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Zhifeng Ren

Researcher at Texas Center for Superconductivity

Publications -  726
Citations -  84970

Zhifeng Ren is an academic researcher from Texas Center for Superconductivity. The author has contributed to research in topics: Thermoelectric effect & Thermoelectric materials. The author has an hindex of 122, co-authored 695 publications receiving 71212 citations. Previous affiliations of Zhifeng Ren include Massachusetts Institute of Technology & University of Cincinnati.

Papers
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Journal ArticleDOI

Superconducting thallium oxide and mercury oxide films

TL;DR: In this article, a two-layer electrodeposition process was used to prepare Tl-Ba-Ca-Cu-O films with Tl 1212 and Tl 2212 stoichiometry.
Patent

Methods for growing carbon nanotubes on single crystal substrates

TL;DR: In this paper, a method for growing carbon nanotubes on single crystal substrates is described, which consists of coating a single crystal substrate with a catalyst film to form a catalyst-coated substrate, annealing the catalyst film by supplying a first promoter gas to the catalyst coated substrate at a first temperature and a first pressure, and supplying a second promoter gas and a carbon-source gas in a substantially water-free atmosphere at a second pressure and a second temperature for a time period to cause growth of nanostructures on the substrate.
Journal ArticleDOI

Effect of boron sources on the growth of boron arsenide single crystals by chemical vapor transport

TL;DR: In this article, the effects of different boron sources on the final BAs products synthesized via the chemical vapor transport method were investigated, and it was shown that using BAs crystals as the source material may contribute to further improvement.
Book ChapterDOI

Introduction to Carbon

TL;DR: Carbon is the fourth most abundant chemical element in the universe by mass and is also the second abundant element by mass in human body as mentioned in this paper. But it is not the most abundant element in air.
Proceedings ArticleDOI

Explorations of Carbon Nanotube Wick Structure for High Heat Flux Cooling

TL;DR: In this article, experimental investigations evaluate heat transfer performance of the carbon nanotube (CNT) wick and demonstrate its ability to handle high heat flux cooling, using the bi-wick structure design to overcome high flow resistance in CNT clusters.