-scale heat transport simulations of field-effect…

材料科学 · 物理学 2025-11-26 Ke Xu , Gang Wang , Ting Liang , Yang Xiao , Dongliang Ding , Haichang Guo , Xiang Gao , Lei Tong , Xi Wan , Gang Zhang , Jianbin Xu

Glasses usually represent the lower limit for the thermal conductivity of solids, but a fundamental understanding of lattice heat transport in amorphous materials can provide design rules to beat such a limit. Here we investigate the role…

材料科学 · 物理学 2021-01-27 Nicholas W. Lundgren , Giuseppe Barbalinardo , Davide Donadio

Mechanical transfer of high performing thin film devices onto arbitrary substrates represents an exciting opportunity to improve device performance, explore non-traditional manufacturing approaches, and paves the way for soft, conformal,…

Water can be transitioned to an enhanced heat-conducting phase by supercooling only the water at the bottom of a container. The temperature gradient across the 4 cm in the center of an 8 cm long column of water with a 397 mW heat source at…

流体动力学 · 物理学 2011-04-07 James D. Brownridge

We demonstrate that it is possible to distinguish two conductance switching mechanisms in silver sulfide devices at room temperature. Experiments were performed using a Ag$_2$S thin film deposited on a wide Ag bottom electrode, which was…

介观与纳米尺度物理 · 物理学 2017-12-11 J. J. T. Wagenaar , M. Morales-Masis , J. M. van Ruitenbeek

We report the fabrication and measurements of ionic liquid gated Hall bar devices prepared on thin Ca$_3$Ru$_2$O$_7$ flakes exfoliated from bulk single crystals that were grown by a floating zone method. Two types of devices with their…

强关联电子 · 物理学 2015-06-18 Conor P. Puls , Xinxin Cai , Yuhe Zhang , Jin Peng , Zhiqiang Mao , Ying Liu

The thermal conductivity of polycrystalline semiconductors with type-I clathrate hydrate crystal structure is reported. Ge clathrates (doped with Sr and/or Eu) exhibit lattice thermal conductivities typical of amorphous materials.…

材料科学 · 物理学 2009-10-31 J. L. Cohn , G. S. Nolas , V. Fessatidis , T. H. Metcalf , G. A. Slack

Thermal conductivity is a fundamental material property that plays a crucial role in understanding the dynamics and evolution of planetary interiors. Despite its importance, the thermal conductivity of seifertite and pyrite-type SiO$_2$…

材料科学 · 物理学 2026-05-18 Doyoon Park , Yihang Peng , Jie Deng

The development of high-performance multifunctional polymer-based electronic circuits is a major step towards future flexible electronics. Here, we demonstrate a tunable approach to fabricate such devices based on rationally designed…

In superconductivity, electrons exhibit unique macroscopic collective quantum behavior that is the key for many modern quantum technologies. This electron behavior stems vastly from coupling to a correlated motion of atoms in the material,…

超导电性 · 物理学 2020-03-20 Mohammad Suleiman , Emanuele G. Dalla Torre , Yachin Ivry