Adhesion and Deadhesion

Mattox, Donald M.

doi:10.1016/b978-081551422-0.50012-7

Cited by 11 publications

(11 citation statements)

References 137 publications

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“…The sputtering yield partially depends on the mass ratio between the incident ions and the target material. Increasing the ion mass can lead to a lower sputtering yield for light elements, while it can lead to a higher yield for heavy elements [ 27 ]. Meanwhile, sputtering with heavier ions may reduce the deposition probability since the thermalization distance also depends on the mass ratio between the gas atom and the target material [ 1 ], despite the lower sputtering pressure.…”

Section: Resultsmentioning

confidence: 99%

Comparative Study of Pd/B4C X-ray Multilayer Mirrors Fabricated by Magnetron Sputtering with Kr and Ar Gas

Huang

Liu

et al. 2020

Materials

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Ultrathin Pd/B4C multilayers are suitable X-ray mirrors working at the photon energy region of 7–20 keV. To further improve the layer structure, Pd/B4C multilayers with a d-spacing of 2.5 nm were fabricated by magnetron sputtering using the heavy noble gas Kr and compared with the conventional ones fabricated by Ar. Although the Kr-sputtering process can work at a lower pressure, the interface width—especially the interface roughness—is a little larger than that made by Ar. A stronger polycrystallization and a lower content of sputter gas atoms were found in the Kr-made sample, which can be explained by the joint effect from less recoiled particles and lower sputtering pressure. A good reflectance of 68% of the Kr made multilayer was measured at 10 keV, which is only slightly lower than that of the Ar made sample (71%).

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Section: Resultsmentioning

confidence: 99%

Comparative Study of Pd/B4C X-ray Multilayer Mirrors Fabricated by Magnetron Sputtering with Kr and Ar Gas

Huang

Liu

et al. 2020

Materials

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“…Columnar layer growth is typical in deposition using the PVD method [ 23 , 24 , 25 , 26 , 27 , 28 , 29 ]. This mode occurs because the vaporized adatom particles do not necessarily interact with the substrate surface uniformly and evenly.…”

Section: Discussionmentioning

confidence: 99%

The Impedance Analysis of a Viscoelastic Petalous Structured Stearic Acid Functional Layer Deposited on a QCM

Masruroh

Santjojo

2022

Sensors

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A functional layer is crucial in a QCM sensor, to immobilize target molecules. The microstructure of the layer determines the sensitivity of the sensor. On the other hand, the microstructure also affects the loading of the sensor. In this study, impedance analysis was used to investigate the relationship between the microstructure and the viscoelastic properties of a petalous stearic acid (SA) functional layer. The SA layer was deposited using a vacuum thermal evaporation technique. Different petalous pillar structures in the elastic layer were generated by varying the deposition time. Analysis showed that the growth of the embedded pillar structures dramatically reduced the conductance and increased the bandwidth. The energy dissipation during the vibration could be related to the interaction between the pillars and the elastic matrix.

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“…While the thinness of the catalyst caps prevents the structural characterization of TiO 2 with XRD techniques, HR-SEM and TEM identify the catalyst as “XRD amorphous” TiO 2 . The described methodology can be extended to other catalysts that can be deposited by PVD , geometries accessible to colloidal assembly , and types of polymers that can be infiltrated and cured .…”

Section: Discussionmentioning

confidence: 99%

Assembled Surface-Anisotropic Colloids as a Template for a Multistage Catalytic Membrane Reactor

Song

Kretzschmar

2009

ACS Appl. Mater. Interfaces

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A polymeric catalytic membrane reactor (CMR) is fabricated using alternating assemblies of surface-anisotropic (sa-) and plain (p-) polystyrene (PS) colloids as a template. We report the preparation of TiO2 sa-PS colloids by physical vapor deposition of titanium onto a colloidal monolayer in an oxygen-rich environment and employ the modified colloids as a means to deliver the TiO2 catalyst to the CMR pores. sa-PS and p-PS colloids are assembled into alternating cylindrical sections inside a microcapillary followed by infiltration and curing of a liquid polymer precursor in the interstitial space of the assembly. Subsequent organic solvent treatment results in a cylindrical porous CMR with embedded TiO2 caps. TiO2 cap embedment, composition and surface morphology, surface pore structure, and cross-sectional integrity are analyzed using variable-pressure scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy.

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Adhesion and Deadhesion

Cited by 11 publications

References 137 publications

Comparative Study of Pd/B4C X-ray Multilayer Mirrors Fabricated by Magnetron Sputtering with Kr and Ar Gas

Comparative Study of Pd/B4C X-ray Multilayer Mirrors Fabricated by Magnetron Sputtering with Kr and Ar Gas

The Impedance Analysis of a Viscoelastic Petalous Structured Stearic Acid Functional Layer Deposited on a QCM

Assembled Surface-Anisotropic Colloids as a Template for a Multistage Catalytic Membrane Reactor

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