Preface to the special issue: novel applications of main refractory metals and their compounds
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Tungsten (2020) 2:215–216 https://doi.org/10.1007/s42864-020-00060-8
www.springer.com/42864
EDITORIAL
Preface to the special issue: novel applications of main refractory metals and their compounds Jin‑Shu Wang1 · Jun Wang2 Published online: 16 September 2020 © The Nonferrous Metals Society of China 2020
Tungsten is an important material widely used not only in traditional refractory applications, but also in new functional areas. Launched in early 2019, Tungsten journal is dedicated to the science and technology of tungsten and related metals, including molybdenum, cobalt, vanadium, tantalum, niobium, rhenium, as well as their alloys and compounds. The present issue consists of eight contributions with five review papers and three original research articles, covering a set of topics such as electron emission of W materials, energy conversion and storage of W compounds, microstructure evolutions in rolled Mo alloys, and catalysis performance of Pd, Co and Re nanopartilces. The special topic focuses on the novel applications of main refractory metals and their compounds. First, Wang et al. reviews the recent advances in thermionic cathode materials, discussing the improvement of electron emissions in tungsten by rare earth elements doping. Zhang et al. then reports the progress on the photocatalytic performance of WO3-based photocatalysts for degradation of volatile organic compounds (VOCs). Lei et al. also summarizes the development of WS2 and its composites for electrochemical energy storage and conversion applications. Besides, one research paper by McEvoy et al. reports a new synthesis method for production of large-area polycrystalline Te2 has attracted great interests in WTe2 films. Moreover, W recent years due to its large non-saturating magnetoresistance. In addition to tungsten-based materials, some articles
consisted of tantalum, molybdenum and rhenium elements are also included in current issue. Wang et al. studies the texture, microstructure, mechanical properties, anisotropy and the correlation of Mo-La plates for the rolled and the annealed states at different temperatures. Guo et al. reviews the crystal growth, magneto-transport measurements and theoretical studies of tantalum dipnictides T aAs2 and T aP2, emphasizing on the discussions of the nontrivial topological states. Hao et al. presents the recent advances on the fabrication techniques and applications of Pd, Co and Re nanopartilces. Finally, a modeling research work on Al–Hf–Nb–Mo–Ta–Ti–V–Zr refractory high-entropy alloys is presented by Shafiei et al. I hope the contents in this special issue can inspire readers to explore new visions into the applications of main refractory metals and their compounds. More contributions in related areas are highly encouraged to be submitted to the Tungsten journal. Also, I would like to appreciate all the authors, reviewers, editors, and publishing staff for their great efforts and contributions for the publication of this special issue.
Jin-Shu Wang, Jun Wang Sep 4, 2020
* Jin‑Shu Wang wangjs
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