本课题组成立于2002年,主要研究方向为介观尺度超导体中的量子现象,所研究的材料包括具有介观尺度人工结构的超导材料、微纳尺度超导体等。此外还开展金属和超导体超材料(Metamaterial)中的表面等离子体、非常规超导体及相关材料的远红外光谱学研究。目前承担多项科技部和国家基金委的科研项目。

科研成果

2017年


1.“Temperature-tunable Fano resonance induced by strong coupling between Weyl fermions and phonons in TaAs” Nature Communications 8, 14933(2017).
B. Xu, Y. M. Dai, L. X. Zhao, K. Wang, R. Yang, W. Zhang, J. Y. Liu, H. Xiao, G. F. Chen, S. A. Trugman, J-X Zhu, A. J. Taylor, D. A. Yarotski, R. P. Prasankumar & X. G. Qiu

2.“Infrared spectroscopic study on lattice dynamics in CaFeO3” Phys. Rev. B 95, 064104(2017).
C. X. Zhang, H. L. Xia, H. Liu, Y. M. Dai, B. Xu, R. Yang, Z. Y. Qiu, Q. T. Sui, Y. W. Long, S. Meng, and X. G. Qiu

3.“Anomalous phonon behavior in superconducting CaKFe4As4: An optical study” Phys. Rev. B 95, 064506(2017).
R. Yang, Y.M. Dai, B. Xu, W. Zhang, Z.Y. Qiu, Q.T. Sui, C.C. Homes, X.G. Qiu

4.“Angular-dependent magnetic torque in iron-pnictide BaFe2-xNixAs2” International Journal of Modern Physics B 31, 064506(2017).
W. Zhang, H.Q. Luo, R. Zhang, X.Y. Lu, B. Xu, K. Wang, R. Yang, J.Y. Liu, H. Yang, and X.G. Qiu

5.“Optical signatures of parity anomaly in a gapped graphene-like system” J. Phys.: Condens. Matter 29, 205701(2017).
C.X. Zhang, X.G. Qiu

6.“Infrared spectroscopic study of CaFe0.7Co0.3O3”Phys. Rev. B 96, 075154(2017).
C.X. Zhang, H. L. Xia, Y. M. Dai, Z. Y. Qiu, Q. T. Sui, Y. W. Long, and X.G. Qiu

7.“Infrared probe of the gap evolution across the phase diagram of Ba1−xKxFe2As2”Phys. Rev. B 96, 115125(2017).
B. Xu, Y. M. Dai, H. Xiao, B. Shen, H. H. Wen, X. G. Qiu, and R. P. S. M. Lobo

8.“Observation of an emergent coherent state in the iron-based superconductor KFe2As2”Phys. Rev. B 96, 201108(2017).
R. Yang, Z.P. Yin, Y.L. Wang, Y.M. Dai, H. Miao, B. Xu, X.G. Qiu, C. Homes

2016年


1.“Optical study of the antiferromagnetic ordered state in electron-overdoped Ca0.77Nd0.23FeAs2” Phys. Rev. B 93, 245110(2016).
R. Yang, B. Xu, Y.M. Dai, W. Zhang, J.Y. Liu, Z.Y. Qiu, and X.G. Qiu

2.“Optical spectroscopy of the Weyl semimetal TaAs” Phys. Rev. B 93, 121110(2016).
B. Xu, Y.M. Dai, L.X. Zhao, K. Wang, R. Yang, W. Zhang, J.Y. Liu, H. Xiao, G.F. Chen, A.J. Taylor, D.A. Yarotski, R.P. Prasankumar, and X.G. Qiu

3.“Optical observation of spin-density-wave fluctuations in Ba122 iron-based superconductors” Phys. Rev. B 94, 085147(2016).
B. Xu, Y.M. Dai, H. Xiao, B. Shen, Z.R. Ye, A. Forget, D. Colson, D. L. Feng, H.H. Wen, X.G. Qiu and R. Lobo

4.“Nematic Quantum Critical Fluctuations in BaFe2-xNixAs2” Phys. Rev. Lett. 117, 157002(2016).
Z.Y. Liu, Y.H. Gu, W. Zhang, D.L. Gong, W. L. Zhang, T. Xie, X.Y. Lu, X.Y. Ma, X.T. Zhang, R. Zhang, J. Zhu, C. Ren, L. Shan, X.G. Qiu, P.C. Dai, Y.F. Yang, H.Q. Luo, and S.L. Li

5.“Raman scattering studies on the collapsed phase of CaCo2As2” Chinese Physics B 25,067803(2016).
J.T. Ji, A.M. Zhang, R. Yang, Y. Tian, F. Jin, X.G. Qiu, and Q.M. Zhang

2015年


1.“Formation of As-As bond and its effect on absence of superconductivity in the collapsed tetragonal phase of Ca0.86Pr0.14Fe2As2: An optical spectroscopy study” Phys. Rev. B 91, 224507(2015).
R. Yang, C.C. Le, L. Zhang, B. Xu, W. Zhang, K. Nadeem, H. Xiao, J.P. Hu, X.G. Qiu

2.“Slow Spin Dynamics in Superconducting Ca0.9Ce0.1Fe2As2” Scientific Reports 5, 10700(2015).
K. Nadeem, W. Zhang, D.Y. Chen, Z.A. Ren, X.G. Qiu

3.“Anomalous phonon redshift in K-doped BaFe2As2 iron pnictides” Phys. Rev. B 91, 104501(2015).
B. Xu, Y.M. Dai, B. Shen, H. Xiao, Z.R. Ye, A. Forget, D. Colson, D.L. Feng, H.H. Wen, C.C. Homes, X.G. Qiu, R. Lobo

4.“Spin-flop transition and magnetic phase diagram in CaCo2As2 revealed by torque measurements” Phys. Rev. B 91, 224507(2015).
W. Zhang, K. Nadeem, H. Xiao, R. Yang, B. Xu, H. Yang, X.G. Qiu

5.“Spin-Fluctuation-Induced Non-Fermi-Liquid Behavior with Suppressed Superconductivity in LiFe1-xCoxAs” Phys. Rev. X 5, 031035(2015).
Y.M. Dai, H. Miao, L.Y. Xing, X.C. Wang, P.S. Wang, H. Xiao, T. Qian, P. Richard, X.G. Qiu, W. Yu, C.Q. Jin, Z. Wang, P.D. Johnson, C.C. Homes, and H. Ding

2014年


1.“Electron-phonon coupling in the superconducting single crystal Rb0.8Fe1.68Se2” Physica C 503, 25(2014).
B. Xu, Y.M. Dai, J. Han, K. Wang, R. Yang, Y. X. Zhang, H. Xiao, X.G. Qiu

2.“Two distinct superconducting fluctuation diamagnetisms in Bi2Sr2-xLaxCuO6+delta” Phys. Rev. B 90, 214511(2014).
H. Xiao, T. Hu, W. Zhang, Y.M. Dai, H.Q. Luo, H.H. Wen, C.C. Almasan, and X.G. Qiu

2013年


1.“Symmetry breaking induced anti-resonance in three dimensional sub-diffraction semiconducting grating” Appl. Phys. Lett. 102, 151113(2013).
F. Cheng, B. H. Li, J. Han, H. Xiao, C. Z. Gu and X. G. Qiu

2.“Hidden T-linear scattering rate in Ba0.6K0.4Fe2As2 revealed by optical spectroscopy” Phys. Rev. Lett. 111, 117001(2013).
Y. M. Dai, B. Xu, B. Shen, H. Xiao, H. H. Wen, X. G. Qiu, C. C. Homes, and R. P. S. M. Lobo

3.“Optical conductivity of Ba0.6K0.4Fe2As2:The effect of in-plane and out-of-plane doping in the superconducting gap” Euro. Phys. Lett. 104, 47006(2013).
Y. M. Dai, B. Xu, B. Shen, H. H.Wen, X. G. Qiu and R. P. S. M. Lobo

2012年


1."Plasmonic Nanolaser Using Epitaxially Grown Silver Film" Science 337, 450(2012).
Yu-Jung Lu, Jisun Kim, Hung-Ying Chen, Chihhui Wu, Nima Dabidian, Charlotte E. Sanders, Chun-Yuan Wang, Ming-Yen Lu, Bo-Hong Li, Xianggang Qiu, Wen-Hao Chang, Lih-Juann Chen, Gennady Shvets, Chih-Kang Shih, and Shangjr Gwo

2.“Tuning asymmetry parameter of Fano resonance of spoof surface plasmons by modes coupling” Appl. Phys. Lett. 100, 131110(2012).
F. Cheng, H.F. Liu, B.H. Li, J. Han, H. Xiao, X.F. Han, C.Z. Gu, X.G. Qiu

3."Local rotational symmetry effects on Fano resonances with constant non-resonant transmission channel" Appl. Phys. Lett. 101, 031114(2012).
Bo-Hong Li, Houfang Liu, Fei Cheng, Jing Han, Hong Xiao, Xiufeng Han, Changzhi Gu, Xianggang Qiu

4."Contrast between SPP-mediated EOT behavior in epitaxial and polycrystalline Ag films in the mid- and far-infrared regimes" Nano Letters 12, 6187(2012).
Bo-Hong Li, Charlotte E.Sanders, James McIlhargey, Fei Cheng, Changzhi Gu, Guanhua Zhang, Kehui Wu, Jisun Kim, S. Hossein Mousavi, Alexander B. Khanikaev, Yu-Jung Lu, Shangjr Gwo, Gennady Shvets, Chih-Kang Shih, and Xianggang Qiu

5.“Doping evolution of the optical scattering rate and effective mass of Bi2Sr2-xLaxCuO6 Phys. Rev. B 85, 092504(2012).
Y.M. Dai, B. Xu, P. Cheng, H.Q. Luo, H.H. Wen, X.G. Qiu, R. Lobo

6."Pseudogap in underdoped Ba1-xKxFe2As2 as seen via optical conductivity" Phys. Rev. B 86, 100501(2012).
Y. M. Dai, B. Xu, B. Shen, H. H. Wen, J. P. Hu, X. G. Qiu, and R. Lobo

7."Filamentary superconductivity across the phase diagram of Ba(Fe,Co)2As2" Phys. Rev. B 86, 064521(2012).
H. Xiao, T. Hu, S.K. He, B. Shen, W.J. Zhang, B. Xu, K.F. He, J. Han, Y.P. Singh, H.H. Wen, X.G. Qiu, C. Panagopoulos, and C.C. Almasan

8."Superconductivity in the pseudogap region of Bi2Sr1.4La0.6CuO6+d from angular dependent torque measurements" Phys. Rev. B 85, 134516(2012).
T. Hu, H. Xiao, P. Gyawali, H.H. Wen, and C.C. Almasan

9."Crossover behaviors in magnetoresistance oscillations for Nb thin film with rectangular arrays of antidots" EPL 99, 37006(2012).
W. J. Zhang, S. K. He, H. F. Liu, G. M. Xue, H. Xiao, B. H. Li, Z. C. Wen, X. F. Han, S. P. Zhao, C. Z. Gu, X. G. Qiu and Victor V. Moshchalkov

10."Wire network behavior in superconducting Nb films with diluted triangular arrays of holes" J. Phys.: Condens. Matter 24, 155702(2012). 2012 issue 15 cover
S.K. He, W.J. Zhang, H.F. Liu, G.M. Xue, B.H. Li, H. Xiao, Z.C. Wen, X.F. Han, S.P. Zhao, C.Z. Gu and X.G. Qiu

11."Evolution of the 251 cm-1 infrared phonon mode with temperature in Ba0.6K0.4Fe2As2" Chin. Phys. B 21, 077403(2012).
Dai Yao-Min(戴耀民), Xu Bing(许兵), Shen Bing(沈冰), Xiao Hong(肖宏), Lobo R. P. S. M, and Qiu Xiang-Gang(邱祥冈)

12."Interstitial vortex in superconducting film with periodic hole arrays" Chin. Phys. B 21, 087401(2012).
W.J. Zhang, S.K. He, H. Xiao, G.M. Xue, Z.C. Wen, X.F. Han, S.P. Zhao, C.Z. Gu, X.G. Qiu

13."Abnormal magnetoresistance behavior in Nb thin films with rectangular arrays of antidots" Chin. Phys. B 21, 077401(2012).
W.J. Zhang, S.K. He, B.H. Li, F. Cheng, B. Xu, Z.C. Wen, W.H. Cao, H. Xiao, X.F. Han, S.P. Zhao, X.G. Qiu

14."Transport measurements on nano-engineered two dimensional superconducting wire networks" Physica C 480, (126)2012.
W.J. Zhang, S.K. He, H. Xiao, G.M. Xue, Z.C. Wen, X.F. Han, S.P. Zhao, C.Z. Gu, X.G. Qiu

2011年


1.“Two-dimensional electron gas with universal subbands at the surface of SrTiO3” Nature 469, 169(2011).
A. F. Santander-Syro, O. Copie, T. Kondo, F. Fortuna, S. Pailhès, R. Weht, X. G. Qiu, F. Bertran, A. Nicolaou, A. Taleb-Ibrahimi, P. Le Fèvre, G. Herranz, M. Bibes, N. Reyren, Y. Apertet, P. Lecoeur, A. Barthélémy & M. J. Rozenberg.

2.“Influence of intrinsic electronic properties on light transmission through subwavelength holes on gold and MgB2 thin films” Phys. Rev. B 84, 245038(2011).
X. Fang, C.G. Zhuang, Z.C. Wen, X.F. Han, Q.R. Feng, X.X. Xi, F. Nori, X.C. Xie, Q. Niu, X.G. Qiu

3.“Effects of geometrical symmetry on the vortex in mesoscopic superconductors” Eur. Phys. J. B 79, 473(2011).
X.H. Hu, A.C. Ji, X.G. Qiu, W.M. Liu

4.“Intrinsic abnormal electromagnetic medium based on polar lattice vibration” Chn. Sci. Bulletin 56, 1318(2011).
R. Wang, J. Zhou, X.G. Qiu

5.“Temperature and Current Dependent Matching Fields in Superconducting NbN Film” J. Novel Supercond. Magn. 24, 919(2011).
M. Kamran, M. Anis-ur-Rehman, K. Mansoor, S.K. He, X.G. Qiu

6.“High Temperature Superconductors”, ISBN 978-1845695781, Published by Woodhead Publishing Ltd., London, U.K., 464 pages, 2011.
Edited by X.G. Qiu