P. Dai

activity

19962023

most citedStructural and magnetic phase diagram of CeFeAsO1-xFx and its relationship to high-temperature superconductivity

762 citations · 11.1k across the 184 of their papers we have counts for

collaborators

Showing 2011Show all

10 papers · 1 filter

cond-mat.supr-con2011★ 1 cited

Interplay between superconductivity and antiferromagnetism in some iron-pnictide single crystals studied by $^{57}$ Fe Mössbauer spectroscopy

J. Munevar, H. Micklitz, J. Agüero +6

We have performed detailed $^{57}$ Fe Mössbauer spectroscopy measurements on Ba $_{0.78}$ K $_{0.22}$ Fe $_{2}$ As $_{2}$ and BaFe $_{2 - x}$ Ni $_{x}$ As $_{2}$ single crystal mosaics showing antiferrom…

cond-mat.supr-con2011★ 34 cited

Evolution of normal and superconducting properties of single crystals of Na $_{1 - δ}$ FeAs upon interaction with environment

M. A. Tanatar, N. Spyrison, Kyuil Cho +6

Iron-arsenide superconductor Na $_{1 - δ}$ FeAs is highly reactive with the environment. Due to the high mobility of Na ions, this reaction affects the entire bulk of the crystals and…

cond-mat.str-el2011★ 16 cited

Common origin of the two types of magnetic fluctuations in iron chalcogenides

Songxue Chi, J. A. Rodriguez-Rivera, J. W. Lynn +5

We use inelastic neutron scattering to study the low energy spin excitations in moderately doped non-superconducting Fe $_{1.01}$ Te $_{0.72}$ Se $_{0.28}$ . The spin excitations in this…

cond-mat.supr-con2011★ 4 cited

Magnetic field dependence of spin-lattice relaxation in the s $\pm$ state of Ba $_{0.67}$ K $_{0.33}$ Fe $_{2}$ As $_{2}$

Sangwon Oh, A. M. Mounce, W. P. Halperin +4

The spatially averaged density of states, <N(0)>, of an unconventional d-wave superconductor is magnetic field dependent, proportional to $H^{1/2}$ , owing to the Doppler shift of q…

cond-mat.supr-con2011★ 59 cited

Antiferromagnetic order and superlattice structure in nonsuperconducting and superconducting RbyFe(1.6+x)Se2

Meng Wang, Miaoyin Wang, G. N. Li +18

Neutron diffraction has been used to study the lattice and magnetic structures of the insulating and superconducting Rb $_{y}$ Fe $_{1.6 + x}$ Se $_{2}$ . For the insulating Rb $_{y}$ Fe$_{1.6+x…

cond-mat.supr-con2011★ 18 cited

In-plane magnetic field effect on the neutron spin resonance in optimally doped FeSe $_{0.4}$ Te $_{0.6}$ and BaFe $_{1.9}$ Ni $_{0.1}$ As $_{2}$ superconductors

Shiliang Li, Xingye Lu, Meng Wang +7

We use inelastic neutron scattering to study the effect of an in-plane magnetic field on the magnetic resonance in optimally doped superconductors FeSe $_{0.4}$ Te $_{0.6}$ ( $T_{c} = 14$ …

cond-mat.supr-con2011★ 94 cited

Spin Waves and magnetic exchange interactions in insulating Rb $_{0.89}$ Fe $_{1.58}$ Se $_{2}$

Miaoyin Wang, Chen Fang, Dao-Xin Yao +10

The discovery of alkaline iron selenide $A$ Fe $_{1.6 + x}$ Se $_{2}$ ( $A =$ K, Rb, Cs) superconductors has generated considerable excitement in the condensed matter physics community becau…

cond-mat.supr-con2011★ 26 cited

Electron-Spin Excitation Coupling in an Electron Doped Copper Oxide Superconductor

Jun Zhao, F. C. Niestemski, Shankar Kunwar +8

High-temperature (high-Tc) superconductivity in the copper oxides arises from electron or hole doping of their antiferromagnetic (AF) insulating parent compounds. The evolution of…

cond-mat.supr-con2011★ 31 cited

Antiferromagnetic spin excitations in single crystals of nonsuperconducting Li1-xFeAs

Meng Wang, X. C. Wang, D. L. Abernathy +9

We use neutron scattering to determine spin excitations in single crystals of nonsuperconducting Li1-xFeAs throughout the Brillouin zone. Although angle resolved photoemission expe…

cond-mat.str-el2011★ 21 cited

Magnetic Frustration and Iron-Vacancy Ordering in Iron-Chalcogenide

Chen Fang, Bao Xu, Pengcheng Dai +2

We show that the magnetic and vacancy orders in the 122 $(A_{1 - y} F e_{2 - x} S e_{2})$ iron-chalcogenides can be naturally derived from the $J_{1} - J_{2} - J_{3}$ model with $J_{1}$ being the ferrom…

Interplay between superconductivity and antiferromagnetism in some iron-pnictide single crystals studied by 57Fe Mössbauer spectroscopy

Evolution of normal and superconducting properties of single crystals of Na1−δ​FeAs upon interaction with environment