Rice University

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2015 · cond-mat.supr-conShow all

19 papers · 2 filters

cond-mat.supr-con2015★ 1 cited

Energy dependence of the spin excitation anisotropy in uniaxial-strained BaFe1.9Ni0.1As2

Yu Song, Xingye Lu, D. L. Abernathy +6

We use inelastic neutron scattering to study the temperature and energy dependence of the spin excitation anisotropy in uniaxial-strained electron-doped iron pnictide BaFe $_{1.9}$ N…

cond-mat.supr-con2015★ 40 cited

Nematic Quantum Critical Fluctuations in BaFe $_{2 - x}$ Ni $_{x}$ As $_{2}$

Zhaoyu Liu, Yanhong Gu, Wei Zhang +15

We have systematically studied the nematic fluctuations in the electron-doped iron-based superconductor BaFe $_{2 - x}$ Ni $_{x}$ As $_{2}$ by measuring the in-plane resistance change under u…

cond-mat.supr-con2015★ 12 cited

Nematic magnetoelastic effect contrasted between Ba(Fe $_{1 - x}$ Co $_{x}$ ) $_{2}$ As $_{2}$ and FeSe

Yuwen Hu, Xiao Ren, Rui Zhang +8

To elucidate the origin of nematic order in Fe-based superconductors, we report a Raman scattering study of lattice dynamics, which quantify the extent of $C_{4}$ -symmetry breaking,…

cond-mat.supr-con2015★ 54 cited

Quantum criticality in AFe2As2 with A = K, Rb, and Cs suppresses superconductivity

Felix Eilers, Kai Grube, Diego A. Zocco +10

Superconductors close to quantum phase transitions often exhibit a simultaneous increase of electronic correlations and superconducting transition temperatures. Typical examples ar…

cond-mat.supr-con2015★ 13 cited

Mott localization in a pure stripe antiferromagnet Rb $_{1 - δ}$ Fe $_{1.5 - σ}$ S $_{2}$

Meng Wang, Ming Yi, Huibo Cao +8

A combination of neutron diffraction and angle-resolved photoemission spectroscopy measurements on a pure antiferromagnetic stripe Rb $_{1 - δ}$ Fe $_{1.5 - σ}$ S $_{2}$ is reported. A neutro…

cond-mat.supr-con2015★ 202 cited

Observation of universal strong orbital-dependent correlation effects in iron chalcogenides

Ming Yi, Zhongkai Liu, Yan Zhang +19

Establishing the appropriate theoretical framework for unconventional superconductivity in the iron-based materials requires correct understanding of both the electron correlation…

cond-mat.supr-con2015★ 31 cited

Electronic nematic correlations in the stress free tetragonal state of BaFe $_{2 - x}$ Ni $_{x}$ As $_{2}$

Haoran Man, Xingye Lu, Justin S. Chen +9

We use transport and neutron scattering to study electronic, structural, and magnetic properties of the electron-doped BaFe $_{2 - x}$ Ni $_{x}$ As $_{2}$ iron pnictides in the external stres…

cond-mat.supr-con2015★ 31 cited

Nematic crossover in BaFe $_{2}$ As $_{2}$ under uniaxial stress

Xiao Ren, Lian Duan, Yuwen Hu +5

Raman scattering can detect spontaneous point-group symmetry breaking without resorting to single-domain samples. Here we use this technique to study $BaF e_{2} A s_{2}$ , the par…

cond-mat.supr-con2015★ 40 cited

Impact of Uniaxial Pressure on Structural and Magnetic Phase Transitions in Electron-Doped Iron Pnictides

Xingye Lu, Kuo-Feng Tseng, T. Keller +9

We use neutron resonance spin echo and Larmor diffraction to study the effect of uniaxial pressure on the tetragonal-to-orthorhombic structural ( $T_{s}$ ) and antiferromagnetic (AF) p…

cond-mat.supr-con2015★ 80 cited

Orbital selectivity and emergent superconducting state from quasi-degenerate $s -$ and $d -$ wave pairing channels in iron-based superconductors

Emilian M. Nica, Rong Yu, Qimiao Si

A major puzzle about the nature of the iron-based superconductivity appears in the case of the alkaline iron selenides. Compared to the iron pnictides, these systems have only elec…

cond-mat.supr-con2015★ 13 cited

Photoemission study of the electronic structure and charge density waves of Na2Ti2Sb2O

S. Y. Tan, J. Jiang, Z. R. Ye +7

The electronic structure of Na2Ti2Sb2O, a parent compound of the newly discovered titanium-based oxypnictide superconductors, is studied by photon energy and polarization dependent…

cond-mat.supr-con2015★ 18 cited

Glide reflection symmetry, Brillouin zone folding and superconducting pairing for the $P 4/ nmm$ space group

Emilian M. Nica, Rong Yu, Qimiao Si

Motivated by the studies of the superconducting pairing states in the iron-based superconductors, we analyze the effects of Brillouin zone folding procedure from a space group symm…

cond-mat.supr-con2015★ 48 cited

A Mott insulator continuously connected to iron pnictide superconductors

Yu Song, Zahra Yamani, Chongde Cao +18

Iron-based superconductivity develops near an antiferromagnetic order and out of a bad metal normal state, which has been interpreted as originating from a proximate Mott transitio…

cond-mat.supr-con2015★ 62 cited

Structural and magnetic phase transitions near optimal superconductivity in BaFe $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Ding Hu, Xingye Lu, Wenliang Zhang +17

We use nuclear magnetic resonance (NMR), high-resolution x-ray and neutron scattering to study structural and magnetic phase transitions in phosphorus-doped BaFe $_{2}$ (As $_{1 - x}$ P$_x…

cond-mat.supr-con2015★ 6 cited

Neutron spin resonance as a probe of superconducting gap anisotropy in partially detwinned electron underdoped NaFe $_{0.985}$ Co $_{0.015}$ As

Chenglin Zhang, J. T. Park, Xingye Lu +7

We use inelastic neutron scattering (INS) to study the spin excitations in partially detwinned NaFe $_{0.985}$ Co $_{0.015}$ As which has coexisting static antiferromagnetic (AF) order…

cond-mat.supr-con2015★ 733 cited

Antiferromagnetic order and spin dynamics in iron-based superconductors

Pengcheng Dai

High-transition temperature (high- $T_{c}$ ) superconductivity in the iron pnictides/chalcogenides emerges from the suppression of the static antiferromagnetic order in their parent co…

cond-mat.supr-con2015★ 14 cited

Doping evolution of antiferromagnetism and transport properties in the non-superconducting BaFe2-2xNixCrxAs2

Rui Zhang, Dongliang Gong, Xingye Lu +7

We report elastic neutron scattering and transport measurements on the Ni and Cr equivalently doped iron pnictide BaFe $_{2 - 2 x}$ Ni $_{x}$ Cr $_{x}$ As $_{2}$ . Compared with the electron-…

cond-mat.supr-con2015★ 10 cited

Spin Waves and Spatially Anisotropic Exchange Interactions in the $S = 2$ Stripe Antiferromagnet Rb $_{0.8}$ Fe $_{1.5}$ S $_{2}$

Meng Wang, P. Valdivia, Ming Yi +12

An inelastic neutron scattering study of the spin waves corresponding to the stripe antiferromagnetic order in insulating Rb $_{0.8}$ Fe $_{1.5}$ S $_{2}$ throughout the Brillouin zone is…

cond-mat.supr-con2015★ 32 cited

Nodeless superconductivity in the presence of spin-density wave in pnictide superconductors: The case of BaFe $_{2 - x}$ Ni $_{x}$ As $_{2}$

Mahmoud Abdel-Hafiez, Yuanyuan Zhang, Zheng He +8

The characteristics of Fe-based superconductors are manifested in their electronic, magnetic properties, and pairing symmetry of the Cooper pair, but the latter remain to be explor…

Energy dependence of the spin excitation anisotropy in uniaxial-strained BaFe1.9Ni0.1As2

Nematic Quantum Critical Fluctuations in BaFe2−x​Nix​As2​

Nematic magnetoelastic effect contrasted between Ba(Fe1−x​Cox​)2​As2​ and FeSe

Quantum criticality in AFe2As2 with A = K, Rb, and Cs suppresses superconductivity

Mott localization in a pure stripe antiferromagnet Rb1−δ​Fe1.5−σ​S2​

Observation of universal strong orbital-dependent correlation effects in iron chalcogenides

Electronic nematic correlations in the stress free tetragonal state of BaFe2−x​Nix​As2​

Nematic crossover in BaFe2​As2​ under uniaxial stress