| Project Id
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BITSRMIT024B001234
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| Project Detail
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| Project Title
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Design and development of efficient self-powered, solar blind photodetectors based on 2D materials and Ga2O3 heterojunctions
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| Senior Supervision Team (BITS)
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| Supervisor name and Title
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Prof. Satyendra Kumar Mourya
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School or Department (or company, if applicable)
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BITS PILANI, PILANI CAMPUS
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|
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Email ID
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satyendra.mourya@pilani.bits-pilani.ac.in
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| URL for more info
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https://www.bits-pilani.ac.in/pilani/satyendra-kumar-mourya/
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| a) Are you currently supervising a BITS or RMIT HDR student?
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YES
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| Please comment how many you are supervising
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5
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| b) Have you supervised an offshore candidate before?
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NO
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| If no, what support structures do you have in place?
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|
| If yes, please elaborate
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| Senior Supervision Team (RMIT)
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| Supervisor name and Title
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Professor Sumeet Walia
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School or Department (or company, if applicable)
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STEM
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|
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Email ID
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sumeet.walia@rmit.edu.au
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| URL for more info
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https://www.rmit.edu.au/contact/staff-contacts/academic-staff/w/walia-professor-sumeet
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| a) Are you currently supervising a BITS or RMIT HDR student?
|
YES
|
| Please comment how many you are supervising
|
|
| b) Have you supervised an offshore candidate before?
|
YES
|
| If no, what support structures do you have in place?
|
|
| If yes, please elaborate
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|
| Other Supervisors (BITS)
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| Supervisor name and Title
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Professor RAHUL KUMAR
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School or Department (or company, if applicable)
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BITS PILANI, PILANI CAMPUS
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| Phone Number (Optional)
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+919958161442
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Email ID
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rahul.kumar@pilani.bits-pilani.ac.in
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| URL for more info
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https://www.bits-pilani.ac.in/pilani/rahul-kumar/
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| Other Supervisors (BITS)
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| Supervisor name and Title
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Prof. Enrico Della Gaspera
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School or Department (or company, if applicable)
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STEM
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| Phone Number (Optional)
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+61399251955
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Email ID
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enrico.dellagaspera@rmit.edu.au
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| URL for more info
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https://www.rmit.edu.au/profiles/d/enrico-dellagaspera
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| Field of Research (For Codes)
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| 401605 | Functional materials | 30.00 |
| 401804 | Nanoelectronics | 40.00 |
| 401805 | Nanofabrication, growth and self assembly | 30.00 |
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| Project Description
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|
Electromagnetic waves of below 280 nm wavelength are considered solar-blind or UV-C region (200-280 nm) and it has plenty of applications in military, secured space communications, and safety monitoring. Ultra-wideband gap semiconductors such as Ga2O3 emerged as the most natural choice for solar-blind photodetectors (SBPD) due to its high bandgap. The high radiation hardness of Ga2O3 makes it suitable in harsh environments such as space applications. On the other hand, 2D materials are always a preferred choice for those applications where large and highly reactive surface area is required. For current generation SBPD, there exists a trade-off between two key parameters-responsivity and response time. For successful commercialization of SBPD, desired response time should be smaller than 1 µs whereas responsivity should be greater than 1000 AW-1, simultaneously. This project will aim to achieve the above-mentioned responsivity and response speed by realizing the heterojunction of 2D materials with Ga2O3. To ease the fabrication and minimize the experimental optimization load, firstly we will do materials modeling using DFT and the anticipated results would be a comprehensive understanding of the electronic structure, density of states, defect generation, propagation, and relaxation mechanism in 2D materials, Ga2O3, and their heterostructures. Thereafter, optimized materials will be simulated by a multi-physics model to optimize the heterojunction to demonstrate fast response and high responsivity as required for the commercialization of this technology. Subsequently, the optimized heterojunction will be fabricated to demonstrate excellent responsivity and a response time as required for the commercialization of this technology.
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| Project Deliverable/Outcomes
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• The proposed work will open new possibilities for the design and development of advanced heterojunction devices.
• Possibility to develop a new class of self-powered solar-blind photodetectors.
• Possibility to develop a device for wireless ultraviolet communication technology that can yield an intellectual property right.
• Possible funding opportunities from industries.
• Possible applications: Wireless ultraviolet communications, aerospace, military communication, food technology, arc detection in building safety systems, invisible flame detection, ozone hole monitoring, etc.
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| Research Impact Themes
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| ADVANCED DIGITAL TECHNOLOGIES AND BUSINESS TRANSFORMATION | NEW INFORMATION TECHNOLOGIES; ROBOTICS, SEMI-CONDUCTORS AND QUANTUM COMPUTING |
| SUSTAINABLE DEVELOPMENT AND ENVIRONMENT
| SOCIAL AND ECONOMIC CHALLENGES IN ENERGY, WATER, FOOD, FINANCIAL MARKETS AND INFRASTRUCTURE AND PREVENTING ENVIRONMENTAL DEGRADATION |
| ADVANCED MATERIALS, MANUFACTURING AND FABRICATION | SPECIALISED MATERIALS |
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| Which RMIT Sustainable Development Goal (SDG) does your project align to
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SUSTAINABLE CITIES AND COMMUNITIES
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| Which RMIT Enabling Impact Platform (EIP) does your project align to
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ADVANCED MATERIALS, MANUFACTURING AND FABRICATION
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| Which RMIT Program code will this project sit under?
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DR220 (ELECTRICALANDELECTRONIC)
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| Student Capabilities and Qualifications
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• Basic knowledge of micro/nanofabrication • Basic understanding of material and electrical characterization • Basic knowledge of semiconductor materials and devices
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• Hands-on experience in micro/nanofabrication techniques • Expertise in device modelling and simulation • Expertise in materials modelling and simulation
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• M Tech/ME/MS (Microelectronics/Electronics & Communication/Nanotechnology/VLSI/Materials science or any other similar specialization) • MSc Physics
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| Preferred discipline of Student
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| Electrical and Electronics Engineering, Power Engineering |
| Materials, Composites, Material Science, Functional Materials, Mettalurgical Engineering |
| Nanotechnology, Nanomaterials, Nanomedicine, Nanoscience |
| Physics, Condensed Matter Physics |
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