Protonic metallization of the monoclinic phase in VO2 films

Ilinskiy, A. V.; Kvashenkina, O. E.; Shadrin, E. B.

doi:10.1134/s1063782611090089

Cited by 16 publications

(17 citation statements)

References 8 publications

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“…This inference is in agreement with the data available in the literature [10,18,19,25]. In addition, hydrogen is retained in the films for a long time.…”

Section: Resultssupporting

confidence: 82%

Modification of the Properties of Vanadium Oxide Thin Films by Plasma-Immersion Ion Implantation

Burdyukh

Berezina

Pergament

2018

Advances in Condensed Matter Physics

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The paper describes the effect of doping with hydrogen and tungsten by means of plasma-immersion ion implantation (PIII) on the properties of vanadium dioxide and hydrated vanadium pentoxide films. It is shown that the parameters of the metal-insulator phase transition in VO 2 thin films depend on the hydrogen implantation dose. Next, we explore the effect of PIII on composition, optical properties, and the internal electrochromic effect (IECE) in V 2 O 5 ⋅nH 2 O films. The variations in the composition and structure caused by the hydrogen insertion, as well as those caused by the electrochromic effect, are studied by nuclear magnetic resonance, thermogravimetry, Raman spectroscopy, and X-ray structural analysis. It is shown that the ion implantation-induced hydrogenation can substantially enhance the manifestation and performance of the IECE in V 2 O 5 xerogel films. Finally, the effect of PIII-assisted doping with W on the parameters of electrical switching in Au/V 2 O 5 ⋅nH 2 O/Au sandwich structures is examined. It is shown that implanting small tungsten doses improves the switching parameters after forming. When implanting large doses, switching is observed without electroforming, and if electroforming is applied, the switching effect, on the contrary, disappears.

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“…This inference is in agreement with the data available in the literature [10,18,19,25]. In addition, hydrogen is retained in the films for a long time.…”

Section: Resultssupporting

confidence: 82%

Modification of the Properties of Vanadium Oxide Thin Films by Plasma-Immersion Ion Implantation

Burdyukh

Berezina

Pergament

2018

Advances in Condensed Matter Physics

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“…6c) as the state of a stable monoclinic metal phase formed at room temperature by hydroge nation. The inference about the monoclinic symmetry in this case was supported by an analysis of Raman spectra [19]. 6.…”

Section: Experimental Results and Interpretationmentioning

confidence: 98%

“…The degree of hydrogenation was monitored by measuring the intensity of the first interference peak at the wavelength 4800 Å using a Fabry-Perot interferometer formed by a (VO 2 film)-(Al sublayer) structure [19]. Figure 5 shows the thermal hysteresis loops for the reflectance of VO 2 films hydrogenated to different degrees.…”

Section: Experimental Results and Interpretationmentioning

confidence: 99%

Phase transition and correlation effects in vanadium dioxide

2012

Self Cite

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“…More recently, electrochemical doping of sputtered VO 2 films has been demonstrated,159 though in these situations strain makes it challenging to get a clear picture of the intrinsic properties of the doped material. There is a report that electrochemical doping can lead to a metallic state in the monoclinic structure 160. Conversely, starting from water‐containing paramontroseite, Wu et al 161.…”

Section: Nanostructures To Examine Strongly Correlated Materialsmentioning

confidence: 99%

Strongly Correlated Materials

et al. 2012

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Strongly correlated materials are profoundly affected by the repulsive electron-electron interaction. This stands in contrast to many commonly used materials such as silicon and aluminum, whose properties are comparatively unaffected by the Coulomb repulsion. Correlated materials often have remarkable properties and transitions between distinct, competing phases with dramatically different electronic and magnetic orders. These rich phenomena are fascinating from the basic science perspective and offer possibilities for technological applications. This article looks at these materials through the lens of research performed at Rice University. Topics examined include: Quantum phase transitions and quantum criticality in "heavy fermion" materials and the iron pnictide high temperature superconductors; computational ab initio methods to examine strongly correlated materials and their interface with analytical theory techniques; layered dichalcogenides as example correlated materials with rich phases (charge density waves, superconductivity, hard ferromagnetism) that may be tuned by composition, pressure, and magnetic field; and nanostructure methods applied to the correlated oxides VO₂ and Fe₃O₄, where metal-insulator transitions can be manipulated by doping at the nanoscale or driving the system out of equilibrium. We conclude with a discussion of the exciting prospects for this class of materials.

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Protonic metallization of the monoclinic phase in VO2 films

Cited by 16 publications

References 8 publications

Modification of the Properties of Vanadium Oxide Thin Films by Plasma-Immersion Ion Implantation

Modification of the Properties of Vanadium Oxide Thin Films by Plasma-Immersion Ion Implantation

Phase transition and correlation effects in vanadium dioxide

Strongly Correlated Materials

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