Efthimios Kaxiras

Efthimios Kaxiras
Επίτιμος Καθηγητής
Alma mater
Known forTwistronics
Scientific career
Fields
Institutions
ThesisAb Initio theory of polar surfaces of binary compound semiconductors (1987)
Doctoral advisorJohn Joannopoulos
Doctoral students
Websiteefthimioskaxiras.scholars.harvard.edu

Efthimios "Tim" Kaxiras[a] is a Greek-American condensed matter physicist and materials scientist, who is John Hasbrouck Van Vleck Professor of Pure and Applied Physics at Harvard University. Known for his work in computational materials science, he and his research group have introduced the term "twistronics."[1][2]

Briefly studying electrical engineering at National Technical University of Athens, Kaxiras received his bachelor's degree in physics from Massachusetts Institute of Technology in 1981.[3][4] He completed his doctoral studies in physics at MIT in 1987 under the supervision of John Joannopoulos.[5] Working at IBM Research and United States Naval Research Laboratory, he became a faculty member at Harvard University in 1991. In addition to his tenure at Harvard University, he held appointments in École Polytechnique Fédérale de Lausanne and University of Ioannina.[4]

Kaxiras is a Fellow of the Institute of Physics, and a member of Materials Research Society and American Chemical Society.[4] In 2003, he became a fellow of American Physical Society for his "contributions to understanding the properties of materials, through simulations and the development of new first-principles, empirical and multiscale computational methods."[6]

Selected publications

Books
  • Kaxiras, Efthimios (2010). Atomic and Electronic Structure of Solids. Cambridge University Press. ISBN 9780511755545.
Journal articles
  • Copel, M.; Reuter, M. C.; Kaxiras, Efthimios; Tromp, R. M. (1989). "Surfactants in epitaxial growth". Physical Review Letters. 63 (6): 632. doi:10.1103/PhysRevLett.63.632.
  • Rappe, Andrew M.; Rabe, Karin M.; Kaxiras, Efthimios; Joannopoulos, J. D. (1990). "Optimized pseudopotentials". Physical Review B. 41: 1227. doi:10.1103/PhysRevB.41.1227.
  • Broughton, Jeremy Q.; Abraham, Farid F.; Bernstein, Noam; Kaxiras, Efthimios (1999). "Concurrent coupling of length scales: Methodology and application". Physical Review B. 60 (4): 2391. doi:10.1103/PhysRevB.60.2391.
  • Carr, Stephen; Massatt, Daniel; Fang, Shiang; Cazeaux, Paul; Luskin, Mitchell; Kaxiras, Efthimios (2017). "Twistronics: Manipulating the electronic properties of two-dimensional layered structures through their twist angle". Physical Review B. 95 (7) 075420. arXiv:1611.00649. Bibcode:2017PhRvB..95g5420C. doi:10.1103/PhysRevB.95.075420. S2CID 27148700.
  • Cao, Yuan; Fatemi, Valla; Fang, Shiang; Watanabe, Kenji; Taniguchi, Takashi; Kaxiras, Efthimios; Jarillo-Herrero, Pablo (2018). "Unconventional superconductivity in magic-angle graphene superlattices". Nature. 556: 43–50. arXiv:1803.02342. doi:10.1038/nature26160.
  • Cao, Yuan; Fatemi, Valla; Demir, Ahmet; Fang, Shiang; Tomarken, Spencer L.; Luo, Jason Y.; Sanchez-Yamagishi, Javier D.; Watanabe, Kenji; Taniguchi, Takashi; Kaxiras, Efthimios; Ashoori, Ray C.; Jarillo-Herrero, Pablo (2018). "Correlated insulator behaviour at half-filling in magic-angle graphene superlattices". Nature. 556: 80–84. arXiv:1802.00553. doi:10.1038/nature26154.
  • Yoo, Hyobin; Engelke, Rebecca; Carr, Stephen; Fang, Shiang; Zhang, Kuan; Cazeaux, Paul; Sung, Suk Hyun; Hovden, Robert; Tsen, Adam W.; Taniguchi, Takashi; Watanabe, Kenji; Yi, Gyu-Chul; Kim, Miyoung; Luskin, Mitchell; Tadmor, Ellad B.; Kaxiras, Efthimios; Kim, Philip (2019). "Atomic and electronic reconstruction at the van der Waals interface in twisted bilayer graphene". Nature Materials. 18: 448–453. arXiv:1804.03806. doi:10.1038/s41563-019-0346-z.

Notes

  1. ^ Greek: Επίτιμος Καθηγητής

References

  1. ^ a b Carr, Stephen; Massatt, Daniel; Fang, Shiang; Cazeaux, Paul; Luskin, Mitchell; Kaxiras, Efthimios (17 February 2017). "Twistronics: Manipulating the electronic properties of two-dimensional layered structures through their twist angle". Physical Review B. 95 (7) 075420. arXiv:1611.00649. Bibcode:2017PhRvB..95g5420C. doi:10.1103/PhysRevB.95.075420. S2CID 27148700.
  2. ^ a b Tritsaris, Georgios A.; Carr, Stephen; Zhu, Ziyan; Xie, Yiqi; Torrisi, Steven B.; Tang, Jing; Mattheakis, Marios; Larson, Daniel; Kaxiras, Efthimios (2020-01-30). "Electronic structure calculations of twisted multi-layer graphene superlattices". 2D Materials. 7 (3): 035028. arXiv:2001.11633. Bibcode:2020TDM.....7c5028T. doi:10.1088/2053-1583/ab8f62. S2CID 211004085.
  3. ^ a b Eptakili, Tassoula (November 9, 2025). "Boston, where Greeks are making things happen". Kathimerini. Retrieved December 19, 2025.
  4. ^ a b c d "Biographical sketch". efthimioskaxiras.scholars.harvard.edu. Retrieved December 19, 2025.
  5. ^ a b Kaxiras, Efthimios. "Ab Initio theory of polar surfaces of binary compound semiconductors". MIT Libraries. Retrieved 20 August 2025.
  6. ^ a b "APS Fellows Archive". aps.org. American Physical Society. Retrieved December 19, 2025.
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