2016
DOI: 10.1039/c5cp07903a
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Phase transition characteristics in the conductivity of VO2(A) nanowires: size and surface effects

Abstract: Transition-metal oxides have fascinating characteristics, and have been exploited for various applications, such as Mott transistors, optical switches and strain sensors, etc. Vanadium dioxide is a special and important transition-metal oxide, and exhibits the significant behavior of metal-insulator transition. In this work, single crystalline VO2(A) nanowires have been synthesized by a facile hydrothermal method. Due to the size and surface effects, the nanowires with different widths show great disparities i… Show more

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Cited by 20 publications
(16 citation statements)
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“…VO 2 (A) was once thought to be obtained exclusively by hydrothermal method, while a recent work showed that VO 2 (A) can be grown on SrTiO 3 substrate by pulsed laser deposition method . Many more findings on VO 2 (A) are emerging, such as high‐press‐induced metallization and amorphization phenomena, the size‐ and surface‐dependent electrical transportation property of VO 2 (A) …”
Section: Hydrothermal Combined Thermal Treatment Synthesis Of Vo2(m)mentioning
confidence: 99%
“…VO 2 (A) was once thought to be obtained exclusively by hydrothermal method, while a recent work showed that VO 2 (A) can be grown on SrTiO 3 substrate by pulsed laser deposition method . Many more findings on VO 2 (A) are emerging, such as high‐press‐induced metallization and amorphization phenomena, the size‐ and surface‐dependent electrical transportation property of VO 2 (A) …”
Section: Hydrothermal Combined Thermal Treatment Synthesis Of Vo2(m)mentioning
confidence: 99%
“…In particular, VO 2 is an insulator at room temperature, but it undergoes a phase transition to a metallic state when heated to its phase‐change temperature. In addition, VO 2 also possesses different polymorphisms, including VO 2 (A), VO 2 (B), VO 2 (D), VO 2 (M), VO 2 (R), and VO 2 (P) . Among them, the VO 2 monoclinic (M) phase is the most attractive due to its MIT behavior at a relatively low temperature of 68 °C .…”
Section: Introductionmentioning
confidence: 99%
“…In addition, VO 2 also possesses different polymorphisms, including VO 2 (A), [6] VO 2 (B), [7,8] VO 2 (D), [9] VO 2 (M), [10] VO 2 (R), [11] and VO 2 (P). In addition, VO 2 also possesses different polymorphisms, including VO 2 (A), [6] VO 2 (B), [7,8] VO 2 (D), [9] VO 2 (M), [10] VO 2 (R), [11] and VO 2 (P).…”
mentioning
confidence: 99%
“…22 This polymorph also exhibited a similar reversible phase-transition property from low-temperature tetragonal VO 2 (A) to high-temperature body-centered tetragonal VO 2 (A H ) at 162 °C. 23 VO 2 (A) is a thermodynamically stable phase compared with VO 2 (B), which may be beneficial in the generation of VO 2 (M). However, this metastable phase has not been studied widely until now because the growth conditions of VO 2 (A) are so harsh that this metastable phase is usually missed during the preparation of the VO 2 polymorph.…”
Section: Introductionmentioning
confidence: 99%