Preparation of VO_2 thin film and its direct optical bit recording characteristics

Abstract

Vanadium dioxide (VO2) film which has nearly the same transition point as single crystal has been obtained by reactive evaporation of vanadium on glass and subsequent annealing in N2 gas. Relations between optical properties of V02 film and its preparation conditions are presented. We made optical direct bit recording on V02 film using a laser diode as the light source. The threshold recording energy and bit density are 2 mJ/cm 2 and 350 bits/mm, respectively. We also made tungsten doping to lower the V02 film transition temperature.

Properties of VO2 thin film prepared with precursor VO(acac)2

“…It is favorable for the application of the film on uncooled microbolometer. On the other hand, the doping of Cr increases T t and decreases the TCR values around room temperature [9]. In Fig.…”

Effect of Oxygen Deposition Pressure on the Structure and the Metal Insulator Transition in Pulsed Laser Deposited VO<SUB>2</SUB> Films on Soda Lime Glass

“…This singular and unique property of VO 2 makes it a multifunctional optical candidate of choice for smart windows applications, optical switching devices, field effect transistors, ultrafast tunable nano-plasmonics and optical limiting devices as well as ultrafast opto-electronic gates among others. Through this reversible SMT near room temperature, VO 2 is considered also as a material having high potential for various applications other than thermochromic smart coatings, which include electronic switches and thermal sensors [8,9,10].…”

Effect of lattice misfit on the transition temperature of VO2 thin film

“…Through this reversible metal-to-insulator transition (MIT) near room temperature, VO 2 shows abrupt change in conductivity over three orders of magnitude. Such property change made VO 2 to be considered as a material having high potentials for various applications, such as electronic switches, thermal sensors, and thermochromic smart windows [3][4][5][6].…”