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公开(公告)号：US20210223097A1
公开(公告)日：2021-07-22
申请号：US17254670
申请日：2019-06-26
Applicant: Royal Melbourne Institute of Technology
Inventor： Taimur Ahmed , Sumeet Walia , Madhu Bhaskaran , Sharath Sriram
IPC: G01J1/42 , H01L31/0264 , H01L31/09 , H01L31/0392 , H01L31/18
Abstract: A sensor for discriminating between wavelength regions in an electromagnetic spectrum is disclosed. The sensor comprising a substrate, a sensing element supported on a surface of the substrate, and at least one pair of terminal electrodes disposed on the substrate surface in mutually spaced apart and opposing relation, and in electrical contact with the sensing element, wherein the sensing element is responsive to electromagnetic radiation to yield a change in photocurrent measured between the terminal electrodes as a function of an intensity of the electromagnetic radiation impinging thereon, wherein a positive dependency on the intensity corresponds to a first wavelength region and a negative dependency on the intensity corresponds to a second wavelength region.
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公开(公告)号：US10985318B2
公开(公告)日：2021-04-20
申请号：US15778776
申请日：2016-11-23
Applicant: Royal Melbourne Institute of Technology
Inventor： Madhu Bhaskaran , Sharath Sriram , Sumeet Walia , Hussein Nili Ahmadabadi
IPC: H01L45/00
Abstract: A memristor device is disclosed comprising: a first electrode; a second electrode; a cathode metal layer disposed on a surface of the first electrode; and an active region disposed between and in electrical contact with the second electrode and the cathode metal layer, the active region comprising at least one layer of an amorphous metal oxide, wherein when a switching voltage is applied between the first and second electrodes, the active region exhibits a resistive switching behaviour. A method of fabricating a memristor device is also disclosed.
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公开(公告)号：US11808626B2
公开(公告)日：2023-11-07
申请号：US17254670
申请日：2019-06-26
Applicant: Royal Melbourne Institute of Technology
Inventor： Taimur Ahmed , Sumeet Walia , Madhu Bhaskaran , Sharath Sriram
IPC: G01J1/42 , H01L31/0264 , H01L31/0392 , H01L31/09 , H01L31/18
CPC classification number: G01J1/429 , H01L31/0264 , H01L31/0392 , H01L31/09 , H01L31/18 , G01J2001/4266
Abstract: A sensor for discriminating between wavelength regions in an electromagnetic spectrum is disclosed. The sensor comprising a substrate, a sensing element supported on a surface of the substrate, and at least one pair of terminal electrodes disposed on the substrate surface in mutually spaced apart and opposing relation, and in electrical contact with the sensing element, wherein the sensing element is responsive to electromagnetic radiation to yield a change in photocurrent measured between the terminal electrodes as a function of an intensity of the electromagnetic radiation impinging thereon, wherein a positive dependency on the intensity corresponds to a first wavelength region and a negative dependency on the intensity corresponds to a second wavelength region.
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公开(公告)号：US11072855B2
公开(公告)日：2021-07-27
申请号：US15668823
申请日：2017-08-04
Applicant: Royal Melbourne Institute of Technology
Inventor： Mohammad Taha , Sumeet Walia , Sharath Sriram , Madhu Bhaskaran
Abstract: Method for fabricating a crystalline vanadium oxide (VO2) film comprising the steps of: a) depositing an amorphous VO2 film on a substrate by pulsed DC magnetron sputtering using a vanadium target, wherein the substrate is exposed to a sputtering gas comprising an inert process gas and oxygen (O2), and the substrate has a temperature of less than about 50° C.; and b) annealing the deposited amorphous VO2 film to crystallise the amorphous VO2 film into a crystalline VO2 film that exhibits an insulator-metal transition. The disclosed method for fabricating a crystalline VO2 film may be suitable for a broad range of substrates.
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