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A recently discovered topological insulator (TI) is a new type of solid material that behaves as an insulator in its interior and as a conductor on its surface.
ZnO nanostructures have generated interest for a wide range of applications due to their unique optical and electrical properties. Especially, the spontaneous polarization in the ZnO nanostructure which produces a permanent strong static electric field that can be applied to many studies. Also, their strong polarizability makes them potential candidates for many applications such as ion channel modulation,...
We report flow rate-enhanced new paper-based microfluidic (μPAD) platform via a modified hollow channel. The hollow channel was made by a hand-coating film instead of a paper. In two character-shaped microfluidic channels including T and Y, the hollow platform showed roughly maximum 300-fold fast flow rates and times compared to the hydrophilic platform.
Cu(Mn) alloy seed BEOL studies revealed fundamental insights into Mn segregation and EM enhancement. We found a metallic-state Mn-rich Cu layer under the MnOx layer at the Cu/SiCNH cap interface, and correlated this metallic layer with additional EM enhancement. A carbonyl-based CVD-Co liner film consumed Mn, reducing its segregation and EM benefit, suggesting O-free Co liner films are strategic for...
We observe that rectangular holes fabricated in a gold film with a sub-skindepth thickness show blue-shifted resonance frequencies as the width increases. For rectangular holes on a finite substrate its thickness and the hole width are crucial factors determining the resonance frequency.
Fundamental material interactions as pertinent to nano-scale copper interconnects were studied for CVD Co with a variety of micro-analytical techniques. Native Co oxide grew rapidly within a few hours (XPS). Incorporation of oxygen and carbon in the CVD Co films (by AES and SIMS) depended on underlying materials, such as Ta, TaN, or Ru. Copper film texture (by XRD) and agglomeration resistance (by...
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