Nanothermal characterization of amorphous and crystalline phases in chalcogenide thin films with scanning thermal microscopy

Bosse, James L.; Timofeeva, Maria; Tovee, Peter; Robinson, Benjamin J.; Huey, Bryan D.; Kolosov, Oleg

doi:10.1063/1.4895493

Cited by 23 publications

(17 citation statements)

References 52 publications

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“…e.g., Refs. [110][111][112][113]). In terms of simulations, calculations of κ for a few crystalline phases can be found in the recent literature [100,114].…”

Section: Thermal Properties Of Phase-change Materialsmentioning

confidence: 99%

Understanding the thermal properties of amorphous solids using machine-learning-based interatomic potentials

Sosso

Deringer

Elliott

et al. 2018

Molecular Simulation

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“…e.g., Refs. [110][111][112][113]). In terms of simulations, calculations of κ for a few crystalline phases can be found in the recent literature [100,114].…”

Section: Thermal Properties Of Phase-change Materialsmentioning

confidence: 99%

Understanding the thermal properties of amorphous solids using machine-learning-based interatomic potentials

Sosso

Deringer

Elliott

et al. 2018

Molecular Simulation

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“…Then, when applying this general definition to the SThM system, the hot and cold regions correspond to the probe heater temperature and ambient temperature, respectively. If we just limit ourselves to a qualitative comparison between pristine and annealed flakes supported by the same substrate, the total thermal resistance seen from the probe can be modeled by using a lumped parameters electronic analogue [ 27,40 ] :…”

Section: Let Us First Recall That the Thermal Resistance Is Defined Asmentioning

confidence: 99%

Effect of thermal annealing on the heat transfer properties of reduced graphite oxide flakes: A nanoscale characterization via scanning thermal microscopy

Tortello

Colonna

Bernal

et al. 2016

Carbon

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This paper reports on the thermal properties of reduced graphite oxide (RGO) flakes, studied by means of scanning thermal microscopy (SThM). This technique was demonstrated to allow thermal characterization of the flakes with a spatial resolution of the order of a few tens of nanometers, while recording nanoscale topography at the same time. Several individual RGO flakes were analyzed by SThM, both as obtained after conventional thermal reduction and after a subsequent annealing at 1700°C. Significant differences in the thermal maps were observed between pristine and annealed flakes, reflecting higher heat dissipation on annealed RGO flakes compared with pristine ones. This result was correlated with the reduction of RGO structure defectiveness. In particular, a substantial reduction of oxidized groups and sp 3 carbons upon annealing was proven by X-ray photoelectron and Raman spectroscopies, while the increase of crystalline order was demonstrated by X-ray diffraction, in terms of higher correlation lengths both along and perpendicular to the graphene planes. Results presented in this paper provide experimental evidence for the qualitative correlation between the defectiveness of graphene-related materials and their thermal conductivity, which is clearly crucial for the exploitation of these materials into thermally conductive nanocomposites.©2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/

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“…microscopy in proximity to the GT surface to detect its thermal property variations due to different heat flow between probe and sample, as illustrated in Figure 8(b). This opens a new way for the write and readout operation of electrical probe phase-change memory [69]. Another promising storage media is GeTe 6 alloy that exhibited low power threshold switching and an extremely low steady state current [70].…”

Section: Recent Progress On Probe Memoriesmentioning

confidence: 99%

Recent Progress on Probe-Based Storage Devices

Liu

Wang

2019

IEEE Access

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Prosperity of information technology triggers a tremendous amount of digital data that needs to be stored by storage memories with ultra-high capacity. Although probe-based memory has exhibited its superb storage merits, its developments to date, however, remain slow due to several physical limits. In order to overcome its drawbacks, and to further advance probe storage technologies, a comprehensive review regarding the current status and future prospect of probe-based memories become of importance. In this paper, we first presented the physical principles of various reported probe-based memories and their respective advantages/disadvantages, as well as their current status. Subsequently, up-to-date progress made on these probe memories and some novel probe memories concepts is proposed. The prospect of a probebased memory device is finally predicted.INDEX TERMS Phase-change materials, probe, capping, transmission.

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Nanothermal characterization of amorphous and crystalline phases in chalcogenide thin films with scanning thermal microscopy

Abstract: The

Cited by 23 publications

References 52 publications

Understanding the thermal properties of amorphous solids using machine-learning-based interatomic potentials

Understanding the thermal properties of amorphous solids using machine-learning-based interatomic potentials

Effect of thermal annealing on the heat transfer properties of reduced graphite oxide flakes: A nanoscale characterization via scanning thermal microscopy

Recent Progress on Probe-Based Storage Devices

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