A comparative study of the thermochromic performances of VO2 films obtained by air oxidation of V and VN precursors

Pilloud, D.; García-Wong, A.C.; Mangin, Denis; Capon, Fabien; Pierson, J.F.

doi:10.1016/j.solmat.2022.111947

Cited by 2 publications

(1 citation statement)

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“…Among these compounds, vanadium nitride (VN) exhibits an excellent combination of high thermal and chemical stability, superconductivity, and high hardness, making it widely applicable in multifunctional coatings, catalysis, and supercapacitors [ 5 – 7 ]. More interestingly, VN films can be ideal parent compounds to prepare high-quality and superior-performing VO 2 films [ 8 ]. To comprehensively understand the intrinsic properties of VN compounds, it is necessary to synthesize single-crystalline VN films and conduct high-resolution measurements of their electronic structure.…”

Section: Introductionmentioning

confidence: 99%

Electronic structure of superconducting VN(111) films

Zhai,

Bi,

Zheng

et al. 2024

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Vanadium nitride (VN) is a transition-metal nitride with remarkable properties that have prompted extensive experimental and theoretical investigations in recent years. However, there is a current paucity of experimental research investigating the temperature-dependent electronic structure of single-crystalline VN. In this study, high-quality VN(111) films were successfully synthesized on $$\alpha$$ α -Al$$_2$$ 2 O$$_3$$ 3 (0001) substrates using magnetron sputtering. The crystal and electronic structures of the VN films were characterized by a combination of high-resolution X-ray diffraction, low-energy electron diffraction, resonant soft X-ray absorption spectroscopy, and ultraviolet photoelectron spectroscopy. The electrical transport measurements indicate that the superconducting critical temperature of the VN films is around 8.1 K. Intriguingly, the temperature-dependent photoelectron spectroscopy measurements demonstrate a weak temperature dependence in the electronic structure of the VN films, which is significant for understanding the ground state of VN compounds.

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Section: Introductionmentioning

confidence: 99%