W. Hu

activity

20072009

most citedSuperconductivity at 41 K and its competition with spin-density-wave instability in layered CeO

_{1 - x}

_{x}

FeAs

1.1k citations · 2.4k across the 12 of their papers we have counts for

collaborators

Showing cond-mat.supr-conShow all

10 papers · 1 filter

cond-mat.supr-con2009

Origin of the structural phase transition at 130 K in BaNi $_{2}$ As $_{2}$ : a combined study of optical spectroscopy and band structure calculations

Z. G. Chen, G. Xu, W. Z. Hu +6

BaNi $_{2}$ As $_{2}$ exhibits a first order structural transition at 130 K. Understanding this structural transition is a crucial step towards understanding the electronic properties of…

cond-mat.supr-con2008★ 134 cited

Superconductivity coexisting with phase-separated static magnetic order in (Ba,K)Fe $_{2}$ As $_{2}$ , (Sr,Na)Fe $_{2}$ As $_{2}$ and CaFe $_{2}$ As $_{2}$

T. Goko, A. A. Aczel, E. Baggio-Saitovitch +22

The recent discovery and subsequent developments of FeAs-based superconductors have presented novel challenges and opportunities in the quest for superconducting mechanisms in corr…

cond-mat.supr-con2008★ 180 cited

Probing superconducting energy gap from infrared spectroscopy on a Ba $_{0.6}$ K $_{0.4}$ Fe $_{2}$ As $_{2}$ single crystal with T $_{c}$ =37 K

G. Li, W. Z. Hu, J. Dong +5

We performed optical spectroscopy measurement on a superconducting Ba $_{0.6}$ K $_{0.4}$ Fe $_{2}$ As $_{2}$ single crystal with T $_{c}$ =37 K. Formation of the superconducting energy gaps in t…

cond-mat.supr-con2008★ 97 cited

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 +15

Zero-field (ZF) muon spin relaxation ( $μ$ SR) measurements have revealed static commensurate magnetic order of Fe moments in NdOFeAs below $T_{N} \sim 135$ K, with the ordered momen…

cond-mat.supr-con2008★ 280 cited

Origin of the spin density wave instability in AFe $_{2}$ As $_{2}$ (A=Ba, Sr) as revealed by optical spectroscopy

W. Z. Hu, J. Dong, G. Li +5

We performed optical spectroscopy measurement on single crystals of BaFe $_{2}$ As $_{2}$ and SrFe $_{2}$ As $_{2}$ , the parent compounds of FeAs based superconductors. Both are found to be quit…

cond-mat.supr-con2008★ 164 cited

Transport and anisotropy in single-crystalline SrFe $_{2}$ As $_{2}$ and $A_{0.6}$ K $_{0.4}$ Fe $_{2}$ As $_{2}$ ( $A$ = Sr, Ba) superconductors

G. F. Chen, Z. Li, J. Dong +7

We have successfully grown high quality single crystals of SrFe $_{2}$ As $_{2}$ and A $_{0.6}$ K $_{0.4}$ Fe $_{2}$ As $_{2}$ (A=Sr, Ba) using flux method. The resistivity, specific heat and Hall co…

cond-mat.supr-con2008★ 69 cited

MuSR studies of RE(O,F)FeAs (RE = La, Nd, Ce) and LaOFeP systems: possible incommensurate/stripe magnetism and superfluid density

J. P. Carlo, Y. J. Uemura, T. Goko +13

Muon spin relaxation (MuSR) measurements in iron oxy-pnictide systems have revealed: (1) commensurate long-range order in undoped LaOFeAs; (2) Bessel function line shape in La(O0.9…

cond-mat.supr-con2008★ 1.1k cited

Superconductivity at 41 K and its competition with spin-density-wave instability in layered CeO $_{1 - x}$ F $_{x}$ FeAs

G. F. Chen, Z. Li, D. Wu +6

A series of layered CeO $_{1 - x}$ F $_{x}$ FeAs compounds with x=0 to 0.20 are synthesized by solid state reaction method. Similar to the LaOFeAs, the pure CeOFeAs shows a strong resistiv…

cond-mat.supr-con2008★ 164 cited

Superconducting properties of Fe-based layered superconductor LaO $_{0.9}$ F $_{0.1 - δ}$ FeAs

G. F. Chen, Z. Li, G. Li +10

We have employed a new route to synthesize single phase F-doped LaOFeAs compound and confirmed the superconductivity above 20 K in this Fe-based system. We show that the new superc…

cond-mat.supr-con2007★ 14 cited

Anomalous metallic state of Cu $_{0.07}$ TiSe $_{2}$ : an optical spectroscopy study

G. Li, W. Z. Hu, J. Dong +6

We report an optical spectroscopy study on the newly discovered superconductor Cu $_{0.07}$ TiSe $_{2}$ . Consistent with the development from a semimetal or semiconductor with a very sm…

Origin of the structural phase transition at 130 K in BaNi2​As2​: a combined study of optical spectroscopy and band structure calculations

Superconductivity coexisting with phase-separated static magnetic order in (Ba,K)Fe2​As2​, (Sr,Na)Fe2​As2​ and CaFe2​As2​

Probing superconducting energy gap from infrared spectroscopy on a Ba0.6​K0.4​Fe2​As2​ single crystal with Tc​=37 K

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

Origin of the spin density wave instability in AFe2​As2​ (A=Ba, Sr) as revealed by optical spectroscopy

Transport and anisotropy in single-crystalline SrFe2​As2​ and A0.6​K0.4​Fe2​As2​ (A = Sr, Ba) superconductors