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Neutron Scattering Group

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A. M. Milinda Abeykoon, Emil S. Bozin, Wei-Guo Yin, Genda Gu, John P. Hill, John M. Tranquada, and Simon J. L. Billinge.
Evidence for Short-Range-Ordered Charge Stripes Far above the Charge-Ordering Transition in La1.67Sr0.33NiO4.
Phys. Rev. Lett.
111, 096404 (2013).

S.-H. Baek, P. C. Hammel, M. Hücker, B. Büchner, U. Ammerahl, A. Revcolevschi, and B. J. Suh.
Structural transitions in a doped lanthanum cuprate.
Phys. Rev. B
87, 174505 (2013).

E. Blackburn, J. Chang, M. Hücker, A. T. Holmes, N. B. Christensen, Ruixing Liang, D. A. Bonn, W. N. Hardy, U. Rütt, O. Gutowski, M. v. Zimmermann, E. M. Forgan, and S. M. Hayden.
X-Ray Diffraction Observations of a Charge-Density-Wave Order in Superconducting Ortho-II YBa2Cu3O6.54 Single Crystals in Zero Magnetic Field.
Phys. Rev. Lett.
110, 137004 (2013).

Yue Cao, J. A. Waugh, X-W. Zhang, J-W. Luo, Q. Wang, T. J. Reber, S. K. Mo, Z. Xu, A. Yang, J. Schneeloch, G. D. Gu, M. Brahlek, N. Bansal, S. Oh, A. Zunger, and D. S. Dessau.
Mapping the orbital wavefunction of the surface states in three-dimensional topological insulators.
Nat. Phys.
9, 499–504 (2013).

Sungjae Cho, Brian Dellabetta, Alina Yang, John Schneeloch, Zhijun Xu, Tonica Valla, Genda Gu, Matthew J. Gilbert, and Nadya Mason.
Symmetry protected Josephson supercurrents in three-dimensional topological insulators.
Nat. Commun.
4, 1689 (2013).

M. P. M. Dean, G. Dellea, M. Minola, S. B. Wilkins, R. M. Konik, G. D. Gu, M. Le Tacon, N. B. Brookes, F. Yakhou-Harris, K. Kummer, J. P. Hill, L. Braicovich, and G. Ghiringhelli.
Magnetic excitations in stripe-ordered La1.875Ba0.125CuO4 studied using resonant inelastic x-ray scattering.
Phys. Rev. B
88, 020403 (2013).

M. P. M. Dean, A. J. A. James, R. S. Springell, X. Liu, C. Monney, K. J. Zhou, R. M. Konik, J. S. Wen, Z. J. Xu, G. D. Gu, V. N. Strocov, T. Schmitt, and J. P. Hill.
High-Energy Magnetic Excitations in the Cuprate Superconductor Bi2Sr2CaCu2O8+δ: Towards a Unified Description of Its Electronic and Magnetic Degrees of Freedom.
Phys. Rev. Lett.
110, 147001 (2013).

M. Enoki, M. Fujita, T. Nishizaki, S. Iikubo, D. K. Singh, S. Chang, J. M. Tranquada, and K. Yamada.
Spin-Stripe Density Varies Linearly With the Hole Content in Single-Layer Bi2+xSr2-xCuO6+y Cuprate Superconductors.
Phys. Rev. Lett.
110, 017004 (2013).

G. Fabbris, M. Hücker, G. D. Gu, J. M. Tranquada, and D. Haskel.
Local structure, stripe pinning, and superconductivity in La1.875Ba0.125CuO4 at high pressure.
Phys. Rev. B 88, 060507 (2013).

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 Pb1-xSnxSe.
Phys. Rev. B 88, 125414 (2013).

Alex Hayat, Parisa Zareapour, Shu Yang F. Zhao, Achint Jain, Igor G. Savelyev, Marina Blumin, Zhijun Xu, Alina Yang, G. D. Gu, Harry E. Ruda, Shuang Jia, R. J. Cava, Aephraim M. Steinberg, and Kenneth S. Burch.
Hybrid High-Temperature-Superconductor–Semiconductor Tunnel Diode.
Phys. Rev. X
2, 041019 (2012).

Junfeng He, Wentao Zhang, Jin Mo Bok, Daixiang Mou, Lin Zhao, Yingying Peng, Shaolong He, Guodong Liu, Xiaoli Dong, Jun Zhang, J. S. Wen, Z. J. Xu, G. D. Gu, Xiaoyang Wang, Qinjun Peng, Zhimin Wang, Shenjin Zhang, Feng Yang, Chuangtian Chen, Zuyan Xu, H.-Y. Choi, C. M. Varma, and X. J. Zhou.
Coexistence of Two Sharp-Mode Couplings and their Unusual Momentum Dependence in the Superconducting State of Bi2Sr2CaCu2O8+δ Revealed by Laser-Based Angle-Resolved Photoemission.
Phys. Rev. Lett.
111, 107005 (2013).

C. C. Homes, Z. J. Xu, J. S. Wen, and G. D. Gu.
Effective medium approximation and the complex optical properties of the inhomogeneous superconductor K0.8Fe2-ySe2.
Phys. Rev. B
86, 144530 (2012).

M. Hücker, M. v. Zimmermann, Z. J. Xu, J. S. Wen, G. D. Gu, and J. M. Tranquada.
Enhanced charge stripe order of superconducting La2-xBaxCuO4 in a magnetic field.
Phys. Rev. B
87, 014501 (2013).

M. Hücker.
Structural aspects of materials with static stripe order.
Physica C
481, 3–14 (2012).

Qing Jie, Su Jung Han, Ivo Dimitrov, J.M. Tranquada, and Qiang Li.
Transport properties of stripe-ordered high Tc cuprates.
Physica C
481, 46–54 (2012).

Hovnatan Karapetyan, M. Hücker, G. D. Gu, J. M. Tranquada, M. M. Fejer, Jing Xia, and A. Kapitulnik.
Magneto-Optical Measurements of a Cascade of Transitions in Superconducting La1.875Ba0.125CuO4 Single Crystals.
Phys. Rev. Lett.
109, 147001 (2012).

C. W. Luo, H.-J. Chen, H. J. Wang, S. A. Ku, K. H. Wu, T. M. Uen, J. Y. Juang, J.-Y. Lin, B. L. Young, T. Kobayashi, R. Sankar, F. C. Chou, H. Berger, and G. D. Gu.
Ultrafast dynamics in topological insulators.
SPIE Proceedings
8623, 86230D (2013).

A. Lupascu, Renfei Feng, L. J. Sandilands, Zixin Nie, V. Baydina, Genda Gu, Shimpei Ono, Yoichi Ando, D. C. Kwok, N. Lee, S.-W. Cheong, K. S. Burch, and Young-June Kim.
Structural study of Bi2Sr2CaCu2O8+δ exfoliated nanocrystals.
Appl. Phys. Lett.
101, 223106 (2012).

M. Matsuda, G. E. Granroth, M. Fujita, K. Yamada, and J. M. Tranquada.
Energy-dependent crossover from anisotropic to isotropic magnetic dispersion in lightly doped La1.96Sr0.04CuO4.
Phys. Rev. B
87, 054508 (2013).

L. K. Narangammana, X. Liu, Y. F. Nie, F. J. Rueckert, J. I. Budnick, W. A. Hines, G. Gu, and B. O. Wells.
Low temperature crystal structure and large lattice discontinuity at Tc in superconducting FeTeOx films.
Appl. Phys. Lett.
103, 102604 (2013).

Z.-H. Pan, E. Vescovo, A. V. Fedorov, G. D. Gu, and T. Valla.
Persistent coherence and spin polarization of topological surface states on topological insulators.
Phys. Rev. B
88, 041101 (2013).

S. Parham, T. J. Reber, Y. Cao, J. A. Waugh, Z. Xu, J. Schneeloch, R. D. Zhong, G. Gu, G. Arnold, and D. S. Dessau.
Pair breaking caused by magnetic impurities in the high-temperature superconductor Bi2.1Sr1.9Ca(Cu1-xFex)2Oy.
Phys. Rev. B
87, 104501 (2013).

T. J. Reber, N. C. Plumb, Y. Cao, Z. Sun, Q. Wang, K. McElroy, H. Iwasawa, M. Arita, J. S. Wen, Z. J. Xu, G. Gu, Y. Yoshida, H. Eisaki, Y. Aiura, and D. S. Dessau.
Prepairing and the ``filling'' gap in the cuprates from the tomographic density of states.
Phys. Rev. B
87, 060506 (2013).

A. Sacuto, S. Benhabib, Y. Gallais, S. Blanc, M. Cazayous, M.-A. Méasson, J. S. Wen, Z. J. Xu, and G. D. Gu.
Pseudogap in cuprates by electronic raman scattering.
J. Phys. Conf. Ser.
449, 012011 (2013).

A. Sacuto, Y. Gallais, M. Cazayous, M.-A. Méasson, G. D. Gu, and D. Colson.
New insights into the phase diagram of the copper oxide superconductors from electronic Raman scattering.
Rep. Prog. Phys.
76, 022502 (2013).

S. Sakai, S. Blanc, M. Civelli, Y. Gallais, M. Cazayous, M.-A. Méasson, J. S. Wen, Z. J. Xu, G. D. Gu, G. Sangiovanni, Y. Motome, K. Held, A. Sacuto, A. Georges, and M. Imada.
Raman-Scattering Measurements and Theory of the Energy-Momentum Spectrum for Underdoped Bi2Sr2CaCuO8+δ Superconductors: Evidence of an s-Wave Structure for the Pseudogap.
Phys. Rev. Lett.
111, 107001 (2013).

G. Simutis, S. Gvasaliya, M. Månsson, A. L. Chernyshev, A. Mohan, S. Singh, C. Hess, A. T. Savici, A. I. Kolesnikov, A. Piovano, T. Perring, I. Zaliznyak, B. Büchner, and A. Zheludev.
Spin Pseudogap in Ni-Doped SrCuO2.
Phys. Rev. Lett.
111, 067204 (2013).

Z. Stegen, Su Jung Han, Jie Wu, A. K. Pramanik, M. Hücker, Genda Gu, Qiang Li, J. H. Park, G. S. Boebinger, and J. M. Tranquada.
Evolution of superconducting correlations within magnetic-field-decoupled La2-xBaxCuO4 (x=0.095).
Phys. Rev. B
87, 064509 (2013).

V. Thampy, S. Blanco-Canosa, M. García-Fernández, M. P. M. Dean, G. D. Gu, M. Först, T. Loew, B. Keimer, M. Le Tacon, S. B. Wilkins, and J. P. Hill.
Comparison of charge modulations in La1.875Ba0.125CuO4 and YBa2Cu3O6.6.
Phys. Rev. B
88, 024505 (2013).

John M. Tranquada.
Spins, stripes, and superconductivity in hole-doped cuprates.
AIP Conf. Proc.
1550, 114–187 (2013).

Fan Wang, Jungho Kim, G. D. Gu, Yongjae Lee, Saebyok Bae, and Young-June Kim.
Oxygen stoichiometry and magnetic properties of LuFe2O4+δ.
J. Appl. Phys.
113, 063909 (2013).

L. Andrew Wray, J. Li, Z. Q. Qiu, Jinsheng Wen, Zhijun Xu, Genda Gu, Shih-Wen Huang, Elke Arenholz, Wanli Yang, Zahid Hussain, and Yi-De Chuang.
Measurement of the spectral line shapes for orbital excitations in the Mott insulator CoO using high-resolution resonant inelastic x-ray scattering.
Phys. Rev. B
88, 035105 (2013).

Zhijun Xu, Jinsheng Wen, Tom Berlijn, Peter M. Gehring, Christopher Stock, M. B. Stone, Wei Ku, Genda Gu, Stephen M. Shapiro, R. J. Birgeneau, and Guangyong Xu.
Thermal evolution of the full three-dimensional magnetic excitations in the multiferroic BiFeO3.
Phys. Rev. B
86, 174419 (2012).

Zhijun Xu, Jinsheng Wen, E. Mamontov, C. Stock, P. M. Gehring, and Guangyong Xu.
Freezing of the local dynamics in the relaxor ferroelectric [Pb(Zn1/3Nb2/3)O3]0.955[PbTiO3]0.045.
Phys. Rev. B
86, 144106 (2012).

Zhijun Xu, Jinsheng Wen, Yang Zhao, Masaaki Matsuda, Wei Ku, Xuerong Liu, Genda Gu, D.-H. Lee, R. J. Birgeneau, J. M. Tranquada, and Guangyong Xu.
Temperature-Dependent Transformation of the Magnetic Excitation Spectrum on Approaching Superconductivity in Fe1+y-x(Ni/Cu)xTe0.5Se0.5.
Phys. Rev. Lett.
109, 227002 (2012).

Guangyong Xu, Zhijun Xu, and J. M. Tranquada.
Absolute cross-section normalization of magnetic neutron scattering data.
Rev. Sci. Instrum.
84, 083906 (2013).

Jian-Bo Zhang, Ling-Yun Tang, Jiang Zhang, Zhen-Xing Qin, Xiao-Jing Zeng, Jing Liu, Jin-Sheng Wen, Zhi-Jun Xu, Genda Gu, and Xiao-Jia Chen.
Pressure-induced isostructural phase transition in Bi2Sr2CaCu2O8+δ.
Chinese Phys. C
37, 088003 (2013).

Jinggeng Zhao, Haozhe Liu, Lars Ehm, Dawei Dong, Zhiqiang Chen, and Genda Gu.
High-pressure phase transitions, amorphization, and crystallization behaviors in Bi2Se3.
J. Phys. Condens. Matter
25, 125602 (2013).

R. D. Zhong, J. A. Schneeloch, X. Y. Shi, Z. J. Xu, C. Zhang, J. M. Tranquada, Q. Li, and G. D. Gu.
Optimizing the superconducting transition temperature and upper critical field of Sn1-xInxTe. Phys. Rev. B 88, 020505 (2013).



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