Gallium oxide, and in particular its thermodynamically stable β-Ga2O3 phase, is within the most exciting materials in research and technology nowadays due to its unique properties. The very high breakdown electric field and the figure of merit rivaled only by diamond have tremendous potential for the next generation “green” electronics enabling efficient distribution, use, and conversion of electrical energy. Ion implantation is a traditional technological method used in these fields, and its well-known advantages can contribute greatly to the rapid development of physics and technology of Ga2O3-based materials and devices. Here, the status of ion implantation in β-Ga2O3 nowadays is reviewed. Attention is mainly paid to the results of experimental study of damage under ion irradiation and the properties of Ga2O3 layers doped by ion implantation. The results of ab initio theoretical calculations of the impurities and defect parameters are briefly presented, and the physical principles of a number of analytical methods used to study implanted gallium oxide layers are highlighted. The use of ion implantation in the development of Ga2O3-based devices, such as metal oxide field-effect transistors, Schottky barrier diodes, and solar-blind UV detectors, is described together with systematical analysis of the achieved values of their characteristics. Finally, the most important challenges to be overcome in this field of science and technology are discussed.
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Ion implantation in β-Ga2O3: Physics and technology
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Review Article|
March 26 2021
Ion implantation in β-Ga2O3: Physics and technology
Special Collection:
Gallium Oxide Materials and Devices
Alena Nikolskaya
;
Alena Nikolskaya
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
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Evgenia Okulich;
Evgenia Okulich
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
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Dmitry Korolev
;
Dmitry Korolev
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
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Anton Stepanov;
Anton Stepanov
2
Chuvash State Agricultural Academy
, Cheboksary 428017, Russia
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Dmitry Nikolichev
;
Dmitry Nikolichev
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
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Alexey Mikhaylov
;
Alexey Mikhaylov
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
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David Tetelbaum
;
David Tetelbaum
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
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Aleksei Almaev
;
Aleksei Almaev
3
Research and Development Center for Advanced Technologies in Microelectronics, Tomsk State University
, Tomsk 634050, Russia
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Charles Airton Bolzan
;
Charles Airton Bolzan
4
Ion Implantation Laboratory, Institute of Physics—Federal University of Rio Grande do Sul
, Porto Alegre 91501-970, Brazil
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Antônio Buaczik, Jr.;
Antônio Buaczik, Jr.
4
Ion Implantation Laboratory, Institute of Physics—Federal University of Rio Grande do Sul
, Porto Alegre 91501-970, Brazil
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Raquel Giulian
;
Raquel Giulian
4
Ion Implantation Laboratory, Institute of Physics—Federal University of Rio Grande do Sul
, Porto Alegre 91501-970, Brazil
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Pedro Luis Grande
;
Pedro Luis Grande
4
Ion Implantation Laboratory, Institute of Physics—Federal University of Rio Grande do Sul
, Porto Alegre 91501-970, Brazil
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Ashok Kumar;
Ashok Kumar
5
Department of Electrical Engineering, Indian Institute of Technology Jodhpur
, Jodhpur 342037, India
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Mahesh Kumar
;
Mahesh Kumar
5
Department of Electrical Engineering, Indian Institute of Technology Jodhpur
, Jodhpur 342037, India
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Daniela Gogova
Daniela Gogova
a)
1
Research Institute of Physics and Technology, Lobachevsky University
, Nizhny Novgorod 603950, Russia
6
Centre for Materials Science and Nanotechnology, University of Oslo
, Blindern, 0316 Oslo, Norway
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a)
Electronic mail: daniela.gogova-petrova@smn.uio.no
Note: This paper is part of the Special Topic Collection on Gallium Oxide Materials and Devices.
J. Vac. Sci. Technol. A 39, 030802 (2021)
Article history
Received:
January 15 2021
Accepted:
March 04 2021
Citation
Alena Nikolskaya, Evgenia Okulich, Dmitry Korolev, Anton Stepanov, Dmitry Nikolichev, Alexey Mikhaylov, David Tetelbaum, Aleksei Almaev, Charles Airton Bolzan, Antônio Buaczik, Raquel Giulian, Pedro Luis Grande, Ashok Kumar, Mahesh Kumar, Daniela Gogova; Ion implantation in β-Ga2O3: Physics and technology. J. Vac. Sci. Technol. A 1 May 2021; 39 (3): 030802. https://doi.org/10.1116/6.0000928
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