Orientation relationships of copper crystals on c-plane sapphire

Curiotto, S.; Chien, Harry; Meltzman, Hila; Wynblatt, P.; Rohrer, Gregory S.; Kaplan, Wayne D.; Chatain, Dominique

doi:10.1016/j.actamat.2011.05.008

Cited by 54 publications

(30 citation statements)

References 33 publications

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“…If the initial film is thin enough, equilibrated particles will form within reasonable periods of time, and can be used to study the ECS of the film material [61,93], and the interfacial energy between the film and the substrate [56,58,94]. The kinetics of the dewetting process have also been used to extract surface diffusion parameters [95][96][97].…”

Section: Spinoidal Dewetting Versus Nucleation Of Holesmentioning

confidence: 99%

A review of wetting versus adsorption, complexions, and related phenomena: the rosetta stone of wetting

et al. 2013

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This paper reviews the fundamental concepts and the terminology of wetting. In particular, it focuses on high temperature wetting phenomena of primary interest to materials scientists. We have chosen to split this review into two sections: one related to macroscopic (continuum) definitions and the other to a microscopic (or atomistic) approach, where the role of chemistry and structure of interfaces and free surfaces on wetting phenomena are addressed. A great deal of attention has been placed on thermodynamics. This allows clarification of many important features, including the state of equilibrium between phases, the kinetics of equilibration, triple lines, hysteresis, adsorption (segregation) and the concept of complexions, intergranular films, prewetting, bulk phase transitions versus ''interface transitions'', liquid versus solid wetting, and wetting versus dewetting.

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Section: Spinoidal Dewetting Versus Nucleation Of Holesmentioning

confidence: 99%

A review of wetting versus adsorption, complexions, and related phenomena: the rosetta stone of wetting

et al. 2013

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“…This approach was first presented by Curiotto et al. in their work regarding ORs of copper crystals on c‐plane sapphire …”

Section: Resultsmentioning

confidence: 99%

Ni‐YSZ(001) solid‐solid interfacial energy and orientation relationships

Nahor

Kaplan

2018

J Am Ceram Soc

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Equilibrated Ni particles were produced via solid-state dewetting of continuous Ni films deposited on the (001) surface of yttrium stabilized zirconia (YSZ). The solid-solid interface energy of the equilibrated Ni(111)-YSZ(001) interface was determined using Winterbottom analysis. Two low-index orientation relationships (ORs) were found using the selected area electron diffraction patterns in transmission electron microscopy: Ni½1 10ð111Þ jj YSZ ½100ð002Þ (OR 1 ) and Ni½1 10ð111Þ jj YSZ ½110ð002Þ (OR 2 ). However, many particles were found to deviate from these low-index ORs while maintaining the out-of-plane orientation, Nið111Þ jj YSZð002Þ. The interface energy was measured to be 2.5 ± 0.1 J/m 2 regardless of the in-plane orientation. The orientation distribution was determined using electron backscattered diffraction for Ni particles on both (111) and (001) YSZ substrates and was found to correlate well with the interface energies measured in a previous study for the interface and in the present study for the Ni-YSZ(001) interface.

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“…6). For the simulation, the crystallographic directions were estimated from the symmetries of the facets [39]. The facets present correspond to {111}, {110}, {100}, {113} and {530}.…”

Section: Resultsmentioning

confidence: 99%

Development of highly faceted reduced graphene oxide-coated copper oxide and copper nanoparticles on a copper foil surface

Ortega-Amaya¹,

Matsumoto²,

Espinoza-Rivas³

et al. 2016

Beilstein J. Nanotechnol.

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SummaryThis work describes the formation of reduced graphene oxide-coated copper oxide and copper nanoparticles (rGO-Cu2ONPs, rGO-CuNPs) on the surface of a copper foil supporting graphene oxide (GO) at annealing temperatures of 200–1000 °C, under an Ar atmosphere. These hybrid nanostructures were developed from bare copper oxide nanoparticles which grew at an annealing temperature of 80 °C under nitrogen flux. The predominant phase as well as the particle size and shape strongly depend on the process temperature. Characterization with transmission electron microscopy and scanning electron microscopy indicates that Cu or Cu2O nanoparticles take rGO sheets from the rGO network to form core–shell Cu–rGO or Cu2O–rGO nanostructures. It is noted that such ones increase in size from 5 to 800 nm as the annealing temperature increases in the 200–1000 °C range. At 1000 °C, Cu nanoparticles develop a highly faceted morphology, displaying arm-like carbon nanorods that originate from different facets of the copper crystal structure.

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Orientation relationships of copper crystals on c-plane sapphire

Cited by 54 publications

References 33 publications

A review of wetting versus adsorption, complexions, and related phenomena: the rosetta stone of wetting

A review of wetting versus adsorption, complexions, and related phenomena: the rosetta stone of wetting

Ni‐YSZ(001) solid‐solid interfacial energy and orientation relationships

Development of highly faceted reduced graphene oxide-coated copper oxide and copper nanoparticles on a copper foil surface

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