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Simple estimations show that the thermoelectric readout in graphene radiation detectors can be extremely effective even for graphene with modest charge-carrier mobility ~1000 cm^2/(Vs). The detector responsivity depends mostly on the…

Mesoscale and Nanoscale Physics · Physics 2020-04-10 A. Yurgens

Geometry, stability, and thermal transport of graphene nanoquilts folded by hydrogenation are studied using molecular dynamics simulations. The hydrogenated graphene nanoquilts show increased thermodynamic stability and better transport…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Zhongwei Zhang , Yuee Xie , Qing Peng , Yuanping Chen

The subject of thermal transport at the mesoscopic scale and in low-dimensional systems is interesting for both fundamental research and practical applications. As the first example of truly two-dimensional materials, graphene has…

Materials Science · Physics 2014-06-10 Yong Xu , Zuanyi Li , Wenhui Duan

The contact properties between metal and graphene were examined. The electrical measurement on a multiprobe device with different contact areas revealed that the current flow preferentially entered graphene at the edge of the contact metal.…

Materials Science · Physics 2015-05-19 K. Nagashio , T. Nishimura , K. Kita , A. Toriumi

The ability to control heat transport with electrical signals has been an outstanding challenge due to the lack of efficient electrothermal materials. Previous attempts have mainly concentrated on phase-change and layered materials and…

We developed a combined atomistic-continuum hierarchical multiscale approach to explore the effective thermal conductivity of graphene laminates. To this aim, we first performed molecular dynamics simulations in order to study the heat…

Materials Science · Physics 2017-04-07 B Mortazavi , T Rabczuk

Two-dimensional (2D) materials have attracted significant interest due to their tunable physical properties when stacked into homo- and hetero-structures. Twisting adjacent layers introduces moir\'{e} patterns that strongly influence the…

Graphene is believed to be an excellent candidate material for next-generation electronic devices. However, one needs to take into account the nontrivial effect of metal contacts in order to precisely control the charge injection and…

Mesoscale and Nanoscale Physics · Physics 2013-10-08 Salvador Barraza-Lopez , Markus Kindermann , M. Y. Chou

Graphene is a purely two-dimensional material that has extremely favorable chemical sensor properties. It is known, however, that conventional nanolithographic processing typically leaves a resist residue on the graphene surface, whose…

Materials Science · Physics 2009-04-08 Yaping Dan , Ye Lu , Nicholas J. Kybert , A. T. Charlie Johnson

Contrary to most materials, graphene exhibits a negative thermal expansion coefficient (TEC), i.e it contracts when heated. This contraction is due to the thermal excitation of low energy out-of-plane vibration modes. These flexural modes…

The interfacial thermal resistance determines condensation-evaporation processes and thermal transport across material-fluid interfaces. Despite its importance in transport processes, the interfacial structure responsible for the thermal…

Soft Condensed Matter · Physics 2017-08-02 Jordan Muscatello , Enrique Chacón , Pedro Tarazona , Fernando Bresme

We present systematic thermal conductivity measurements of suspended thin graphite ribbons, 234-527 nm thick, using a four-probe 3-omega method. Unlike recent reports of phonon hydrodynamics and exceptionally high thermal conductivity in…

Mesoscale and Nanoscale Physics · Physics 2025-09-16 Wonjae Jeon , Yu Pei , Xun Li , Lucas Lindsay , Sangyeop Lee , Renkun Chen

Graphene monolayer, with extremely low flexural stiffness, displays spontaneous rippling due to thermal fluctuations at a finite temperature. When a graphene membrane is placed on a solid substrate, the adhesive interactions between…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Peng Wang , Wei Gao , Rui Huang

Interfacial thermal transport between graphene and water plays a critical role in a wide range of thermal and energy applications. Although chemical functionalization can significantly enhance graphene-water interfacial thermal conductance,…

Mesoscale and Nanoscale Physics · Physics 2026-02-19 John Crosby , Haoran Cui , Mehrab Lotfpour , Yan Wang , Lei Cao

Heat transfer at the liquid/solid interface, especially at the nanoscale, has enormous importance in nanofluids. This study investigates liquid/solid interfacial thermal resistance and structure of the formed molecular nanolayer around a…

Soft Condensed Matter · Physics 2019-03-29 Fatemeh Jabbari , Ali Rajabpour , Seyfollah Saedodin , Somchai Wongwises

We have examined the interfacial thermal conductance {\sigma}int of single and multi-layer graphene samples prepared on fused SiO2 substrates by mechanical exfoliation of graphite. By using an ultrafast optical pump pulse and monitoring the…

Materials Science · Physics 2010-09-02 Kin Fai Mak , Chun Hung Lui , Tony F. Heinz

The exact vanishing of the interaction corrections to the zero temperature and zero frequency conductivity of graphene in the presence of weak short range interactions is rigorously established.

Strongly Correlated Electrons · Physics 2015-05-20 Alessandro Giuliani , Vieri Mastropietro , Marcello Porta

Self-heating is a severe problem for high-power microelectronic devices. Graphene and few-layer graphene have attracted tremendous attention for heat removal thanks to their extraordinarily high in-plane thermal conductivity. However, this…

Research on the physical properties of materials at the nanoscale is crucial for the development of breakthrough nanotechnologies. One of the key properties to consider is the ability to conduct heat, i.e., its thermal conductivity.…

Mesoscale and Nanoscale Physics · Physics 2024-08-13 Alexandre F. Fonseca , Luiz Felipe C. Pereira

V-telluride superlattice thin films have shown promising performance for on-chip cooling devices. Recent experimental studies have indicated that device performance is limited by the metal/semiconductor electrical contacts. One challenge in…