For citation statistics and additional information, please see:

ResearchGate

ORCID

arXiv

Preprints

# equal contribution; * corresponding author

8. Discovery of Giant Unit-Cell Super-Structure in the Infinite-Layer Nickelate PrNiO2

J. Oppliger, J. Küspert, A.-C. Dippel, M. v. Zimmermann, O. Gutowski, X. Ren, X. J. Zhou, Z. Zhu, R. Frison, Q. Wang, L. Martinelli, I. Biało, J. Chang

arXiv:2404.17795 arXiv

7. Engineering Phase Competition Between Stripe Order and Superconductivity in La1.88Sr0.12CuO4

J. Küspert*, I. Biało, R. Frison, A. Morawietz, L. Martinelli, J. Choi, D. Bucher, O. Ivashko, M. v. Zimmermann, N. B. Christensen, D. G. Mazzone, G. Simutis, A. A. Turrini, L. Thomarat, D. W. Tam, M. Janoschek, T. Kurosawa, N. Momono, M. Oda, Qisi Wang*, J. Chang

arXiv:2312.03650 arXiv

6. Resolving the Orbital Character of Low-energy Excitations in Mott Insulator with Intermediate Spin-orbit Coupling

K. von Arx, P. Rothenbühler, Qisi Wang, J. Choi, M. Garcia-Fernandez, S. Agrestini, Ke-Jin Zhou, A. Vecchione, R. Fittipaldi, Y. Sassa, M. Cuoco, F. Forte, J. Chang

arXiv:2312.04406 arXiv

5. Spin fluctuations sufficient to mediate superconductivity in nickelates

Paul Worm, Qisi Wang, Motoharu Kitatani, Izabela Biało, Qiang Gao, Xiaolin Ren, Jaewon Choi, Diana Csontosová, Ke-Jin Zhou, Xingjiang Zhou, Zhihai Zhu, Liang Si, Johan Chang, Jan M. Tomczak, Karsten Held

arXiv:2312.08260 arXiv

4. Quantum Fluctuations in a Weakly Correlated Mott Insulator

Qisi Wang*, S. Mustafi, E. Fogh, N. Astrakhantsev, Z. He, I. Biało, M. Horio, O. Ivashko, N. E. Shaik, K. von Arx, Y. Sassa, E. Paris, M. H. Fischer, Y. Tseng, N. B. Christensen, A. Galdi, D. G. Schlom, K. M. Shen, T. Schmitt, H. M. Rønnow, J. Chang*

arXiv:2311.16553 arXiv

3. Strain-Tuned Magnetic Frustration in a Square Lattice J1-J2 Material

I. Biało^#*, L. Martinelli^#, G. De Luca, P. Worm, A. Drewanowski, J. Choi, M. Garcia-Fernandez, S. Agrestini, K.-J. Zhou, L. Guo, C. B. Eom, J. M. Tomczak, K. Held, M. Gibert, Qisi Wang*, J. Chang

arXiv:2306.05828 arXiv

2. Two Distinct Charge Orders in Infinite-layer PrNiO2+δ revealed by Resonant X-ray Diffraction

Xiaolin Ren, Ronny Sutarto, Qiang Gao, Qisi Wang, Jiarui Li, Yao Wang, Tao Xiang, Jiangping Hu, Fu-Chun Zhang, J. Chang, Riccardo Comin, X. J. Zhou, Zhihai Zhu

arXiv:2303.02865 arXiv

1. Magnetic Excitations in Strained Infinite-layer Nickelate PrNiO2

Qiang Gao^#, Shiyu Fan^#, Qisi Wang^#, Jiarui Li, Xiaolin Ren, Izabela Biało, Annabella Drewanowski, Pascal Rothenbühler, Jaewon Choi, Yao Wang, Tao Xiang, Jiangping Hu, Ke-Jin Zhou, Valentina Bisogni, Riccardo Comin, J. Chang, Jonathan Pelliciari, X. J. Zhou, Zhihai Zhu

arXiv:2208.05614 arXiv

Publications

# equal contribution; * corresponding author

53. Weak-signal extraction enabled by deep-neural-network denoising of diffraction data

Jens Oppliger, M. Michael Denner, Julia Küspert, Ruggero Frison, Qisi Wang, Alexander Morawietz, Oleh Ivashko, Ann-Christin Dippel, Martin von Zimmermann, Izabela Biało, Leonardo Martinelli, Benoît Fauqué, Jaewon Choi, Mirian Garcia-Fernandez, Ke-Jin Zhou, Niels Bech Christensen, Tohru Kurosawa, Naoki Momono, Migaku Oda, Fabian D. Natterer, Mark H. Fischer, Titus Neupert, Johan Chang

Nature Machine Intelligence 6, 180 (2024) arXiv DOI

52. Two-dimensional phase-fluctuating superconductivity in bulk crystalline NdO0.5F0.5BiS2

C. S. Chen, J. Küspert, I. Biało, J. Mueller, K. W. Chen, M. Y. Zou, D. G. Mazzone, D. Bucher, K. Tanaka, O. Ivashko, M. v. Zimmermann, Qisi Wang, Lei Shu, J. Chang

Physical Review B 109, 054516 (2024) arXiv DOI

51. Interplay between crystal field and magnetic anisotropy in the triangular-lattice antiferromagnet NaTmTe2

Shiyi Zheng, Yiqing Gu, Yimeng Gu, Zeyu Kao, Qisi Wang, Hongliang Wo, Yinghao Zhu, Feiyang Liu, Liusuo Wu, Jieming Sheng, Johan Chang, Seiko Ohira-Kawamura, Naoki Murai, Christof Niedermayer, Daniel Gabriel Mazzone, Gang Chen, Jun Zhao

Physical Review B 109, 075159 (2024) DOI

50. Revealing the Orbital Composition of Heavy Fermion Quasiparticles in CeRu2Si2

Kevin P. Kramer, Rina Tazai, Karin von Arx, Masafumi Horio, Julia Küspert, Qisi Wang, Yasmine Sassa, Timur K. Kim, Céphise Cacho, Julien E. Rault, Patrick Le Fèvre, François Bertran, Marc Janoschek, Nicolas Gauthier, Daniel Mazzone, Ramzy Daou, Johan Chang

Journal of the Physical Society of Japan 92, 104701 (2023) DOI

49. Exchange-renormalized crystal field excitations in the quantum Ising magnet KTmSe2

Shiyi Zheng, Hongliang Wo, Yiqing Gu, Rui Leonard Luo, Yimeng Gu, Yinghao Zhu, Paul Steffens, Martin Boehm, Qisi Wang, Gang Chen, Jun Zhao

Physical Review B 108, 054435 (2023) arXiv DOI

48. Spin Fluctuations in Sr1.8La0.2RuO4

Zheng He, Qisi Wang*, Yu Feng, Chul Kim, Wonshik Kyung, Changyoung Kim, Hongliang Wo, Gaofeng Ding, Yiqing Hao, Feiyang Liu, Helen C. Walker, Devashibhai T. Adroja, Astrid Schneidewind, Wenbin Wang, Jun Zhao*

Physical Review B 107, L201107 (2023) arXiv DOI

47. In-situ uniaxial pressure cell for X-ray and neutron scattering experiments

G. Simutis, A. Bollhalder, M. Zolliker, J. Küspert, Q. Wang, D. Das, F. Van Leeuwen, O. Ivashko, O. Gutowski, J. Philippe, T. Kracht, P. Glaevecke, T. Adachi, M. Von Zimmermann, S. Van Petegem, H. Luetkens, Z. Guguchia, J. Chang, Y. Sassa, M. Bartkowiak, M. Janoschek

Review of Scientific Instruments 94, 013906 (2023) arXiv DOI

46. Fate of charge order in overdoped La-based cuprates

K. von Arx, Qisi Wang, S. Mustafi, D. G. Mazzone, M. Horio, D. John Mukkattukavil, E. Pomjakushina, S. Pyon, T. Takayama, H. Takagi, T. Kurosawa, N. Momono, M. Oda, N. B. Brookes, D. Betto, W. Zhang, T. C. Asmara, Y. Tseng, T. Schmitt, Y. Sassa, J. Chang

npj Quantum Materials 8, 7 (2023) arXiv DOI

45. Low-energy spin fluctuations in FeSe0.95S0.05

Die Hu^#, Qisi Wang^#*, Hongliang Wo, Astrid Schneidewind, Jun Zhao*

Physical Review B 106, 214522 (2022) DOI

44. Single-domain stripe order in a high-temperature superconductor

G. Simutis, J. Küspert, Q. Wang, J. Choi, D. Bucher, M. Boehm, F. Bouradot, M. Bertelsen, Ch. N. Wang, T. Kurosawa, M. Momono, M. Oda, M. Månsson, Y. Sassa, M. Janoschek, N. B. Christensen, J. Chang, D. G. Mazzone

Communications Physics 5, 296 (2022) arXiv DOI

43. Pseudogap Suppression by Competition with Superconductivity in La-Based Cuprates

J. Küspert, R. Cohn Wagner, C. Lin, K. von Arx, Q. Wang, K. Kramer, W. R. Pudelko, N. C. Plumb, C. E. Matt, C. G. Fatuzzo, D. Sutter, Y. Sassa, J. -Q. Yan, J. -S. Zhou, J. B. Goodenough, S. Pyon, T. Takayama, H. Takagi, T. Kurosawa, N. Momono, M. Oda, M. Hoesch, C. Cacho, T. K. Kim, M. Horio, J. Chang

Physical Review Research 4, 043015 (2022) arXiv DOI

42. Editorial: Nematicity in iron-based superconductors

Qisi Wang*, Lara Fanfarillo*, Anna E. Böhmer*

Frontiers in Physics 10, 1038127 (2022) DOI

41. Frustrated magnetic interactions in FeSe

Yiqing Gu, Qisi Wang, Hongliang Wo, Zheng He, Helen C. Walker, Jitae T. Park, Mechthild Enderle, Andrew D. Christianson, Wenbin Wang, Jun Zhao

Physical Review B 106, L060504 (2022) arXiv DOI

40. Resonant Inelastic Soft X-Ray Scattering on LaPt2Si2

Deepak John Mukkattukavil, Johan Hellsvik, Anirudha Ghosh, Evanthia Chatzigeorgiou, Elisabetta Nocerino, Qisi Wang, Karin von Arx, Shih-Wen Huang, Victor Ekholm, Zakir Hossain, Arumugum Thamizhavel, Johan Chang, Martin Månsson, Lars Nordström, Conny Såthe, Marcus Agåker, Jan-Erik Rubensson, Yasmine Sassa

Journal of Physics: Condensed Matter 34, 324003 (2022) arXiv DOI

39. Crystal symmetry of stripe-ordered La1.88Sr0.12CuO4

Ruggero Frison, Julia Kuespert, Qisi Wang, Oleh Ivashko, Martin von Zimmermann, Martin Meven, Damian Bucher, Jakob Larsen, Christof Niedermayer, Mark Janoschek, Tohru Kurosawa, Naoki Momono, Migaku Oda, Niels Bech Christensen, Johan Chang

Physical Review B 105, 224113 (2022) arXiv DOI

38. Anomalous contribution to the nematic electronic states from the structural transition in FeSe revealed by time- and angle-resolved photoemission spectroscopy

Yuanyuan Yang, Qisi Wang, Shaofeng Duan, Hongliang Wo, Chaozhi Huang, Shichong Wang, Lingxiao Gu, Dao Xiang, Dong Qian, Jun Zhao, Wentao Zhang

Physical Review Letters 128, 246401 (2022) arXiv DOI

37. Unveiling Unequivocal Charge Stripe Order in a Prototypical Cuprate Superconductor

J. Choi, Q. Wang, S. Jöhr, N. B. Christensen, J. Küspert, D. Bucher, D. Biscette, M. H. Fischer, M. Hücker, T. Kurosawa, N. Momono, M. Oda, O. Ivashko, M. v. Zimmermann, M. Janoschek, J. Chang

Physical Review Letters 128, 207002 (2022) arXiv DOI

36. Unusual Band Splitting and Superconducting Gap Evolution with Sulfur Substitution in FeSe

Yuanyuan Yang, Qisi Wang, Shaofeng Duan, Hongliang Wo, Chaozhi Huang, Shichong Wang, Lingxiao Gu, Dong Qian, Jun Zhao, Wentao Zhang

Chinese Physics Letters 39, 057302 (2022) arXiv DOI

35. Uniaxial pressure induced stripe order rotation in La1.88Sr0.12CuO4

Qisi Wang*, K. von Arx, D. G. Mazzone,S. Mustafi, M. Horio, J. Küspert, J. Choi, D. Bucher, H. Wo, J. Zhao, W. Zhang, T. C. Asmara, Y. Sassa, M. Månsson, N. B. Christensen, M. Janoschek, T. Kurosawa, N. Momono, M. Oda, M. H. Fischer, T. Schmitt, J. Chang*

Nature Communications 13, 1795 (2022) arXiv DOI

34. Field-Tuned Quantum Effects in a Triangular-Lattice Ising Magnet

Yayuan Qin, Yao Shen, Changle Liu, Hongliang Wo, Yonghao Gao, Yu Feng, Xiaowen Zhang, Gaofeng Ding, Yiqing Gu, Qisi Wang, Shoudong Shen, Helen C. Walker, Robert Bewley, Jianhui Xu, Martin Boehm, Paul Steffens, Seiko Ohira-Kawamura, Naoki Murai, Astrid Schneidewind, Xin Tong, Gang Chen, Jun Zhao

Science Bulletin 67, 38 (2022) arXiv DOI

33. Polarized neutron scattering studies of magnetic excitations in iron-selenide superconductor (Li0.8Fe0.2)ODFeSe (Tc = 41 K)

Die Hu, Yu Feng, Jitae Park, Hongliang Wo, Qisi Wang, Frederic Bourdarot, Alexandre Ivanov, Jun Zhao

Journal of Physics: Condensed Matter 33, 45LT01 (2021) arXiv DOI

32. Decoupling of lattice and orbital degrees of freedom in an iron-pnictide superconductor

C. E. Matt, O. Ivashko, M. Horio, J. Choi, Q. Wang, D. Sutter, N. Dennler, M. H. Fischer, S. Katrych, L. Forro, J. Ma, B. Fu, B. Q. Lv, M. v. Zimmermann, T. K. Kim, N. C. Plumb, N. Xu, M. Shi, J. Chang

Physical Review Research 3, 023220 (2021) arXiv DOI

31. Charge Order Lock-in by Electron-Phonon Coupling in La1.675Eu0.2Sr0.125CuO4

Qisi Wang^#*, Karin von Arx^#, Masafumi Horio, Deepak John Mukkattukavil, Julia Küspert, Yasmine Sassa, Thorsten Schmitt, Abhishek Nag, Sunseng Pyon, Tomohiro Takayama, Hidenori Takagi, Mirian Garcia-Fernandez, Ke-Jin Zhou, Johan Chang*

Science Advances 7, eabg7394 (2021) arXiv DOI

30. Evolution of spin excitations from bulk to monolayer FeSe

Jonathan Pelliciari, Seher Karakuzu, Qi Song, Riccardo Arpaia, Abhishek Nag, Matteo Rossi, Jiemin Li, Tianlun Yu, Xiaoyang Chen, Rui Peng, Mirian García-Fernández, Andrew C. Walters, Qisi Wang, Jun Zhao, Giacomo Ghiringhelli, Donglai Feng, Thomas A. Maier, Ke-Jin Zhou, Steven Johnston, Riccardo Comin

Nature Communications 12, 3122 (2021) arXiv DOI

29. Observation of an electronic order along [110] direction in FeSe

Kunliang Bu, Wenhao Zhang, Ying Fei, Yuan Zheng, Fangzhou Ai, Zongxiu Wu, Qisi Wang, Hongliang Wo, Jun Zhao, Yi Yin

Nature Communications 12, 1385 (2021) DOI

28. Electronic reconstruction forming a C2-symmetric Dirac semimetal in Ca3Ru2O7

M. Horio, Q. Wang, V. Granata, K. P. Kramer, Y. Sassa, S. Jöhr, D. Sutter, A. Bold, L. Das, Y. Xu, R. Frison, R. Fittipaldi, T. K. Kim, C. Cacho, J. E. Rault, P. Le Fèvre, F. Bertran, N. C. Plumb, M. Shi, A. Vecchione, M. H. Fischer, J. Chang

npj Quantum Materials 6, 29 (2021) arXiv DOI

27. Resonant inelastic x-ray scattering study of Ca3Ru2O7

K. von Arx, F. Forte, M. Horio, V. Granata, Q. Wang, L. Das, Y. Sassa, R. Fittipaldi, C. G. Fatuzzo, O. Ivashko, Y. Tseng, E. Paris, A. Vecchione, T. Schmitt, M. Cuoco, J. Chang

Physical Review B 102, 235104 (2020) arXiv DOI

26. Oxide Fermi liquid universality revealed by electron spectroscopy

M. Horio, K. P. Kramer, Q. Wang, A. Zaidan, K. von Arx, D. Sutter, C. E. Matt, Y. Sassa, N. C. Plumb, M. Shi, A. Hanff, S. K. Mahatha, H. Bentmann, F. Reinert, S. Rohlf, F. K. Diekmann, J. Buck, M. Kalläne, K. Rossnagel, E. Rienks, V. Granata, R. Fittipaldi, A. Vecchione, T. Ohgi, T. Kawamata, T. Adachi, Y. Koike, A. Fujimori, M. Hoesch, J. Chang

Physical Review B 102, 245153 (2020) arXiv DOI

25. High-Temperature Charge-Stripe Correlations in La1.675Eu0.2Sr0.125CuO4

Qisi Wang*, M. Horio, K. von Arx, Y. Shen, D. John Mukkattukavil, Y. Sassa, O. Ivashko, C. E. Matt, S. Pyon, T. Takayama, H. Takagi, T. Kurosawa, N. Momono, M. Oda, T. Adachi, S. M. Haidar, Y. Koike, Y. Tseng, W. Zhang, J. Zhao, K. Kummer, M. Garcia-Fernandez, Ke-Jin Zhou, N. B. Christensen, H. M. Rønnow, T. Schmitt, J. Chang*

Physical Review Letters 124, 187002 (2020) arXiv DOI

24. Neutron scattering studies on unconventional superconductors

Hongliang Wo, Qisi Wang, Yao Shen, Jun Zhao

Wuli (物理) 48, 790 (2019) DOI

23. Study of intrinsic defect states of FeSe with scanning tunneling microscopy

Kunliang Bu, Bo Wang, Wenhao Zhang, Ying Fei, Yuan Zheng, Fangzhou Ai, Zongxiu Wu, Qisi Wang, Hongliang Wo, Jun Zhao, Chuanhong Jin, Yi Yin

Physical Review B 100, 155127 (2019) arXiv DOI

22. Quantitative characterization of short-range orthorhombic fluctuations in FeSe through pair distribution function analysis

B. A. Frandsen, Qisi Wang, Shan Wu, Jun Zhao, R. J. Birgeneau

Physical Review B 100, 020504(R) (2019) arXiv DOI

21. Coexistence of ferromagnetic and stripe-type antiferromagnetic spin fluctuations in YFe2Ge2

Hongliang Wo^#, Qisi Wang^#, Yao Shen^#, Xiaowen Zhang, Yiqing Hao, Yu Feng, Shoudong Shen, Zheng He, Bingying Pan, Wenbin Wang, K. Nakajima, S. Ohira-Kawamura, P. Steffens, M. Boehm, K. Schmalzl, T. R. Forrest, M. Matsuda, Yang Zhao, J. W. Lynn, Zhiping Yin, Jun Zhao

Physical Review Letters 122, 217003 (2019) arXiv DOI

20. Evidence of nodal gap structure in the basal plane of the FeSe superconductor

P. K. Biswas, A. Kreisel, Qisi Wang, D. T. Adroja, A. D. Hillier, Jun Zhao, R. Khasanov, J. Orain, A. Amato, E. Morenzoni

Physical Review B 98, 180501(R) (2018) arXiv DOI

19. Structure of spin excitations in heavily electron-doped Li0.8Fe0.2ODFeSe superconductors

Bingying Pan, Yao Shen, Die Hu, Yu Feng, J. T. Park, A. D. Christianson, Qisi Wang, Yiqing Hao, Hongliang Wo, Jun Zhao

Nature Communications 8, 123 (2017) arXiv DOI

18. Measurement of Meissner effect in micro-sized Nb and FeSe crystals using an NbN nano-SQUID

Long Wu, Lei Chen, Hao Wang, Qisi Wang, Hongliang Wo, Jun Zhao, Xiaoyu Liu, Xiaolei Wu, Zhen Wang

Superconductor Science and Technology 30, 074011 (2017) DOI

17. Evidence for a spinon Fermi surface in a triangular-lattice quantum-spin-liquid candidate

Yao Shen, Yao-Dong Li, Hongliang Wo, Yuesheng Li, Shoudong Shen, Bingying Pan, Qisi Wang, H. C. Walker, P. Steffens, M. Boehm, Yiqing Hao, D. L. Quintero-Castro, L. W. Harriger, M. D. Frontzek, Lijie Hao, Siqin Meng, Qingming Zhang, Gang Chen, Jun Zhao

Nature 540, 559 (2016) arXiv DOI

16. Highly anisotropic and twofold symmetric superconducting gap in nematically ordered FeSe0.93S0.07

H. C. Xu, X. H. Niu, D. F. Xu, J. Jiang, Q. Yao, Q. Y. Chen, Q. Song, M. Abdel-Hafiez, D. A. Chareev, A. N. Vasiliev, Q. S. Wang, H. L. Wo, J. Zhao, R. Peng, D. L. Feng

Physical Review Letters 117, 157003 (2016) DOI

15. Magnetic ground state of FeSe

Qisi Wang^#, Yao Shen^#, Bingying Pan^#, Xiaowen Zhang, K. Ikeuchi, K. Iida, A. D. Christianson, H. C. Walker, D. T. Adroja, M. Abdel-Hafiez, Xiaojia Chen, D. A. Chareev, A. N. Vasiliev, Jun Zhao

Nature Communications 7, 12182 (2016) arXiv DOI

14. Transition from sign-reversed to sign-preserved Cooper-pairing symmetry in sulfur-doped iron selenide superconductors

Qisi Wang, J. T. Park, Yu Feng, Yao Shen, Yiqing Hao, Bingying Pan, J.W. Lynn, A. Ivanov, Songxue Chi, M. Matsuda, Huibo Cao, R. J. Birgeneau, D. V. Efremov, Jun Zhao

Physical Review Letters 116, 197004 (2016) arXiv DOI

13. Structural and magnetic phase diagram of CrAs and its relationship with pressure-induced superconductivity

Yao Shen^#, Qisi Wang^#, Yiqing Hao^#, Bingying Pan, Yu Feng, Qingzhen Huang, L. W. Harriger, J. B. Leao, Yang Zhao, R. M. Chisnell, J. W. Lynn, Huibo Cao, Jiangping Hu, Jun Zhao

Physical Review B 93, 060503(R) (2016) arXiv DOI

12. Electronic structure of YFe2Ge2 studied by angle-resolved photoemission spectroscopy

D. F. Xu, D. W. Shen, D. Zhu, J. Jiang, B. P. Xie, Q. S. Wang, B. Y. Pan, P. Dudin, T. K. Kim, M. Hoesch, J. Zhao, X. G. Wan, D. L. Feng

Physical Review B 93, 024506 (2016) DOI

11. Unexpected low thermal conductivity and large power factor in Dirac semimetal Cd3As2

Cheng Zhang, Tong Zhou, Sihang Liang, Junzhi Cao, Xiang Yuan, Yanwen Liu, Yao Shen, Qisi Wang, Jun Zhao, Zhongqin Yang, Faxian Xiu

Chinese Physics B 25, 017202 (2016) DOI

10. Strong interplay between stripe spin fluctuations, nematicity and superconductivity in FeSe

Qisi Wang, Yao Shen, Bingying Pan, Yiqing Hao, Mingwei Ma, Fang Zhou, P. Steffens, K. Schmalzl, T. R. Forrest, M. Abdel-Hafiez, Xiaojia Chen, D. A. Chareev, A. N. Vasiliev, P. Bourges, Y. Sidis, Huibo Cao, Jun Zhao

Nature Materials 15, 159 (2016) arXiv DOI

9. Landau level splitting in Cd3As2 under high magnetic fields

Junzhi Cao, Sihang Liang, Cheng Zhang, Yanwen Liu, Junwei Huang, Zhao Jin, Zhi-Gang Chen, Zhijun Wang, Qisi Wang, Jun Zhao, Shiyan Li, Xi Dai, Jin Zou, Zhengcai Xia, Liang Li, Faxian Xiu

Nature Communications 6, 7779 (2015) arXiv DOI