Publications

  1. G. Krizman, T. Schumann, S. Tchoumakov, B.A. Assaf, S. Stemmer, L.A. de Vaulchier, Y. Guldner, “Determination of the crystal field splitting energy in Cd3As2 using magnetooptics”. under review Phys. Rev. B. 
  2. A. Inhofer, T. Wilde, J. Duffy, M. Boukhicha, J. Palomo, K. Watanabe, T. Taniguchi, J.-M. Berroir, G. Fève, E.  Bocquillon, B. Plaçais, B.A. Assaf, “RF compressibility of topological surface and interface states in metal-hBN-Bi2Se3 capacitors”. accepted Journal of Phys: Materials, Special issue.
  3. G. Krizman, B.A. Assaf, T. Phuphachong, G. Bauer, G. Springholz, L.A. de Vaulchier, Y. Guldner. “Dirac parameters and topological phase transition of Pb1-xSnxSe from magneto-spectroscopy” Phys. Rev. B. 98 245202 (2018) arxiv 1810.10490
  4. G. Krizman, B.A. Assaf, M. Orlita, T. Phuphachong, G. Bauer, G. Springholz, G. Bastard, R. Ferreira, L.A. de Vaulchier, Y. Guldner. “Avoided level crossing at the magnetic field induced topological phase transition due to orbital mixing” Phys. Rev. B. 98 161202 (2018). arxiv 1808.03361. Rapid Comm. Editors’ Suggestion.

Before fall 2018

  1. P.M. Hosseinpour, F. Jiménez-Villacorta, J. Liu, B.A. Assaf, I.J. McDonald, D. Arena, D. Heiman, L. Menon, and L.H. Lewis. “Fe-incorporated TiO2nanotube arrays: Electronic structure and magnetic response” Phys. Rev. B 98 195145 (2018)
  2. G. Krizman, B.A. Assaf, T. Phuphachong, G. Bauer, G. Springholz, G. Bastard, R. Ferreira, L.A. de Vaulchier, Y. Guldner. “Tunable Dirac interface states in topological superlattices” Phys. Rev. B 98 075303 (2018). arXiv:1806.04876
  3. D. Walkup, B.A. Assaf, K.L. Scipioni, R. Sankar, F. Chou, G. Chang, H. Lin, I. Zeljkovic, V. Madhavan, “Interplay of orbital effects and nanoscale strain in topological crystalline insulator.” Nature Communications 9 1550 (2018). arxiv1610.09337.
  4. A. Inhofer, J. Duffy, M. Boukhicha, E. Bocquillon, J. Palomo, K. Watanabe, T. Taniguchi, I. Estève, J.M. Berroir, G. Fève, B. Plaçais, B.A. Assaf. “RF compressibility of topological insulator Bi2Se3­ in the bulk depleted regime”, Physical Review Applied 024022 (2018). arxiv1707.01657
  5. B.A. Assaf, T. Phuphachong, E. Kampert, V. Volobuev, P. Mandal, J. Sanchez-Barriga, O. Rader, G. Bauer, G. Springholz, L.A. de Vaulchier, Y. Guldner, “Negative magnetoresistance from anomalous N=0 Landau level in topological matter”. Physical Review Letters 119, 106602 (2017) SELRES_01084582-1910-4292-b8ec-0f15b48f70b6SELRES_cb6756f5-8a98-4afd-a29f-1100e7048ecdarxiv 1704.02021SELRES_cb6756f5-8a98-4afd-a29f-1100e7048ecdSELRES_01084582-1910-4292-b8ec-0f15b48f70b6. Editors’ Suggestion.
  6. A. Inhofer, S. Tchoumakov, B.A. Assaf, G. Fève, J.M. Berroir, V. Jouffrey, D. Carpentier, M. Goerbig, B. Plaçais, K. Bendias, D.M. Mahler, E. Bocquillon, E. Schlereth, C. Brüne, H. Buhmann, L.W. Molenkamp. “Topological confined massive surface states in strained bulk HgTe probed by RF compressibility”, Physical Review B. 96 195104 (2017) arxiv.1704.04045. Editors’ Suggestion.
  7. T. Phuphachong, B.A. Assaf, V.V. Volobuev, G. Springholz, G. Bauer, L.A. de Vaulchier, Y. Guldner. “Magnetooptical evidence of the topological phase transition in (111)-Pb1-xSnxTe. Journal of Physics: Conference Series. 864, 012038 (2017).
  8. B.A. Assaf, T. Phuphachong, V.V. Volobuev, G. Springholz, G. Bauer, L.A. de Vaulchier, Y. Guldner. “Magnetooptical determination of a topological index”. Nature partner journals Quantum Materials. 2, 26 (2017) arxiv: 1608.08912
  9. T. Phuphachong, B.A. Assaf, V.V. Volobuev, G. Springholz, G. Bauer, L.A. de Vaulchier, Y. Guldner. “Dirac Landau Level Spectroscopy in Pb1−xSnxSe and Pb1−xSnxTe across the Topological Phase Transition: A Review”. Crystals 7, 29 (2017)
  10. V. Callewaert, K. Shastry, R. Saniz, I. Makkonen, B. Barbiellini, B. A. Assaf, D. Heiman, J.S. Moodera, B. Partoens, A. Bansil, A. Weiss, “Positron surface state as a new spectroscopic probe for characterizing surfaces of topological insulator materials”. Physical Review B. 94, 115411 (2016)
  11. F. Katmis, V. Lauter, F.S. Nogueira, B.A. Assaf, M.E Jamer, P. Wei, B. Satpati, J.W. Freeland, I. Eremin, D. Heiman, P. Jarillo-Herrero, J.S. Moodera, “A high-temperature ferromagnetic topological insulating phase by proximity coupling.” Nature 533, 513, (2016).
  12. B.A. Assaf, T. Phuphachong, V.V. Volobuev, A. Inhofer, G. Springholz, G. Bauer, L.A. de Vaulchier, Y. Guldner. “Massive and massless Dirac fermions in Pb1-xSnxTe topological crystalline insulator probed by magnetooptical absorption”. Scientific Reports 6, 20323 (2016). arxiv: 1510.01081
  13. K. Shastry, A.H. Weiss, B. Barbiellini, B.A. Assaf, Z.H. Lim, P.V. Joglekar, D. Heiman. “Evidence of positron bound State on the surface of a topological insulator.” Journal of Physics: Conference Series. 618, 012006 (2015).
  14. I. Zeljkovic, D. Walkup, B.A. Assaf, K. Scipioni, R. Sankar, F. Chou, V. Madhavan. “Strain engineering Dirac surface states in heteroepitaxial topological crystalline insulator thin films.” Nature Nanotechnology 10, 849 (2015). arxiv: 1501.01233.
  15. B.A. Assaf, F. Katmis, P. Wei, C.Z. Chang, B. Satpati, J.S. Moodera, D. Heiman. “Inducing magnetism onto the surface of a topological crystalline insulator”. Physical Review B 91, 195310, (2015). arxix: 1504.06121
  16. C.Z. Chang, W. Zhao, D.Y. Kim, H. Zhang, B.A. Assaf, D. Heiman, S.C. Zhang, C. Liu, M.H.W. Chan, J.S. Moodera. “High-precision realization of robust quantum Hall states in a hard ferromagnetic topological insulator.” Nature Materials, 14, 473 (2015). arxiv: 1412.3758
  17. M.E. Jamer, B.A. Assaf, G.E. Sterbinsky, D. Arena, L.H. Lewis, A.A. Saul, G. Radtke, D. Heiman, “Antiferromagnetic phase in gapless semiconductor V3Al”, Physical Review B, 91, 094409, (2015)
  18. M.E. Jamer, B.A. Assaf, G.E. Sterbinsky, D.A. Arena, D. Heiman, “Atomic moments in Mn2CoAl thin films analyzed by X-ray magnetic circular dichroism”, Journal of Applied Physics, 116, 213914 (2014).
  19. B.A. Assaf, F. Katmis, P. Wei, B. Satpati, Z. Zhang, J.S. Moodera, D. Heiman, “Quantum coherent transport in SnTe topological crystalline insulator thin films”, Applied Physics Letters, 105, 102108 (2014), arxiv 1403.1810
  20. M.E. Jamer, B.A. Assaf, S. P. Bennett, L.H. Lewis, D. Heiman, “Magnetic properties and large coercivity in MnxGa nnostructures”, Journal of Magnetism and Magnetic Materials, 358-359, 285 (2014).
  21. G.X. Miao, J. Chang, B.A. Assaf, D. Heiman and J.S. Moodera, “Spin regulation in composite spin-filter barrier devices”, Nature Communications, 5, 3682 (2014).
  22. T. Nan, Z. Zhou, M. Liu, X. Yang, Y.Gao, B.A. Assaf, H. Lin, S. Velu, X.Wang, H. Luo, J. Shen, S. Akhtar, E. Hu, R. Rajiv, K. Krishnan, S. Sreedhar, D. Heiman, B.M. Howe, G.J. Brown and N.X. Sun, “Quantification of strain and charge co-mediated magnetoelectric coupling on ultra-thin Permalloy PMN-PT interface“, Scientific Reports, 4, 3368 (2014)
  23. M.E. Jamer, B.A. Assaf, T. Devakul and D. Heiman, “Magnetic and transport properties of spin gapless Mn2CoAl films”, Applied Physics Letters, 103, 142403 (2013), arxiv 1309.6660.
  24. P. Wei, F. Katmis, B.A. Assaf, H. Steinberg, P. Jarillo-Herrero, D. Heiman, J.S. Moodera, “Magnetic proximity-induced symmetry breaking in topological insulators”, Physical Review Letters, 110, 186807 (2013)
  25. B.A. Assaf, T. Cardinal, P. Wei, F. Katmis, J.S. Moodera, D. Heiman, “Linear Magnetoresistance in Topological Insulator Thin Films: Quantum Phase Coherence Effects at High Temperatures”, Applied Physics Letters 102, 012102 (2013), arxiv: 1205.4635.
  26. B. Li, N. Roschewsky, B.A. Assaf, M. Eich, M. Epstein-Martin, D. Heiman, M. Münzenberg, J.S. Moodera, “Superconducting Spin Switch with Infinite Magnetoresistance Induced by an Internal Exchange Field”, Physical Review Letters, 110, 097001 (2013)
  27. B.A. Assaf, T. Cardinal, P. Wei, F. Katmis, J.S. Moodera, D. Heiman, “Modified Electrical Transport Probe Design for Standard Magnetometer”, Review of Scientific Instruments 83, 033904 (2012), arxiv: 1203.0682.