### IRG A Publications

#### IRGA: Electronic Materials with Triangular Lattice and Dirac Excitations

__IRGA: 2008__

1. K. K. Gomes, A. N. Pasupathy, A. Pushp, C. Parker, S. Ono, Y. Ando, G. Gu, and **A. Yazdani**, “Mapping of the formation of the pairing gap in Bi_{2}Sr_{2}CaCu_{2}O_{8+δ},” *J. Phys. and Chem. of Sol.*,* ***69, **3034 (2008).

__IRGA: 2009__

1. **B.A. Bernevig** and **F.D.M.** **Haldane**, “Clustering Properties and Model Wave Functions for Non-Abelian Fractional Quantum Hall Quasielectrons,” *Phys. Rev. Lett.*,** 103**, 019902 (2009).

2. N. Regnault, **B.A. Bernevig**, and **F.D.M. Haldane**, “Topological Entanglement and Clustering of Jain Hierarchy States,” *Phys. Rev. Lett**.*, **103**, 016801 (2009).

3. Y. Xia, L. Wray, D. Qian, D. Hsieh, H. Lin, A. Bansil, D. Grauer, Y.S. Hor, **R. J. Cava, M. Z. Hasan**, “Observation of a large-gap topological-insulator class with a single surface Dirac cone,” *Nature Physics*, **5**, 398 (2009).

4. D. Hsieh, Y. Xia, L. Wray, D. Qian, A. Pal, J.H. Dil, J. Osterwalder, F. Meier, G. Bihlmayer, C.L. Kane, Y.S. Hor, **R.J. Cava**, **M.Z. Hasan**, “Observation of Unconventional Quantum Spin Textures in Topological Insulators,” *Science*,* ***323, **919 (2009).

5. J.G. Checkelsky, Y.S. Hor, M.-H. Liu, D.-X. Qu, **R.J.** **Cava** and **N.P.** **Ong**, “Quantum Interference in Macroscopic Crystals of Nonmetallic Bi_{2}Se_{3},” *Phys. Rev. Lett.*, **103**, 246601 (2009).

6. E. Prodan and **F.D.M.** **Haldane**, “Mapping the braiding properties of the Moore-Read state,” *Phys. Rev. B*, **80**, 115121 (2009).

7. P. Roushan, J. Seo, C. V. Parker, Y.S. Hor, D. Hsieh, D. Qian, A. Richardella, **M. Z.** **Hasan**, **R.J.** **Cava**, **A.** **Yazdani**, “Topological surface states protected from backscattering by chiral spin texture,” *Nature*, **460**, 1106 (2009).

8. V. Oganesyan, A. Pal and **D.A.** **Huse**, “Energy transport in disordered classical spin chains,” *Phys. Rev. B*, **80**, 115104 (2009).

9. D. Hsieh, Y. Xia, D. Qian, L. Wray, J. H. Dil, F. Mejer, J. Osterwalder, L. Patthey, J. G. Checkelsky, **N. P.** **Ong**, A. V. Fedorov, H. Lin, A. Bansil, D. Grauer, Y. S. Hor, **R. J.** **Cava**, and **M. Z.** **Hasan**, “A tunable topological insulator in the spin helical Dirac transport regime,” *Nature*,* ***460**, 1101 (2009).

10. J.G. Checkelsky, L. Li, and **N.P. Ong**, “Divergence of the resistance at the Dirac point in graphene: Evidence for a transition in a high magnetic field,” *Phys. Rev. B*,* ***79, **115434 (2009).

11. T.M. McQueen, Q. Huang, V. Ksenofontov, C. Felser, Q. Xu, H.W. Zandbergen, Y.S. Hor, J. Allred, A.J. Williams, D. Qu, J. Checkelsky, **N.P. Ong**, and **R.J. Cava**, “Extreme sensitivity of superconductivity to stoichiometry in Fe_{1+δ} Se,” *Phys. Rev. B*,* ***79**, 014522 (2009).

12. J.G. Checkelsky and **N.P.** **Ong**, “Thermopower and Nernst Effect in graphene in a magnetic field,” *Phys. Rev.* *B*, **80**, 081413(R) (2009).

13. H. Wang, **D.N. Sheng**, and **F.D.M. Haldane**, “Particle-hole symmetry breaking and the nu=5/2 fractional quantum Hall effect,” *Phys. Rev. B*, **80**, 241311 (2009).

14. A. Pushp, C. Parker, A. Pasupathy, K. Gomes, J. Wen, Z. Xu, G. Gu, S. Ono, and **A. Yazdani**, “Extending Universal Nodal Excitations Optimizes Superconductivity in Bi_{2}Sr_{2}CaCu_{2}O_{8+δ},” *Science*,* ***324**, 1689 (2009).

15. Y.S. Hor, A. Richardella, P. Roushan, Y. Xia, J.G. Checkelsky, **A. Yazdani**, **Z. Hasan**, **N.P. Ong** ,** **and **R. J. Cava**, “*p*-type Bi_{2}Se_{3} for topological insulator and low temperature thermoelectric applications,” *Phys. Rev. B*,* ***79**, 195208 (2009).

16. **A. Yazdani** , “Visualizing pair formation on the atomic scale and the search for the mechanism of superconductivity in high-Tc cuprates,” *J. Phys. Cond. Mat.*,* ***21, **164214 (2009).

__IRGA: 2010__

1. L.A. Wray, S.Y. Xu, Y.Q. Xia, Y.S. Hor, D. Qian, A.V. Fedorov, H. Lin, A. Bansil **R.J. Cava** and **M.Z. Hasan**, “Observation of topological order in a superconducting doped topological insulator,” *Nature Physics* , **6, ** 855 (2010).

2. D.X. Qu, Y.S. Hor, J. Xiong, **R.J. Cava**, and **N.P. Ong**, “Quantum Oscillations and Hall Anomaly of Surface States in the Topological Insulator Bi_{2}Te_{3},” *Science* , **329, ** 821 (2010).

3. J. Seo, P. Roushan, H. Beidenkopf, Y. S. Hor, **R. J. Cava**, and **A. Yazdani**, “Transmission of topological surface states through surface barriers,” *Nature* ,* * **466 , **343 (2010).

4. Y.S. Hor, P. Roushan, H. Beidenkopf , J. Seo, D.-X. Qu, J.G. Checkelsky, L.A. Wray, D. Hsieh, Y. Xia, S.-Y. Xu, D. Qian, **M.Z.** **Hasan**, **N.P.** **Ong**, **A.** **Yazdani**, and **R.J.** **Cava**, “The development of ferromagnetism in the doped topological insulator Bi_{2-x}Mn_{x}Te_{3},” *Phys Rev.* *B* , **81**, 195203 (2010).

5. Y.S. Hor, D. Qu, **N.P. Ong**, and **R.J. Cava**, “Low temperature magnetothermoelectric effect and magnetoresistance in Te vapor annealed Bi_{2}Te_{3},” *J. Phys Cond. Mat.* ,* ***22** , 375801 (2010).

6. L. Zhu, R. Ma, L. Sheng, M. Liu, and **D.N. Sheng**, “Universal thermoelectric effect of Dirac fermions in graphene,” *Phys. Rev. Lett.* , **104**, 076804 (2010).

7. C.V. Parker, P. Aynajian, E.H. da Silva Neto, A. Pushp, S. Ono, J. Wen, Z. Xu, G. Gu, and **A. Yazdani**, “Fluctuating stripes at the onset of the pseudogap in the high-T_{c} superconductor Bi_{2}Sr_{2}CaCu_{2}O_{8+x},” * **Nature* ,* ***468, ** 677 (2010).

8. Y. S. Hor, A. J. Williams, J. G. Checkelsky, P. Roushan, J. Seo, Q. Xu, H. W. Zandbergen, **A.** **Yazdani**, **N.P.** **Ong** and **R.J.** **Cava**, “Superconductivity in Cu_{x}Bi_{2}Se_{3} and its Implications for Pairing in the Undoped Topological Insulator,” *Phys. Rev. Lett.* , **104**, 057001 (2010).

9. P. Aynajian, E. da Silva Neto, C.V. Parker, Y. Huang, A. Pasupathy, J. Mydosh, and **A. Yazdani**, “Visualizing the formation of the Kondo lattice and the hidden order in URu_{2}Si_{2},” *PNAS* , **107**, 10383 (2010).

__IRGA: 2011__

1. A. Chandran, M. Hermanns, N. Regnault, and **B.A.** **Bernevig**, “Bulk-edge correspondence in entanglement spectra,” *Phys. Rev*. B, **84**, 205136 (2011).

2. A. Sterdyniak, N. Regnault, and **B.A. Bernevig**, “Extracting Excitations from Model State Entanglement,” *Phys. Rev. Lett.* , **106, **100405 (2011).

3. N. Regnault and B.A. **Bernevig**, “Fractional Chern Insulator,” *Phys. Rev*. X,** 1,** 021014 (2011).

4. R. Thomale, C. Platt, W. Hanke, and **B.A. Bernevig**, “Mechanism for Explaining Differences in the Order Parameters of FeAs-Based and FeP-Based Pnictide Superconductors,” *Phys. Rev. Lett.* , **106,** 187003 (2011).

5. Z. Papić, **B.A. Bernevig**, and N. Regnault, “Topological Entanglement in Abelian and Non-Abelian Excitation Eigenstates,” *Phys. Rev. Lett.* , **106,** 056801 (2011).

6. A. Alexandradinata, T.L. Hughes, and **B.A.** **Bernevig**, “Trace index and spectral flow in the entanglement spectrum of topological insulators,” *Phys. Rev. B*, **84**, 195103 (2011).

7. L.A. Wray, S.Y. Xu, Y.Q. Xia, D. Hsieh, A.V. Fedorov, Y.S. Hor, **R.J.** **Cava**, A. Bansil, H. Lin, and **M.Z.** **Hasan**, “A topological insulator surface under strong Coulomb, magnetic and disorder perturbations,” *Nature Physics*, **7**, 32 (2011).

8. J.G. Checkelsky, Y.S. Hor, **R.J. Cava**, and **N.P. Ong**, “Bulk Band Gap and Surface State Conduction Observed in Voltage-Tuned Crystals of the Topological Insulator Bi_{2}Se_{3},” *Phys. Rev. Lett.*,* ***106,** 196801 (2011).

9. I. Vobornik, U. Manju, J. Fujii, F. Borgatti, P. Torelli, D. Krizmancic, Y.S. Hor, **R.J.** **Cava**, and G. Panaccione, “Magnetic Proximity Effect as a Pathway to Spintronic Applications of Topological Insulators,” *Nano Letters* , **11,** 4079 (2011).

10. H. Beidenkopf, P. Roushan, J. Seo, L. Gorman, I. Drozdov, Y.S. Hor, **R.J.** **Cava**, and **A.** **Yazdani**, “Spatial Fluctuations of Helical Dirac Fermions on the Surface of Topological Insulators,” *Nature Physics*, **7**, 939 (2011).

11. L.A. Wray, S.Y. Xu, Y.Q. Xia, D. Qian, A.V. Federov, H. Lin, A. Bansil, L. Fu, Y.S. Hor, **R.J.** **Cava** and **M.Z.** **Hasan**, “Spin-orbital ground states of superconducting doped topological insulators: A Majorana platform,” *Phys. Rev. B*, **83,** 224516 (2011).

12. S. Jia, Huiwen Ji, E. Climent-Pascual, M.K. Fuccillo, M.E. Charles, J. Xiong, **N.P.** **Ong** and **R.J.** **Cava**, “Low-carrier-concentration crystals of the topological insulator Bi_{2}Te_{2}Se,” *Phys. Rev. B*, **84,** 235206 (2011).

13. Y.S. Hor, J.G. Checkelsky, D. Qu, **N.P.** **Ong** and **R.J.** **Cava**, “Superconductivity and non-metallicity induced by doping the topological insulators Bi_{2}Se_{3} and Bi_{2}Te_{3},” *J. Phys and Chem. Sol.* , **72,** 572 (2011).

14. L. Li, N. Alidoust, J. M. Tranquada, G. D. Gu, and **N. P.** **Ong**, “Unusual Nernst effect suggesting time-reversal violation in the striped cuprate superconductor La_{2-x}Ba_{x}CuO_{4},” *Phys. Rev. Lett*. , **107,** 277001 (2011).

15. J. Zhao, **D.N.** **Sheng,** and **F.D.M.** **Haldane **“Fractional quantum Hall states at 1/3 and 5/2 filling: Density matrix renormalization group calculations,” *Phys. Rev. B*, **83**, 195135 (2011).

16. R. Ma, L. Zhu, L. Sheng, M. Liu, and **D.N.** **Sheng**, “Thermolectric and Thermal transport in bilayer graphene system,” *Phys. Rev. B* , **84**, 075420 (2011).

__IRGA: 2012__

1.** **J. Xiong, Y. Luo, Y.-H. Khoo, S. Jia, **R. J. Cava**, and **N. P. Ong**, “High-field Shubnikov–de Haas oscillations in the topological insulator Bi_{2}Te_{2}Se,” *Phys. Rev. B*, **86**, 045314 (2012).

2.** **S.Y. Xu, C. Liu, N. Alidoust, M. Neupane, D. Qian, I. Belopolski, JD. Denlinger, Y.J. Wang, H. Lin, L.A. Wray, G. Landolt, B. Slomski, J.H. Dil, A. Marcinkova, E. Morosan, Q. Gibson, R. Sankar, F.C. Chou**, R.J. Cava**, A. Bansil, and **M.Z. Hasan**, “Observation of a topological crystalline insulator phase and topological phase transition in Pb_{1-x}Sn_{x}Te,” *Nature Communications*, **3** 1192 (2012).

3. J. Xiong, A. C. Petersen, D. Qu, **R. J. Cava**, and **N. P. Ong**, “Quantum oscillations in a topological insulator Bi_{2}Te_{2}Se with large bulk resistivity (6 W cm),” *Physica* *E*, **44**, 917-920 (2012).

4. T.Valla, H.W. Ji, L.M. Schoop, A.P. Weber, Z.H. Pan, J.T. Sadowski, E. Vescovo, A.V. Fedorov, A.N. Caruso, Q.D. Gibson, L. Muechler, C. Felser, and **R.J. Cava**, “Topological semimetal in a Bi-Bi_{2}Se_{3} infinitely adaptive superlattice phase,” *Phys. Rev. B*, **86 **241101 (2012).

5. H. Ji, J.M. Allred, Ni Ni, J. Tao, M. Neupane, A. Wray, S. Xu, **M.Z.** **Hasan**, and **R.J. Cava**, “Bulk intergrowth of a topological insulator with a room-temperature ferromagnet,” *Phys**. Rev*. *B*, **85,** 165313 (2012).

6. S. Jia, H. Beidenkopf, I. Drozdov, M.K. Fuccillo, J. Seo, J. Xiong, **N. P. Ong**, **A. Yazdani**, and **R. J. Cava**, “Defects and high bulk resistivities in the Bi-rich tetradymite topological insulator Bi_{2+x}Te_{2-x}Se,” *Phys. Rev. B*, **86**, 165119 (2012).

7. J.G. Checkelsky, R. Thomale, L. Li, G.F. Chen, J.L. Luo, N.L. Wang, and **N.P. Ong**, “Thermal Hall conductivity as a probe of gap structure in multiband superconductors: The case of Ba_{1−x}K_{x}Fe_{2}As_{2},” *Phys. Rev. B*, **86**, 180502 (2012).

8. L.D. Alegria and **J.R. Petta**, “Controlled MOCVD growth of Bi_{2}Se_{3} topological insulator nanoribbons,” *Nanotechnology*, **23**, 435601 (2012).

9. L.D. Alegria, M.D. Schroer, A. Chatterjee, G.R. Poirier, M. Pretko, S.K. Patel, and **J.R. Petta**, “Structural and Electrical Characterization of Bi_{2}Se_{3} Nanostructures Grown by Metal−Organic Chemical Vapor Deposition,” *Nano Letters*, **12**, 4711 (2012).

10. R. Ma, L. Sheng, M. Liu, and **D.N. Sheng**, “Stacking-order dependence in thermoelectric transport of biased trilayer graphene,” *Phys. Rev. B*, **86**, 115414 (2012).

11. E.H. da Silva Neto, C.V. Parker, P. Aynajian, A. Pushp, J. Wen, Z. Xu, G. Gu, and **A. Yazdani**, “Scattering from incipient stripe order in the high-temperature superconductor Bi_{2}Sr_{2}CaCu_{2}O_{8+d} , ” *Phys. Rev. B* , **85**, 104521 (2012).

12. P. Aynajian, E.H. da Silva Neto, A. Gyenis, R.E. Baumbach, J.D. Thompson, Z. Fisk, E.D. Bauer, and **A. Yazdani**, “Visualizing heavy fermions emerging in a quantum critical Kondo lattice,” *Nature* ,** 486, ** 201* *(2012).

__IRGA: 2013__

1. S. Nadj-Perge, I.K. Drozdov, **B.A. Bernevig**, and **A. Yazdani**, “Proposal for realizing Majorana fermions in chains of magnetic atoms on a superconductor,” *Phys. Rev. B*, **88, **020407** **(2013).

2. **R.J. Cava**, H.W. Ji, M.K. Fuccillo, Q.D. Gibson, and Y.S. Hor, “Crystal structure and chemistry of topological insulators,” *J. Mat. Chem*.* C*, **1,** 3176 (2013).

3. T. Liang, Q. Gibson, J. Xiong, M. Hirschberger, S.P. Koduvayur, **R.J. Cava**, and **N.P. Ong**, “Evidence for massive bulk Dirac fermions in Pb1-xSnxSe from Nernst and thermopower experiments,” *Nat. Commun.*, **4** 2696 (2013).

4. M.N. Ali, H.W. Ji, D. Hirai, M.K. Fuccillo, and **R.J. Cava**, “Synthesis and characterization of two crystallographic forms of Ag_{0.79}VS_{2},” *J. Sol. St. Chem.*,* ***202,** 77 (2013).

5. J. Xiong, Y. Khoo, S. Jia, **R.J. Cava**, and **N.P. Ong**, “Tuning the quantum oscillations of surface Dirac electrons in the topological insulator Bi_{2}Te_{2}Se by liquid gating,” *Phys. Rev. B*, **88, **035128** **(2013).

6. Z.Y. Zhu, **D.A. Huse**, and S.R. White, “Weak Plaquette Valence Bond Order in the S = 1/2 Honeycomb J(1)-J(2) Heisenberg Model,” *Phys. Rev. Lett.*, **110,** 127205 (2013).

7. H.W. Ji, R. A. Stokes, L.D. Alegria, E.C. Blomberg, M.A. Tantar, A. Reijnders, L.M. Schoop, T. Liang, R. Prozorov, K.S. Burch, **N.P. Ong**,** J.R. Petta**, and **R.J. Cava**, “A ferromagnetic insulating substrate for the epitaxial growth of topological insulators,” *J. Appl. Phys.*, **114 **114907** **(2013).

8. H.W. Ji, A. Reijnders, T. Liang, L.M. Schoop, K.S. Burch, **N.P. Ong**, and **R.J. Cava**, “Crystal structure and elementary electronic properties of Bi-stabilized alpha-In_{2}Se_{3},” *Mat. Res. Bull.*, **48** 2517 (2013).

9. L. Li, Y. Wang, and **N.P. Ong**, “Reply to “Comment on ‘Diamagnetism and Cooper pairing above *T*_{c} in cuprates’”,” *Phys. Rev. B*, **87**, 056502 (2013).

10. W. Zhu, **D.N. Sheng**, and **F.D.M. Haldane**, “Minimal entangled states and modular matrix for fractional quantum Hall effect in topological flat bands,” *Phys. Rev. B*, **88, **035122** **(2013).

11. L. Sheng, H.C. Li, Y.Y. Yang, **D.N. Sheng**, and D.Y. Xing, “Spin Chern numbers and time-reversal-symmetry-broken quantum spin Hall effect,” *Chinese Physics B*, **22, **067201** **(2013).

12. H.C. Li, L Sheng, R. Shen, L.B. Shao, BG Wang, **D.N. Sheng**, and D.Y. Xing, “Stabilization of the Quantum Spin Hall Effect by Designed Removal of Time-Reversal Symmetry of Edge States,” *Phys. Rev. Lett.*, **110**, 266802 (2013).

13. R. Ma, L. Sheng, M. Liu, and **D.N. Sheng**, “Thermoeletric transport in thin films of three-dimensional topological insulators,” *Phys. Rev. B*, **87**, 115304 (2013).

14. Y.Y. Yang, H. C. Li, L. Sheng, R. Shen, **D.N. Sheng**, and D.Y. Xing, “Topological phase transitions with and without energy gap closing,” *New J. of Phys.*, **15**, 083402 (2013).

15. E. H. da Silva Neto, P. Aynajian, R. E. Baumbach, E. D. Bauer, J. Mydosh, S. Ono, and **A. Yazdani**, “Detection of electronic nematicity using scanning tunneling microscope,” *Phys. Rev. B* , **87**, 161117 (2013).

16. A. Gyenis, I. K. Drozdov, S. Nadj-Perge, O.B. Jeong, J. Seo, I. Pletikosic, T. Valla, G.D. Gu, and **A. Yazdani**, “Quasiparticle interference on the surface of the topological crystalline insulator Pb_{1-x}Sn_{x}Se,” *Phys. Rev.* *B*, **88, **125414** **(2013).

17. Q.D. Gibson, L.M. Schoop, A.P. Weber, H.W. Ji, S. Nadj-Perge, I.K. Drozdov, H. Beidenkopf, J.T. Sadowski, A. Federov, **A. Yazdani**, T. Valla, and **R.J. Cava**, “Termination-dependent topological surface states of the natural superlattice phase Bi_{4}Se_{3},” *Phys. Rev.* *B*, **88, **081108** **(2013).

18. B.B. Zhou, S. Misra, E.H. da Silva Neto , P. Agnajian, R.E. Baumbach, J.D. Thompson, E.D. Bauer, and **A. Yazdani**, “Visualizing nodal heavy fermion superconductivity in CeCoIn_{5},” *Nature Physics*, **9,** 474 (2013).