Publications 2008

1. Origin of the Spin density wave instability in AFe₂As₂ (A = Ba, Sr) as revealed by optical spectroscopy

W.Z. Hu, J. Dong, G. Li, Z. Li, P. Zheng, G.F. Chen, J.L. Luo and N.L. Wang

Phys. Rev. Lett. 101, 257005 (2008)

2. Granularity and vortex dynamics in LaFeAsO_0.92F_0.08 probed by harmonics of the ac magnetic susceptibility

M. Polichetti, M.G. Adesso, D. Zola, J.L. Luo, G.F. Chen, Z. Li, N.L. Wang, C. Noce and S. Pace

Phys. Rev. B 78, 224523 (2008)

3. Two superconducting gaps in LaFeAsO_0.92F_0.08 revealed by 75As nuclear quadrupole resonance

S. Kawasaki, K. Shimada, G.F. Chen, J.L. Luo, N.L. Wang and G.Q. Zheng

Phys. Rev. B 78, 220506 (2008)

4. Transport and anisotropy in single-crystalline SrFe₂As₂ and A_0.6K_0.4Fe₂As₂ (A = Sr, Ba) superconductors

G.F. Chen, Z. Li, J. Dong, G. Li, W.Z. Hu, X.D. Zhang, X.H. Song, P. Zheng, N.L. Wang and J.L. Luo

Phys. Rev. B 78, 224512 (2008)

5. Muon spin relaxation studies of magnetic order and superfluid density in antiferromagnetic NdOFeAs, BaFe₂As₂ and superconducting (Ba,K)Fe₂As₂

A.A. Aczel, E. Baggio-Saitovitch, S.L.Budko, P.C. Canfield, J.P. Carlo, G.F. Chen, P.C Dai, T. Goko, W.Z. Hu, G.M. Luke, J.L. Luo, N. Ni, D.R. Sanchez-Candela, F.F. Tafti, N.L. Wang, T.J. Williams, W. Yu and Y.J. Uemura

Phys. Rev. B 78, 214503 (2008)

6. Tightly bound Cooper pair, strong coupling dispersion kink, and the superconducting gap in the (Sr,Ba)_1-x(K,Na)_xFe₂As₂ superconductors

L. Wray, D. Qian, D. Hsieh, Y. Xia, L. Li, J.G. Checkelsky, A. Pasupathy, K.K. Gomes, C.V. Parker, A.V. Fedorov, G.F. Chen, J.L. Luo, A. Yazdani, N.P. Ong, N.L. Wang and M.Z. Hasan

Phys. Rev. B 78, 184508 (2008)

7. Struture Stability and Compressibility of Iron-Based Superconductor Nd(O_0.88F_0.12)FeAs under High Pressure

J.G. Zhao, L.H. Wang, D.W. Dong, Z.G. Liu, H.Z. Liu, G.F. Chen, D. Wu, J.L. Luo, N.L. Wang, Y. Yu, C.Q. Jin and Q.Z. Guo

J. Am. Chem. Soc. 130, 13828 (2008)

8. The crystalline electric field as a probe for long range antiferromagnetic order and superconductivity in CeFeAsO_1-xF_x

S.X. Chi, D.T. Adroja, T. Guidi, R. Bewley, S.L. Li, J. Zhao, J.W. Lynn, C.M. Brown, Y. Qiu, G.F. Chen, J.L. Lou, N.L. Wang and  P.C. Dai

Phys. Rev. Lett. 101, 217002 (2008)

9. Fermi Surface and Band Renormalization in (Sr,K)Fe₂As₂ Superconductor from Angle-Resolved Photoemission Spectroscopy

H.Y. Liu, W.T. Zhang, L. Zhao, X.W. Jia, J.Q. Meng, G.D. Liu, X.L. Dong, G.F. Chen, J.L. Luo, N.L. Wang, W. Lu, G.L. Wang, Y. Zhou, Y. Zhu, X.Y. Wang, Z.Y. Xu, C.T. Chen and X.J. Zhou

Phys. Rev. B 78, 184514 (2008)

10. Low energy spin waves and magnetic interactions in SrFe₂As₂

J. Zhao, D.-X. Yao, S.L. Li, T. Hong, Y. Chen, S. Chang, W. Ratcliff II, J.W. Lynn, H.A. Mook, G.F. Chen, J.L. Luo, N.L. Wang, E.W. Carlson, J.P. Hu and P.C. Dai

Phys. Rev. Lett. 101, 167203 (2008)

11. Spin and Lattice Structure of Single Crystal SrFe₂As₂

J. Zhao, W. Ratcliff II, J.W. Lynn, G.F. Chen, J.L. Luo, N.L. Wang, J.P. Hu, P.C. Dai

Phys. Rev. B 78, 140504(R) (2008)

12. Structural and magnetic phase diagram of CeFeAsO_1-xF_x and its relationship to high-temperature superconductivity

J. Zhao, Q. Huang, C. Cruz, S.L. Li, J.W. Lynn, Y. Chen, M.A. Green, G.F. Chen, G. Li, Z. Li, J.L. Luo, N.L. Wang and P.C. Dai

Nat. Mat. 7, 953 (2008)

13. Probing superconducting energy gap from infrared spectroscopy on a Ba_0.6K_0.4Fe₂As₂ single crystal with Tc = 37 K

G. Li, W.Z. Hu, J. Dong, Z. Li, P. Zheng, G.F. Chen, J.L. Luo and N.L. Wang

Phys. Rev. Lett. 101, 107004 (2008)

14. Superconducting Properties of the Fe-Based Layered Superconductor LaFeAsO_0.9F_0.1-x

G.F. Chen, Z. Li, G. Li, J. Zhou, D. Wu, J. Dong, W.Z. Hu, P. Zheng, Z.J. Chen, H.Q. Yuan, J. Singleton, J.L. Luo and N.L. Wang

Phys. Rev. Lett. 101, 057007 (2008)

15. Superconductivity at 41 K and Its Competition with Spin-Density-Wave Instability in Layered CeO_1-xF_xFeAs

G.F. Chen, Z. Li, D. Wu, G. Li, W.Z. Hu, J. Dong, P. Zheng, J.L. Luo and N. L. Wang

Phys. Rev. Lett. 100, 247002 (2008)

16. Band-dependent normal-state coherence in Sr₂RuO₄: Evidence from nernst effect and thermopower measurements

X.F. Xu, Z.A. Xu, T.J. Liu, D. Fobes, Z.Q. Mao, J.L. Luo, Y. Liu

Phys. Rev. Lett. 101, 057002 (2008)

17. Magnetic Order versus superconductivity in the Iron-based layered La(O_1-xF_x)FeAs systems

C. Cruz, Q. Huang, J.W. Lynn, J.Y. Li, W. Ratcliff II, J.L. Zarestky, H.A. Mook, G.F. Chen, J.L. Luo, N.L. Wang and P.C. Dai

Nature 453, 899 (2008)

18. Strong-coupling superconductivity in layered nickel-based LaO_1-xF_xNiAs

Z. Li, G.F. Chen, J. Dong, G. Li, W.Z. Hu, D. Wu, S.K. Su, P. Zheng, T. Xiang, N.L. Wang and J.L. Luo

Phys. Rev. B 78, 060504(R), (2008)

19. Evidence for a band broadening across the ferromagnetic transition of Cr_1/3NbSe₂

W.Z. Hu, G.T. Wang, R.W. Hu, C. Petrovic, E. Morosan, R.J. Cava, Z. Fang and N.L. Wang

Phys. Rev. B 78, 085120 (2008)

20. Doping evolution of antiferromagnetic order and structural distortion in LaFeAsO_1-xF_x

Q. Huang, J. Zhao, J.W. Lynn, G.F. Chen, J.L. Luo, N.L. Wang and P.C. Dai

Phys. Rev. B 78, 054529 (2008)

21. Magnetic order of the iron spins in NdFeAsO

Y. Chen, J.W. Lynn, J. Li, G. Li, G.F. Chen, J.L. Luo, N.L. Wang, P.C. Dai, C. Cruz and H.A. Mook

Phys. Rev. B 78, 064515 (2008)

22. Phonon softening and "forbidden" mode observed by Raman scattering in Na_0.5CoO₂

Q.M. Zhang, M. An, S.K. Yuan, Y. Wu, D. Wu, J.L. Luo, N.L. Wang, W. Bao and Y.N. Wang

Phys. Rev. B 77, 045110 (2008)

23. Competing Orders and Spin-Density-Wave Instability in La(O_1-xF_x)FeAs

J. Dong, H.J. Zhang, G. Xu, Z. Li, G. Li, W.Z. Hu, D. Wu, G.F. Chen, X. Dai, J.L. Luo, Z. Fang and N.L. Wang

EPL 83, 27006 (2008)

24. Observation of Fermi-surface-dependent nodeless superconducting gaps in Ba_0.6K_0.4Fe₂As₂

H. Ding, P. Richard, K. Nakayama, T. Sugawara, T. Arakane, Y. Sekiba, A. Takayama, S. Souma, T. Sato, T. Takahashi, Z. Wang, X. Dai, Z. Fang, G.F. Chen, J.L. Luo and N.L. Wang

EPL 83, 47001 (2008)

25. Optical properties of Pr_0.5Ca_0.5CoO₃ single crystal

J. Zhou, P. Zheng, N.L. Wang

J. Phys.: Condens. Matt. 20, 055222 (2008)

26. Optical study of the orbital ordered state in La₄Ru₂O₁₀

D. Wu, P.G. Khalifah, D.G. Mandrus, N.L. Wang

J. Phys.: Condens. Matt. 20, 325204 (2008)

27. The metal-insulator-like and insulator-metal-like behaviors in antimony

Z. Li, G. Li, N.L. Wang, J.L. Luo

J. Phys.: Condens. Matt. 20, 235232 (2008)

28. Giant anisotropy of the magnetoresistance and the 'spin valve' effect in antiferromagnetic Nd_2-xCe_xCuO₄

T. Wu, C.H. Wang, G. Wu, D.F. Fang, J.L. Luo, G.T. Liu, X.H. Chen

J. Phys.: Condens. Matt. 20, 275226 (2008)

29. Optical properties of layered cobaltates

J. Dong, D. Wu, J.L. Luo, X.G. Luo, C.H. Wang, X.H. Chen, N.L. Wang

Physica B, 403, 1569 (2008).  (invited talk at SCES'07)

30. Nernst effect of the new iron-based superconductor LaO_1-xF_xFeAs

Z.W. Zhu, Z.A. Xu, X. Lin, G.H. Cao, C.M. Feng, G.F. Chen, Z. Li, J.L. Luo, N.L. Wang

New J. Phys. 10, 063021 (2008)

31. Element substitution effect in transition metal oxypnictide Re(O_1-xF_xTAs (Re = rare earth, T = transition metal)

G. F. Chen, Z. Li, D. Wu, J. Dong, G. Li, W. Z. Hu, P. Zheng, J. L. Luo, N.L. Wang

Chin. Phys. Lett. 25, 2235 (2008)

32. Superconductivity in hole-doped (Sr_1-xK_x)Fe₂As₂

G.F. Chen, Z. Li, G. Li, W.Z. Hu, J. Dong, X.D. Zhang, P. Zheng, N.L. Wang, J.L. Luo

Chin. Phys. Lett. 25, 3403 (2008)

33. Superconducting proprties of noncentrosymmetric Mg₁₀Ir₁₉B₁₆

李政，雒建林

物理学报 57, 4508 (2008)

34. 过渡金属化合物中的竞争序与多体合作现象

王楠林，雒建林，陈根富

物理, 37, 427 (2008) （中国科学院物理研究所成立80周年约稿）