Oscillation circuit based on metal-insulator transition device and method of driving the oscillation circuit

Abstract

Provided are an oscillatory circuit based on a metal-insulator transition (MIT) device that can generate a simple and very high oscillating frequency using the MIT device, and a method of driving the oscillatory circuit. The oscillatory circuit includes the MIT device that comprises an MIT thin film and an electrode thin film connected to the MIT thin film and in which an abrupt MIT is generated due to an MIT generating voltage, a resistor that is serially connected to the MIT device, an electrical power source limiting the maximum amount of an applied current and applying a direct current constant voltage to the MIT device, and a light source irradiating electromagnetic waves on the MIT device, wherein the oscillating properties are generated by irradiating the electromagnetic waves using the light source.

1 . An oscillatory circuit based on an MIT (metal-insulator transition) device, the oscillatory circuit comprising:
 the MIT device that comprises an MIT thin film and an electrode thin film connected to the MIT thin film and in which an abrupt MIT is generated by an MIT generating voltage;   a resistor that is serially connected to the MIT device;   an electrical power source that can limit the maximum amount of an applied current and supply a direct current voltage to the MIT device; and   a light source irradiating electromagnetic waves on the MIT device,   wherein the oscillating properties of the oscillatory circuit are generated by irradiating the electromagnetic waves using the light source.   
     
     
         2 . The oscillatory circuit of  claim 1 , wherein the light source is an infrared light source, and as the intensity of infrared beams of the light source is increased, the MIT generating voltage of the MIT device is reduced in proportion to the light intensity. 
     
     
         3 . The oscillatory circuit of  claim 2 , wherein the intensity of the infrared beams is regulated so that the abrupt MIT of the MIT device is generated or not generated when a predetermined DC voltage is applied to the MIT device. 
     
     
         4 . The oscillatory circuit of  claim 3 , wherein the oscillating properties are initiated by the generation of the abrupt MIT. 
     
     
         5 . The oscillatory circuit of  claim 3 , wherein the oscillating properties are generated by irradiating infrared light having an intensity large enough to make the abrupt MIT be generated with a predetermined DC voltage applied to the MIT device. 
     
     
         6 - 20 . (canceled) 
     
     
         21 . An oscillatory circuit, comprising:
 an MIT (metal-insulator transition) device that includes an MIT thin film and electrode thin films connected to the MIT thin film and in which an abrupt metal-insulator transition is triggered at an MIT generating voltage;   a resistor that is serially connected to the MIT device; and   an electrical power source supplying a short pulse voltage to the MIT device to cause oscillation,   wherein the oscillating properties of the oscillatory circuit are generated by applying a short pulse voltage to the MIT device,   wherein the oscillatory circuit is used in an apparatus or a system in which the oscillating properties are required, and   wherein the apparatus or the system comprises at least one of an MIT electric cell, an MIT light emitting device, an MIT sensor, an MIT two-terminal switching device, an MIT three-terminal switching device (transistor), an MIT memory, an MIT oscillator and an MIT RF device.   
     
     
         22 . A method of driving the oscillatory circuit of  claim 1 , wherein the oscillating properties are generated in the oscillatory circuit by irradiating infrared light on the MIT device using the light source. 
     
     
         23 . The method of  claim 22 , wherein the oscillating properties are generated by regulating an intensity of the infrared beams irradiated on the MIT device so that the abrupt MIT of the MIT device is generated or not generated. 
     
     
         24 - 25 . (canceled)