Transport properties of variously doped SmB₆

References

• M.Z. Hasan and C.L. Kane, Colloquium: Topological insulators, Rev. Mod. Phys. 82 (2010), pp. 3045–3067.10.1103/RevModPhys.82.3045
   Web of Science ®Google Scholar
• B.A. Bernevig and T.L. Hughes, Topological Insulators and Topological Superconductors, Princeton University Press, Princeton and Oxford, 2013.
   Google Scholar
• M. Dzero, K. Sun, V. Galitski, and P. Coleman, Topological Kondo Insulators, Phys. Rev. Lett. 104 (2010), p. 106408.10.1103/PhysRevLett.104.106408
   PubMed Web of Science ®Google Scholar
• T. Takimoto, SmB6 : A Promising candidate for a topological insulator, J. Phys. Soc. Jpn. 80 (2011), p. 123710.10.1143/JPSJ.80.123710
   Google Scholar
• F. Lu, J. Zhao, H. Weng, Z. Fang, and X. Dai, Correlated topological insulators with mixed valence, Phys. Rev. Lett. 110 (2013), p. 096401.10.1103/PhysRevLett.110.096401
   PubMed Web of Science ®Google Scholar
• V. Alexandrov, M. Dzero, and P. Coleman, Cubic topological Kondo insulators, Phys. Rev. Lett. 111 (2013), p. 226403.10.1103/PhysRevLett.111.226403
   PubMed Web of Science ®Google Scholar
• B. Roy, J.D. Sau, M. Dzero, and V. Galitski, Surface theory of a family of topological Kondo insulators, Phys. Rev. B 90 (2014), p. 155314.10.1103/PhysRevB.90.155314
   Web of Science ®Google Scholar
• J.C. Cooley, M.C. Aronson, Z. Fisk, and P.C. Canfield, SmB6: Kondo insulator or exotic metal?, Phys. Rev. Lett. 74 (1995), pp. 1629–1632.10.1103/PhysRevLett.74.1629
   PubMed Web of Science ®Google Scholar
• K.A. Kikoin and A.S. Mishchenko, Magnetic excitations in intermediate-valence semiconductors with a singlet ground state, J. Phys.: Condens. Mat. 7 (1995), pp. 307–313.10.1088/0953-8984/7/2/008
   Web of Science ®Google Scholar
• S. Curnoe and K. Kikoin, Electron self-trapping in intermediate-valent SmB6, Phys. Rev. B 61 (2000), pp. 15714–15725.10.1103/PhysRevB.61.15714
   Web of Science ®Google Scholar
• P.S. Riseborough, Heavy fermion semiconductors, Adv. Phys. 49 (2000), pp. 257–320.10.1080/000187300243345
   Web of Science ®Google Scholar
• I. Bat'ko, P. Farkašovský, K. Flachbart, E.S. Konovalova, and Y.B Paderno, Low-temperature resistivity of valence fluctuation compound SmB6, Solid State Commun. 88 (1993), pp. 405–410.10.1016/0038-1098(93)90234-E
   Web of Science ®Google Scholar
• S. Gabáni, K. Flachbart, E. Konovalova, M. Orendáč, Y. Paderno, V. Pavlı́k, and J. Šebek, Properties of the in-gap states in SmB6, Solid State Commun. 117 (2001), pp. 641–644.10.1016/S0038-1098(01)00004-7
   Web of Science ®Google Scholar
• N.E. Sluchanko, V.V. Ġlushkov, B.P. Gorshunov, S.V. Demishev, M.V. Kondrin, A.A. Pronin, A.A. Volkov, A.K. Savchenko, G. Grüner, Y. Bruynseraede, V.V. Moshchalkov, and S. Kunii, Intragap states in SmB6, Phys. Rev. B 61 (2000), pp. 9906–9909.10.1103/PhysRevB.61.9906
   Web of Science ®Google Scholar
• J. Derr, G. Knebel, D. Braithwaite, B. Salce, J. Flouquet, K. Flachbart, S. Gabáni, and N. Shitsevalova, From unconventional insulating behavior towards conventional magnetism in the intermediate-valence compound SmB6, Phys. Rev. B 77 (2008), p. 193107.10.1103/PhysRevB.77.193107
   Web of Science ®Google Scholar
• E.E. Vainshtein, S.M. Blokhin, and Y.B. Paderno, X-ray spectroscopy investigation of samarium hexaboride, Sov. Phys. Solid State 6 (1965), pp. 2318–2321.
   Web of Science ®Google Scholar
• A. Menth, E. Buehler, and T.H. Geballe, Magnetic and semiconducting properties of SmB6, Phys. Rev. Lett. 22 (1969), pp. 295–297.10.1103/PhysRevLett.22.295
   Web of Science ®Google Scholar
• J.C. Nickerson, R.M. White, K.N. Lee, R. Bachmann, T.H. Geballe, and G.W. Hull Jr, Physical properties of SmB6, Phys. Rev. B 3 (1971), pp. 2030–2042.10.1103/PhysRevB.3.2030
   Web of Science ®Google Scholar
• J.W. Allen, B. Batlogg, and P. Wachter, Large low-temperature Hall effect and resistivity in mixed-valent SmB6, Phys. Rev. B 20 (1979), pp. 4807–4813.10.1103/PhysRevB.20.4807
   Web of Science ®Google Scholar
• D.J. Kim, T. Grant, and Z. Fisk, Limit cycle and anomalous capacitance in the Kondo insulator SmB6, Phys. Rev. Lett. 109 (2012), p. 096601.10.1103/PhysRevLett.109.096601
   Google Scholar
• D.J. Kim, J. Xia, and Z. Fisk, Topological surface state in the Kondo insulator samarium hexaboride, Nat. Mater. 13 (2014), pp. 466–470.
   PubMed Web of Science ®Google Scholar
• S. Wolgast, Çağlıyan Kurdak, K. Sun, J.W. Allen, D.-J. Kim, and Z. Fisk, Low-temperature surface conduction in the Kondo insulator SmB6, Phys. Rev. B 88 (2013), p. 180405(R).10.1103/PhysRevB.88.180405
   Google Scholar
• P. Syers, D. Kim, M.S. Fuhrer, and J. Paglione, Tuning bulk and surface conduction in the proposed topological Kondo insulator SmB6, Phys. Rev. Lett. 114 (2015), p. 096601.10.1103/PhysRevLett.114.096601
   Google Scholar
• H. Miyazaki, T. Hajiri, T. Ito, S. Kunii, and S.I. Kimura, Momentum-dependent hybridization gap and dispersive in-gap state of the Kondo semiconductor SmB6, Phys. Rev. B 86 (2012), p. 075105.10.1103/PhysRevB.86.075105
   Google Scholar
• J. Jiang, S. Li, T. Zhang, Z. Sun, F. Chen, Z.R. Ye, M. Xu, Q.Q. Ge, S.Y. Tan, X.H. Niu, M. Xia, B.P. Xie, Y.F. Li, X.H. Chen, H.H. Wen, and D.L. Feng, Observation of possible topological in-gap surface states in the Kondo insulator SmB6 by photoemission, Nat. Commun. 4 (2013), p. 3010.
   PubMed Web of Science ®Google Scholar
• M. Neupane, N. Alidoust, S.-Y. Xu, T. Kondo, Y. Ishida, D.J. Kim, C. Liu, I. Belopolski, Y.J. Jo, T.-R. Chang, H.-T. Jeng, T. Durakiewicz, L. Balicas, H. Lin, A. Bansil, S. Shin, Z. Fisk, and M.Z. Hasan, Surface electronic structure of the topological Kondo-insulator candidate correlated electron system SmB6, Nat. Commun. 4 (2013), p. 2991.
   PubMed Web of Science ®Google Scholar
• N. Xu, X. Shi, P.K. Biswas, C.E. Matt, R.S. Dhaka, Y. Huang, N.C. Plumb, M. Radović, J.H. Dil, E. Pomjakushina, K. Conder, A. Amato, Z. Salman, D. Paul, J. Mesot, H. Ding, and M. Shi, Surface and bulk electronic structure of the strongly correlated system SmB6 and implications for a topological Kondo insulator, Phys. Rev. B 88 (2013), p. 121102(R).10.1103/PhysRevB.88.121102
   Google Scholar
• E. Frantzeskakis, N. de Jong, B. Zwartsenberg, Y.K. Huang, Y. Pan, X. Zhang, J.X. Zhang, F.X. Zhang, L.H. Bao, O. Tegus, A. Varykhalov, A. de Visser, and M.S. Golden, Kondo hybridization and the origin of metallic states at the (001) surface of SmB6, Phys. Rev. X 3 (2013), p. 041024.
   Google Scholar
• G. Li, Z. Xiang, F. Yu, T. Asaba, B. Lawson, P. Cai, C. Tinsman, A. Berkley, S. Wolgast, Y.S. Eo, D.-J. Kim, C. Kurdak, J.W. Allen, K. Sun, X.H. Chen, Y.Y. Wang, and Z. Fisk, Two-dimensional Fermi surfaces in Kondo insulator SmB6, Science 346 (2014), pp. 1208–1212.10.1126/science.1250366
   PubMed Web of Science ®Google Scholar
• P. Hlawenka, K. Siemensmeyer, E. Weschke, A. Varykhalov, J. Sánchez-Barriga, N.Y. Shitsevalova, A.V. Dukhnenko, V.B. Filipov, S. Gabáni, K. Flachbart, O. Rader, and E.D.L. Rienks, Samarium hexaboride: A trivial surface conductor, arXiv: 1502.01542v1.
   Google Scholar
• B.S. Tan, Y.-T. Hsu, B. Zeng, M.C. Hatnean, N. Harrison, Z. Zhu, M. Hartstein, M. Kiourlappou, A. Srivastava, M.D. Johannes, T.P. Murphy, J.-H. Park, L. Balicas, G.G. Lonzarich, G. Balakrishnan, and S.E. Sebastian, Unconventional Fermi surface in an insulating state, Science 349 (2015), pp. 287–290.10.1126/science.aaa7974
   PubMed Web of Science ®Google Scholar
• J.D. Denlinger, S. Jang, G. Li, L. Chen, B.J. Lawson, T. Asaba, C. Tinsman, F. Yu, K. Sun, J.W. Allen, C. Kurdak, D.J. Kim, Y. Fisk, and L. Li, Consistency of photoemission and quantum oscillations for surface states of SmB6, arXiv: 1601.07408v1.
   Google Scholar
• B. Gorshunov, N. Sluchanko, A. Volkov, M. Dressel, G. Knebel, A. Loidl, and S. Kunii, Low-energy electrodynamics of SmB6, Phys. Rev. B 59 (1999), pp. 1808–1814.10.1103/PhysRevB.59.1808
   Web of Science ®Google Scholar
• K. Flachbart, K. Gloos, E. Konovalova, Y. Paderno, M. Reiffers, P. Samuely, and P. Švec, Energy gap of intermediate-valent SmB6 studied by point-contact spectroscopy, Phys. Rev. B 64 (2001), p. 085104.10.1103/PhysRevB.64.085104
   Google Scholar
• T. Caldwell, A.P. Reyes, W.G. Moulton, P.L. Kuhns, M.J.R. Hoch, P. Schlottmann, and Z. Fisk, High-field suppression of in-gap states in the Kondo insulator SmB6, Phys. Rev. B 75 (2007), p. 075106.10.1103/PhysRevB.75.075106
   Google Scholar
• F. Chen, C. Shang, Z. Jin, D. Zhao, Y.P. Wu, Z.J. Xiang, Z.C. Xia, A.F. Wang, X.G. Luo, T. Wu, and X.H. Chen, Magnetoresistance evidence of a surface state and a field-dependent insulating state in the Kondo insulator SmB6, Phys. Rev. B 91 (2015), p. 205133.10.1103/PhysRevB.91.205133
   Web of Science ®Google Scholar
• S. Wolgast, Y.S. Eo, C. Kurdak, D.J. Kim, and Z. Fisk, Conduction through subsurface cracks in bulk topological insulators, arXiv: 1506.08233v1.
   Google Scholar
• N. Wakeham, Y.Q. Wang, Z. Fisk, F. Ronning, and J.D. Thompson, Surface state reconstruction in ion-damaged SmB6, Phys. Rev. B 91 (2015), p. 085107.10.1103/PhysRevB.91.085107
   Google Scholar
• S. Gabáni, E. Bauer, S. Berger, K. Flachbart, Y. Paderno, C. Paul, V. Pavlík, and N. Shitsevalova, Pressure-induced Fermi-liquid behavior in the Kondo insulator SmB6: Possible transition through a quantum critical point, Phys. Rev. B 67 (2003), p. 172406.10.1103/PhysRevB.67.172406
   Web of Science ®Google Scholar
• D.J. Kim, J. Xia, and Z. Fisk, Topological surface state in the Kondo insulator samarium hexaboride, Nat. Mater. 13 (2014), pp. 466–470.
   PubMed Web of Science ®Google Scholar
• M.E. Valentine, S. Koohpayeh, W.A. Phelan, T.M. McQueen, N. Drichko, P.F.S. Rosa, and Z. Fisk, Breakdown of the Kondo insulating state in SmB6 by introducing Sm vacancies, arXiv: 1601.02694v1.
   Google Scholar
• J.C. Cooley, M.C. Aronson, A. Lacerda, Z. Fisk, P.C. Canfield, and R.P. Guertin, High magnetic fields and the correlation gap in SmB6, Phys. Rev. B 52 (1995), pp. 7322–7327.10.1103/PhysRevB.52.7322
   Web of Science ®Google Scholar
• V.V. Glushkov, S.V. Demishev, M.I. Ignatov, A.V. Kuznetsov, Y.B Paderno, N.Y Shitsevalova, D.N. Sluchanko, and N.E. Sluchanko, Magnetoresistance anomaly at the transition to coherent state in SmB6, Phys. B: Condens. Mat. 378–380 (2006), pp. 612–613.10.1016/j.physb.2006.01.166
   Web of Science ®Google Scholar
• K. Flachbart, M. Bartkowiak, S. Demishev, S. Gabani, V. Glushkov, T. Herrmannsdorfer, V. Moshchalkov, N. Shitsevalova, and N. Sluchanko, Pulsed magnetic field study of the spin gap in intermediate valence compound SmB6, Phys. B: Condens. Mat. 404 (2009), pp. 2985–2987.10.1016/j.physb.2009.07.017
   Web of Science ®Google Scholar
• F. Lu, J.Z. Zhao, H. Weng, Z. Fang, and X. Dai, Correlated topological insulators with mixed valence, Phys. Rev. Lett. 110 (2013), p. 096401.10.1103/PhysRevLett.110.096401
   PubMed Web of Science ®Google Scholar