Design and simulation of pyroelectric detectors with nanometer size spider-web for low thermal conductance
Sign Up to like & getrecommendations! Published in 2017 at "Microsystem Technologies"
DOI: 10.1007/s00542-015-2706-1
Abstract: We report the design and simulation of uncooled pyroelectric detectors which utilizes a nanometer sized mesh or truss to support the suspended detector. Pyroelectric detector is a class of thermal detector in which the change… read more here.
Keywords: spider web; detector; pyroelectric detectors; thermal conductance ... See more keywords
MoS2-graphene in-plane contact for high interfacial thermal conduction
Sign Up to like & getrecommendations! Published in 2017 at "Nano Research"
DOI: 10.1007/s12274-017-1504-8
Abstract: Recent studies have indicated that two-dimensional (2D) MoS2 exhibits low in-plane and inter-plane thermal conductivities. This poses a significant challenge to heat management in MoS2-based electronic devices. To address this challenge, we have designed MoS2-graphene… read more here.
Keywords: interfacial thermal; thermal conductance; plane; mos2 graphene ... See more keywords
Electron contributions to the heat conduction across Au/graphene/Au interfaces
Sign Up to like & getrecommendations! Published in 2017 at "Carbon"
DOI: 10.1016/j.carbon.2017.01.051
Abstract: Abstract The thermal conductance across Au/graphene/Au and Au/hydrogenated graphene(H-graphene)/Au interfaces are measured using the time domain thermoreflectance (TDTR) technique. It is found that the thermal conductance decreases from 30 ± 5 MWm−2 K−1 to 14 ± 3 MWm−2K−1 when the graphene is… read more here.
Keywords: across graphene; graphene interfaces; graphene; heat conduction ... See more keywords
A molecular dynamics investigation on effects of nanostructures on thermal conductance across a nanochannel
Sign Up to like & getrecommendations! Published in 2018 at "International Communications in Heat and Mass Transfer"
DOI: 10.1016/j.icheatmasstransfer.2018.05.025
Abstract: Abstract Molecular dynamics simulations are conducted to investigate effects of nanofins on thermal conductance of a nanochannel with two opposing walls at different temperatures. The nanochannel and nanofins are made of Pt with liquid Argon… read more here.
Keywords: temperature; molecular dynamics; across nanochannel; conductance ... See more keywords
Boosted thermal conductance of polycrystalline graphene by spin-coated silver nanowires
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.01.052
Abstract: Abstract Spin-coated silver nanowires (AgNWs) on graphene show a significantly improved thermal conductance of the composite in comparison with pristine graphene with no nanowires. CVD-synthesized graphene is transferred onto an 8-nm thin TEM grid substrate,… read more here.
Keywords: spin coated; graphene; silver nanowires; thermal conductance ... See more keywords
High Throughput Nanoimaging of Thermal Conductivity and Interfacial Thermal Conductance.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c00337
Abstract: Thermal properties of materials are often determined by measuring thermalization processes; however, such measurements at the nanoscale are challenging because they require high sensitivity concurrently with high temporal and spatial resolutions. Here, we develop an… read more here.
Keywords: nanoimaging thermal; thermal conductance; interfacial thermal; conductivity interfacial ... See more keywords
Interfacial Thermal Conductance between Cu and Diamond with Interconnected W-W2C Interlayer.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c07190
Abstract: Manipulating the interfacial structure is vital to enhancing the interfacial thermal conductance (G) in Cu/diamond composites for promising thermal management applications. An interconnected interlayer is frequently observed in Cu/diamond composites; however, the G between Cu… read more here.
Keywords: thermal conductance; structure; interfacial thermal; interlayer ... See more keywords
Observed quantization of anyonic heat flow
Sign Up to like & getrecommendations! Published in 2017 at "Nature"
DOI: 10.1038/nature22052
Abstract: The quantum of thermal conductance of ballistic (collisionless) one-dimensional channels is a unique fundamental constant. Although the quantization of the electrical conductance of one-dimensional ballistic conductors has long been experimentally established, demonstrating the quantization of… read more here.
Keywords: anyonic heat; quantization; conductance; thermal conductance ... See more keywords
Thermal Conductance of the 2D MoS2/h-BN and graphene/h-BN Interfaces
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep43886
Abstract: Two-dimensional (2D) materials and their corresponding van der Waals heterostructures have drawn tremendous interest due to their extraordinary electrical and optoelectronic properties. Insulating 2D hexagonal boron nitride (h-BN) with an atomically smooth surface has been… read more here.
Keywords: conductance mos2; graphene; mos2; interface ... See more keywords
Nano-phononic metamaterials enable an anomalous enhancement in the interfacial thermal conductance of the GaN/AlN heterojunction.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d2nr05954a
Abstract: Improving the interfacial thermal conductance (ITC) is very important for heat dissipation in microelectronic and optoelectronic devices. In this work, taking GaN-AlN contact as an example, we demonstrated a new mechanism to enhance the interfacial… read more here.
Keywords: nano phononic; thermal conductance; gan aln; interfacial thermal ... See more keywords
Interfacial thermal conductance between atomically thin boron nitride and graphene.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr05985a
Abstract: Atomically thin hexagonal boron nitride (BN) is a promising dielectric substrate for graphene and other two-dimensional (2D) materials for performance enhancement and heat dissipation. However, the interfacial heat conductance between atomically thin BN and graphene… read more here.
Keywords: thermal conductance; atomically thin; boron nitride; interfacial thermal ... See more keywords