Atomic‐Scale Investigation of the Lattice‐Asymmetry‐Driven Anisotropic Sublimation in GaN
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202106028
Abstract: Thermal sublimation, a specific method to fabricate semiconductor nanowires, is an effective way to understand growth behavior as well. Utilizing a high‐resolution transmission electron microscope (TEM) with in situ heating capability, the lattice‐asymmetry‐driven anisotropic sublimation… read more here.
Keywords: sublimation; lattice asymmetry; driven anisotropic; asymmetry driven ... See more keywords
Oxide Scale Sublimation Chemical Vapor Deposition for Controllable Growth of Monolayer MoS2 Crystals.
Sign Up to like & getrecommendations! Published in 2021 at "Small methods"
DOI: 10.1002/smtd.202101107
Abstract: A newly developed oxide scale sublimation chemical vapor deposition (OSSCVD) technique for 2D MoS2 growth is reported. Gaseous MoO3 , which is supplied separately from H2 S, can be generated in situ by flowing O2… read more here.
Keywords: oxide scale; deposition; growth; scale sublimation ... See more keywords
Vapor transport and sublimation on Mullins Glacier, Antarctica
Sign Up to like & getrecommendations! Published in 2017 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2017.02.016
Abstract: Abstract We utilize an environmental chamber capable of recreating the extreme polar conditions of the McMurdo Dry Valleys (MDV) of Antarctica to investigate the sublimation rate of the Mullins Valley debris-covered glacier (hereafter Mullins Glacier),… read more here.
Keywords: sublimation; mullins glacier; glacier antarctica; sublimation mullins ... See more keywords
Sublimation of buried cometary ice
Sign Up to like & getrecommendations! Published in 2019 at "Icarus"
DOI: 10.1016/j.icarus.2019.03.019
Abstract: Abstract The sublimation of ice covered by dust is a common way of outgassing of comets. The rate of this process depends on the thermal conductivity and permeability of dust, as well as the properties… read more here.
Keywords: buried cometary; cometary ice; sublimation buried; sublimation ... See more keywords
Simultaneous sublimation activity of primitive asteroids including (24) Themis and (449) Hamburga: Spectral signs of an exosphere and the solar activity impact
Sign Up to like & getrecommendations! Published in 2021 at "Icarus"
DOI: 10.1016/j.icarus.2021.114634
Abstract: Abstract We describe and analyze simultaneous sublimation activity of the main-belt primitive asteroids during their perihelion passages, which was detected by spectral methods. This phenomenon was observed for the first time in September 2012 for… read more here.
Keywords: simultaneous sublimation; activity; sublimation activity; sublimation ... See more keywords
Determination of sublimation enthalpies of substituted benzophenones, fluorenes and diphenyl ethers by solution calorimetry approach
Sign Up to like & getrecommendations! Published in 2017 at "Thermochimica Acta"
DOI: 10.1016/j.tca.2017.08.003
Abstract: Abstract An approach for the determination of solvation enthalpies of substituted aromatic compounds is developed. In this work the solvation enthalpy of a reference unit (benzophenone, fluorene and diphenyl ether) is calculated as the difference… read more here.
Keywords: sublimation; fluorenes diphenyl; sublimation enthalpies; enthalpies substituted ... See more keywords
Sublimation enthalpy of 1,3-thiazine structural analogues: Experimental determination and estimation based on structural clusterization
Sign Up to like & getrecommendations! Published in 2017 at "Thermochimica Acta"
DOI: 10.1016/j.tca.2017.08.004
Abstract: Abstract The saturated vapor pressures of 4 nonaromatic bicyclic 1,3-thiazine and 1,3-selenazine derivatives have been measured by the method of transpiration by inert gas-carrier in the temperature range of 308–392 K. Based on the experimental data… read more here.
Keywords: sublimation; sublimation enthalpy; structural analogues; thiazine structural ... See more keywords
Temperature calibration of TEM specimen heating holders by isothermal sublimation of silver nanocubes.
Sign Up to like & getrecommendations! Published in 2019 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2018.10.011
Abstract: Micro electro mechanical systems (MEMS) based TEM specimen heating holders exhibit excellent thermal stability and minimal specimen drift, which allows thermally-activated processes to be studied dynamically at high spatial resolution. The advantages of MEMS-based devices… read more here.
Keywords: heating holders; sublimation; temperature; tem specimen ... See more keywords
Cohesive Properties of Ionic Liquids Calculated from First Principles.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.9b00625
Abstract: Low volatility of ionic liquids (ILs), being one of their most valuable properties, is also the principle factor making reliable measurements of vapor pressures and vaporization (or sublimation) enthalpies of ILs extremely difficult. Alternatively, vaporization… read more here.
Keywords: sublimation; molecular crystals; cohesive properties; ionic liquids ... See more keywords
Surface Rearrangement and Sublimation Kinetics of Supported Gold Nanoparticle Catalysts.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.2c10523
Abstract: Heterogeneous catalysts consisting of supported metallic nanoparticles typically derive exceptional catalytic activity from their large proportion of undercoordinated surface sites which promote adsorption of reactant molecules. Simultaneously, these high energy surface configurations are unstable, leading… read more here.
Keywords: sublimation; nanoparticle; surface; catalytic activity ... See more keywords
Sublimation Kinetics for Individual Graphite and Graphene Nanoparticles (NPs): NP-to-NP Variations and Evolving Structure-Kinetics and Structure-Emissivity Relationships.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c01720
Abstract: A single nanoparticle (NP) mass spectrometry method was used to measure sublimation rates as a function of nanoparticle temper-ature (TNP) for sets of individual graphite and graphene NPs. Initially, the NP sublimation rates were ~400… read more here.
Keywords: sublimation; sublimation rates; individual graphite; graphite graphene ... See more keywords