Curriculum Vitae
Education
- Ph.D. in Physics
- Received May 2013
- Topic: Applications of Methods Beyond Density Functional Theory to the Study of Correlated Electron Systems
- Advisor: William H. Butler
- Tulane University
- B.S. with honors in Physics
- Received May 2007
Postdoctoral Experience
- May 2016 through July 2018
- Advisor: Sokrates T. Pantelides
- Project: Simulation of structure and spectroscopy observed in the scanning transmission electron microscope
- German Research School for Simulation Sciences
- June 2013 through April 2016
- Advisor: Erik Koch
- Project: The orbital ordering and Jahn-Teller transition in transition-metal fluoroperovskites
Teaching Experience
German Research School for Simulation Sciences
- Winter Semester 2013-2014, 2014-2015, 2015-2016
- Applied Quantum Mechanics, Instructor for recitation/tutorial session
- Francis Marion University
Fall 2018 to present
See Teaching Page for list of courses
Funding
External
- National Science Foundation
- Established Program to Stimulate Competitive Research (EPSCoR)
- Research Infrastructure Initiative (RII) Track 4 Fellowship
- $101,854
- Awarded, January 2021 – January 2023
Internal
- Francis Marion University
- Ready to Experience Applied Learning (REAL)
- Student trip to the Meeting of the Southeastern Section of the American Physical Society
- $5,000
- Awarded Fall 2019
- Professional Experience and Knowledge (PEAK)
- Funding for student researcher, Deep learning recognition of radiation-related defects in steel alloys
- $5,000
- Awarded Summer 2022
- Information Technology
- Funding for maintenance and expansion of departmental HPC cluster
- $10,000
- Awarded Spring 2020
- Summer Research Stipend
- Funding for summer research
- $4,000
- Awarded Summer 2019
- Ready to Experience Applied Learning (REAL)
Refereed Publications
27. J. Zhou, J. Lin, H. Sims, C. Jiang, C. Cong, J.A. Brehm, Z. Zhang, L. Niu, Y. Chen, Y. Zhou, Y. Wang, F. Liu, C. Zhu, T. Yu, K. Suenaga, R. Mishra, S.T. Pantelides, Z.‐G. Zhu, W. Gao, Z. Liu, W. Zhou, “Synthesis of Co-Doped MoS2 Monolayers with Enhanced Valley Splitting.” Advanced Materials 32, 1906536 (2020). 10.1002/adma.201906536
26. C.-T. Toh, H. Zhang, J. Lin, A.S. Mayorov, Y.-P. Wang, C. M. Orofeo, D. B. Ferry, H. Andersen, N. Kakenov, Z. Guo, I.H. Abidi, H. Sims, K. Suenaga, S.T. Pantelides, B. Özyilmaz, “Synthesis and properties of free-standing monolayer amorphous carbon.” Nature 577, 199-203 (2020). 10.1038/s41586-019-1871-2
25. H. Sims, D.N. Leonard, A.Y. Birenbaum, Z. Ge, T. Berlijn, L. Li, V.R. Cooper, M.F. Chisholm, S.T. Pantelides, “Intrinsic interfacial van der Waals monolayers and their effect on the high-temperature superconductor FeSe/SrTiO3.” Phys. Rev. B 100, 144103 (2019). 10.1103/PhysRevB.100.144103
24. B.M. Hudak, J. Song, H. Sims, M.C. Troparevsky, T.S. Humble, S.T. Pantelides, P.C. Snijders, and A.R. Lupini, “Directed Atom-by-Atom Assembly of Dopants in Silicon.” ACS Nano 12, 5873 (2018). 10.1021/acsnano.8b02001
23. J.A. Brehm, J. Lin, J. Zhou, H. Sims, Z. Liu, S.T. Pantelides, and K. Suenaga, “Electron beam-induced synthesis of hexagonal 1H-MoSe2 from square β-FeSe decorated with Mo adatoms.” Nano letters 18 , 2016 (2018). 10.1021/acs.nanolett.7b05457
22. J. Song, B.M. Hudak, H. Sims, Y. Sharma, T.Z. Ward, S.T. Pantelides, A.R. Lupini, and P.C. Snijders, “Homo-endotaxial one-dimensional Si nanostructures.” Nanoscale 10, 260 (2018). 10.1039/C7NR06968E
21. B.S. Hollinsworth, H. Sims, J.G. Cherian, D. Mazumdar, N.C. Harms, B.C.L. Chapman, A. Gupta, S.A. McGill, and J.L. Musfeldt, “Magnetic field tunability of spin-polarized excitations in a high-temperature magnet.” Phys. Rev. B 96, 094427 (2017). 10.1103/PhysRevB.96.094427
20. H. Sims, E. Pavarini, and E. Koch, “Thermally assisted ordering in Mott Insulators.” Phys. Rev. B 96, 054107 (2017). 10.1103/PhysRevB.96.054107
19. M. Baumgaertel, K. Ghanem, A. Kiani, E. Koch, E. Pavarini, H. Sims, G. Zhang, “Massively parallel simulations of strong electronic correlations: Realistic Coulomb vertex and multiplet effects.” Eur. Phys. J. Spec. Top. 226, 2525 (2017). 10.1140/epjst/e2016-60311-8
18. K. Ramasamy, H. Sims, S. Keshavarz, N. Naghibolashrafi, and A. Gupta, “Nanocrystals of CuCr2S4xSex chalcospinels with tunable magnetic properties.” J. Mater. Chem. C 4, 3628 (2016). 10.1039/C5TC04448K
17. K. Ramasamy, R.K. Gupta, H. Sims, S. Palchoudhury, S.A. Ivanov, and A. Gupta, “Layered Ternary Sulfide CuSbS2 Nanoplates for Flexible Solid-State Supercapacitors.” J. Mater. Chem. A 3, 13263 (2015). 10.1039/c5ta03193a
16. K. Ramasamy, H. Sims, W.H. Butler, and A. Gupta, “Selective nanocrystal synthesis and calculated electronic structure of all four phases of copper-antimony-sulfide.” Chem. Mater. 26, 2891 (2014). 10.1021/cm5005642
15. K. Ramasamy, H. Sims, W.H. Butler, and A. Gupta, “Mono-, few-, and multiple layers of Copper Antimony Sulfide (CuSbS2): A tertiary layered sulfide.” J. Am. Chem. Soc. 136, 1587 (2014). 10.1021/ja411748g
14. H. Sims, K. Ramasamy, W.H. Butler, and A. Gupta, “Electronic structure of magnetic semiconductor CdCr2Te4: A possible spin-dependent symmetry filter.” Appl. Phys. Lett. 103, 192402 (2013). 10.1063/1.4827818
13. K. Ramasamy, H. Sims, R.K. Gupta, D. Kumar, W.H. Butler, and A. Gupta, “CoxCu1−xCr2S4 Nanocrystals: Synthesis, Magnetism, and Band Structure Calculations.” Chem. Mater. 25, 4003 (2013). 10.1021/cm401938f
12. B.S. Hollinsworth, D. Mazumdar, H. Sims, Q.C. Sun, M.K. Yurtisigi, S. K. Sarkar, A. Gupta, W.H. Butler, and J.L. Musfeldt, “Chemical tuning of the optical band gap in spinel ferrites: CoFe2O4 vs. NiFe2O4”. Appl. Phys. Lett. 103, 082406 (2013). 10.1063/1.4818315
11. H. Sims, E.R. Ylvisaker, E. Sasıoglu, C. Friedrich, S. Bluegel, and W.E. Pickett, “Effect of local electron-electron correlation in hydrogen-like impurities in Ge.” Phys. Rev. B 87, 195120 (2013). 10.1103/PhysRevB.87.195120
10. M.E. Williams, H. Sims, D. Mazumdar, and W.H. Butler, “Effects of 3-d and 4-d-transition metal substitutional impurities on the electronic properties of CrO2.” Phys. Rev. B 86, 235124 (2012). 10.1103/PhysRevB.86.235124
9. H. Sims, W. H. Butler, M. Richter, K. Koepernik, E. Sasıoglu, C. Friedrich, and S. Bluegel, “Theoretical Investigation into the Possibility of Very Large Moments in Fe16N2.” Phys. Rev. B 86, 174422 (2012). 10.1103/PhysRevB.86.174422
8. Q.-C. Sun, H. Sims, D. Mazumdar, J.X. Ma, B.S. Hollinsworth, K.R. O’Neal, W.H. Butler, A. Gupta, and J.L. Musfeldt, “Novel optical band gap hierarchy in a magnetic oxide: electronic structure of NiFe2O4.” Phys. Rev. B 86, 205106 (2012). 10.1103/PhysRevB.86.205106
7. K.B. Chetry, H. Sims, W.H. Butler, and A. Gupta. “A comparison of the growth modes of (100)- and (110)-oriented CrO2 films through the calculation of surface and interface energies.” J. Appl. Phys. 110, 113910 (2011). 10.1063/1.3664768
6. K.B. Chetry, H. Sims, W.H. Butler, and A. Gupta. “Electronic and magnetic structure of CrO2-RuO2 interfaces.” Phys. Rev. B 84, 054438 (2011). 10.1103/PhysRevB.84.054438
5. H. Sims, S.J. Oset, W.H. Butler, J.M. MacLaren, and M. Marsman. “Determining the anisotropic exchange coupling of CrO2 via first-principles density functional theory calculations.” Phys. Rev. B 81, 224436 (2010). 10.1103/PhysRevB.81.224436
4. M. Pathak, H. Sims, K.B. Chetry, D. Mazumdar, P.R. LeClair, G.J. Mankey, W.H. Butler, and A. Gupta. “Robust room-temperature magnetism of (110) CrO2 thin films.” Phys. Rev. B 80, 212405 (2009). 10.1103/PhysRevB.80.212405
3. M.E. Williams, W.H. Butler, C.K. Mewes, H. Sims, M. Chshiev, and S.K. Sarker. “Calculated electronic and magnetic structure of rutile phase V1−xCrxO2.” J. Appl. Phys. 105, 07E510 (2009). 10.1063/1.3072033
2. H. Sims and W.H. Butler. “Tunable coupling in CrO2 via RuO2 layers.” J. Appl. Phys. 105, 07C922 (2009). 10.1063/1.3068417
1. G.X. Miao, A. Gupta, H. Sims, and W.H. Butler, S. Ghosh, G. Xiao, “Giant magnetoresistive structures based on CrO2 with epitaxial RuO2 as the spacer layer.” J. Appl. Phys. 97, 10C924 (2005). 10.1063/1.1855532