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Mechanical properties of VMoNO as a function of oxygen concentration: toward development of hard and tough refractory oxynitrides
Daniel Edström, Davide G. Sangiovanni, Ludvig Landälv +5
Improved toughness is a central goal in the development of wear-resistant refractory ceramic coatings. Extensive theoretical and experimental research has revealed that NaCl struct…
Influence of Si doping and O2-flow on arc deposited (Al,Cr)2O3 coatings
Ludvig Landälv, Emmanuelle Göthelid, Jens Jensen +6
(Al,Cr)2O3 coatings with Al/(Al+Cr) = 0.5 or Al = 70 at.%, doped with 0, 5 or 10 at.% Si, were deposited on hard metal and Si(100) substrates to elucidate the influence of Si on th…
A general Lewis acidic etching route for preparing MXenes with enhanced electrochemical performance in non-aqueous electrolyte
Youbing Li, Hui Shao, Zifeng Lin +14
Two-dimensional carbides and nitrides of transition metals, known as MXenes, are a fast-growing family of 2D materials that draw attention as energy storage materials. So far, MXen…
Reactive magnetron sputtering of tungsten target in krypton/trimethylboron atmosphere
Martin Magnuson, Lina Tengdelius, Fredrik Eriksson +5
W-B-C films were deposited on Si(100) substrates held at elevated temperature by reactive sputtering from a W target in Kr/trimethylboron (TMB) plasmas. Quantitative analysis by X-…
Multielemental single-atom-thick A layers in nanolaminated V2(Sn, A)C (A=Fe, Co, Ni, Mn) for tailoring magnetic properties
Youbing Li, Jun Lu, Mian Li +11
Tailoring of individual single-atom-thick layers in nanolaminated materials offers atomic-level control over material properties. Nonetheless, multielement alloying in individual a…
Synthesis of MAX Phases Nb2CuC and Ti2(Al0.1Cu0.9)N by A-site Replacement Reaction in Molten Salts
Haoming Ding, Youbing Li, Jun Lu +12
New MAX phases Ti2(AlxCu1-x)N and Nb2CuC were synthesized by A-site replacement by reacting Ti2AlN and Nb2AlC, respectively, with CuCl2 or CuI molten salt. X-ray diffraction, scann…
Phase composition and transformations in magnetron-sputtered (Al,V)2O3 coatings
L. Landälv, C-F. Carlström, J. Lu +7
Coatings of (Al1-xVx)2O3, with x ranging from 0 to 1, were deposited by pulsed DC reactive sputter deposition on Si(100) at a temperature of 550 °C. XRD showed three different crys…
Compositional dependence of epitaxial Tin+1SiCn MAX-phase thin films grown from a Ti3SiC2 compound target
Martin Magnusona, Lina Tengdelius, Grzegorz Greczynski +7
We investigate sputtering of a Ti3SiC2 compound target at temperatures ranging from RT (no applied external heating) to 970 oC as well as the influence of the sputtering power at 8…
Tin+1Cn MXene with fully saturated and thermally stable Cl terminations
J. Lu, I. Persson, H. Lind +12
MXenes are a rapidly growing family of 2D materials that exhibit a highly versatile structure and composition, allowing for significant tuning of the material properties. These pro…
Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes
Mian Li, Jun Lu, Kan Luo +12
Nanolaminated materials are important because of their exceptional properties and wide range of applications. Here, we demonstrate a general approach to synthesize a series of Zn-b…