Sefaattin Tongay

Sefaattin Tongay is an American materials scientist and engineer internationally recognized for materials synthesis and discovery for next-generation quantum technologies. He is the chair of undergraduate Materials Science and Engineering at Arizona State University and serves as an associate editor at American Institute of Physics (AIP) Applied Physics Reviews[6] and Nature 2D materials & applications by Nature.[7]

Sefaattin Tongay
Born
Germany
NationalityGermany and United States of America
Alma materUniversity of California, Berkeley University of Florida
Known forGraphene solar cells, graphene diodes, 2D exciton complexes, discovery of anisotropic materials, 2D alloys
AwardsPresidential Early Career Award for Scientists and Engineers[1] National Science Foundation CAREER Award[2][3] Highly Cited Researchers of 2019 and 2020[4][5]
Scientific career
FieldsQuantum Materials, Nanotechnology, Material Synthesis, Spectroscopy
InstitutionsArizona State University

Recognition

His work received a number of prestigious awards including one from the president of United States Donald Trump Presidential Early Career Award for Scientists and Engineers[1][8] given to outstanding scientists and engineers in the U.S. by the White House. His work has resulted in prestigious National Science Foundation CAREER Award[2][3] and Ten Outstanding Young Persons of the World award. In 2019 and 2020, his work has seen him identified as one of the most influential researchers over the past decade by Clarivate Analytics and Web of Science.[4][5][9] Google scholar statistics independently has identified him as one of the top 10 researchers in the world in the area of quantum materials[10] and top 50 in two-dimensional materials.[11]

Research and career

He studied materials physics at the University of Florida working with Prof. Dr. Arthur F. Hebard[12] and postdoctoral fellowship at the materials science and engineering at the University of California, Berkeley and Stanford.[13] He is known for his patent integrating conductive graphene into flexible displays, solar cells, and touch screens.[14] His notable and most cited work includes manufacturing of 2D and quantum materials, 2D Janus materials, the discovery of 2D anisotropic materials including Rhenium disulfide (ReS₂),[15] graphene based high-power devices,[16] and graphene solar cells.[17][18][19] His research often uses alloying, defects engineering, dopants, and manufacturing techniques to create a new set of functionalities. His other seminal contributions include establishing the genome of defects in 2D quantum materials,[20] 2D alloying, van der Waals epitaxy, the discovery of Moire excitons in 2Ds,[21] and band alignment theory of 2D superlattices.

Awards and honors

References
  1. "President Donald J. Trump Announces Recipients of the Presidential Early Career Award for Scientists and Engineers". whitehouse.gov. Retrieved January 7, 2020 – via National Archives.
  2. "CAREER: Point Defects in Two-dimensional Material Systems: Fundamentals and New Perspectives". National Science Foundation. Retrieved January 7, 2020.
  3. "Imperfections make 2D materials potential powerhouses for producing tech advances". ASU Now. Retrieved January 7, 2020.
  4. "Highly Cited Researchers". Researcher Recognition. Retrieved June 16, 2023.
  5. "11 ASU academics recognized as world's most influential researchers over the past decade". ASU News. November 26, 2019.
  6. "Applied Physics Reviews". aip.scitation.org.
  7. "About the Editor | npj 2D Materials and Applications". www.nature.com. Retrieved May 17, 2021.
  8. Kullman, Joe (July 18, 2019). "Presidential Award Recognizes Fulton Schools Professor's Promising Research Contributions to Technological Progress". ASU. Retrieved January 7, 2020.
  9. "Highly Cited Researchers". publons.com. Retrieved December 24, 2020.
  10. "Profiles". scholar.google.com. Retrieved January 24, 2020.
  11. "Profiles". scholar.google.com. Retrieved January 24, 2020.
  12. "Art Hebard, Department of Physics, UF". www.phys.ufl.edu.
  13. "UCB :: MSE : Wu group :: People : Current Members". wu.mse.berkeley.edu.
  14. US8890277B2, Hebard, Arthur Foster & Tongay, Sefaattin, "Graphite and/or graphene semiconductor devices", issued 2014-11-18
  15. Zyga, Lisa. "Scientists discover bulk material that exhibits monolayer behavior". Phys.Org. Retrieved January 7, 2020.
  16. "Graphite and/or graphene semiconductor devices". Google Patents. Retrieved January 7, 2020.
  17. Zyga, Lisa. "Dopant gives graphene solar cells highest efficiency yet". Phys.org. Retrieved January 7, 2020.
  18. "Physicists set new record for graphene solar cell efficiency". Science Daily. Retrieved January 7, 2020.
  19. Tongay, S.; Lemaitre, M.; Miao, X.; Gila, B.; Appleton, B. R.; Hebard, A. F. (2012). "Rectification at Graphene-Semiconductor Interfaces: Zero-Gap Semiconductor-Based Diodes". Physical Review X. 2 (1): 011002. arXiv:1105.4811. Bibcode:2012PhRvX...2a1002T. doi:10.1103/PhysRevX.2.011002.
  20. Zyga, Lisa. "Defects in 2D semiconductors could lead to multi-colored light-emitting devices". Retrieved September 13, 2013.
  21. Demming, Anna (February 27, 2019). "Twistronics lights up with moiré exciton experiments". Physics World. Retrieved January 7, 2020.
  22. Serago, Rose (June 8, 2017). "Tongay's 2D Materials Research Earns Award from Turkish Science Association". ASU Now. Retrieved January 7, 2020.
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