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Reciprocity between local moments and collective magnetic excitations.Magnetic moment evolution and spin freezing in doped BaFe2As2 - CORE Reader. Magnetic moment evolution and spin freezing in doped BaFe2As2: Jonathan Pelliciari, Yaobo Huang, Kenji Ishii, Chenglin Zhang, Pengcheng Dai, Gen Fu Chen, Lingyi Xing, Xiancheng Wang, Changqing Jin, Hong Ding, Philipp Werner, & Thorsten Schmitt: Scientific Reports 7, 8003 (2017). (Published on Aug 14th, 2017) 70. A difference in the evolution of magnetism upon hole doping has also been reported in INS and RIXS measurements of the spin excitations in Ba 1−x K x Fe 2 As 2 12, 48. Both techniques detected.Superconductivity authors/titles Jul 2016 (35 skipped).（17） Electronic structures and spin states of BaFe2As2 and SrFe2As2 probed by x-ray emission spectroscopy at Fe and As K-absorption edges, Phys. Rev. B 96, 085129 (2017), 2017, 第 6 作者... （34） Magnetic moment evolution and spin freezing in doped BaFe2As2, Sci. Rep. 7, 8003 (2017), 2017, 第 10 作者（35） Hole doping and.Muon-spin-relaxation studies of magnetic order and... - ResearchGate.We use time-of-flight (TOF) inelastic neutron scattering (INS) spectroscopy to investigate the doping dependence of magnetic excitations across the phase diagram of NaFe1-xCoxAs with x = 0, 0.0175, 0.0215, 0.05, and 0.11. The effect of electron-doping by partially substituting Fe by Co is to form resonances that couple with superconductivity, broaden and suppress low energy (E 80 meV) spin. Title: The electronic structure of BSCCO in the presence of a super-current: Flux-flow, Doppler shift and quasiparticle pockets. Magnetic moments μbarein electron- and hole-doped BaFe2As2. At low temperature, μbareis nearly constant in hole-doped samples, whereas it decreases upon electron doping. Increasing temperature substantially enhances μbarein the hole-doped region, which is naturally explained by the theoretically predicted crossover into a spin-frozen state.Hundness versus Mottness in a three-band Hubbard-Hund model: On the.量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。.Fluctuating magnetism of Co- and Cu-doped NaFeAs.Microscopic evidence shows that the parent compound BaFe 2 As 2 exhibits magnetic order (SDW) below 140 K which is accompanied by a structural phase transition. 15, 16 The situation is common to Sr. The U.S. Department of Energy's Office of Scientific and Technical Information. Anisotropic effect of a magnetic field on the neutron spin resonance in FeSe. Physical Review. B. 101. PMID 33655092 DOI: 10.1103/Physrevb.101.140504 1.Magnetic moment evolution and spin freezing in doped BaFe 2 As 2.On cooling the system to T = 2 K (well below Tc ), a spin gap opens to E = 5 meV at Q = (1,0,0), while little change of the magnetic scattering occurs at Q = (1,0,1). To confirm this conclusion, we. Abstract Fe-K β X-ray emission spectroscopy measurements reveal an asymmetric doping dependence of the magnetic moments μbare in electron- and hole-doped BaFe2As2. At low temperature, μbare is nearly constant in hole-doped samples, whereas it decreases upon electron doping.Do transition-metal substitutions dope carriers in iron... - Europe PMC.1/103 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know. PDF | Fe-K$_{\\beta}$ X-ray emission spectroscopy measurements reveal an asymmetric doping dependence of the magnetic moments $\\mu_\\text{bare}$ in... | Find, read and cite all the research you.Magnetic moment evolution and spin freezing in doped BaFe2As2.（7） Magnetic moment evolution and spin freezing in doped BaFe 2 As 2, SCIENTIFIC REPORTS, 2017, 第 2 作者... （5）Asymmetry of the high-energy spin-excitations in electron and dole doped BaFe2As2 superconductors 2015-08-23... （8）RIXS studies on the high-energy spin excitations of iron-pnictide compounds BaFe2As2 and Ba0.6K0. This is expected valently doped BaFe2 (As1−xPx)2 across the phase diagram (see as the hardening of the spin excitations coupled to electron-hole Fig. 1a for a graphical description of the doping levels). Upon pair excitations naturally leads to further broadening of the spin doping and without nominally injecting charge carriers, the excitations25.Magnetic moment evolution and spin freezing in doped BaFe2As2 - CORE.Fe-K β X-ray emission spectroscopy measurements reveal an asymmetric doping dependence of the magnetic moments μ bare in electron- and hole-doped BaFe2As2. Dynamical Mean Field 動的平均フィールド | アカデミックライティングで使える英語フレーズと例文集.Peilun Dai - Publications.Abstract Fe-K β X-ray emission spectroscopy measurements reveal an asymmetric doping dependence of the magnetic moments μ bare in electron- and hole-doped... DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. We report an x-ray emission spectroscopy (XES) study of the local fluctuating magnetic moment (μbare) in NaFe1−xCoxAs and NaFe1−xCuxAs. In NaFeAs, the reduced height of the As ions induces a local magnetic moment higher than Ba2As2, despite lower TN and ordered magnetic moment. As NaFeAs is doped with Co μbare is slightly reduced, whereas Cu doping leaves it unaffected, indicating a.Magnetic moment evolution and spin freezing in doped.In this paper we report the results of quantum oscillation experiments in very strong magnetic fields on the parent magnetic compound SrFe2As2 of a high temperature superconductor, revealing a Fermi surface comprising tiny pockets of carriers. Increasing temperature substantially enhances μ bare in the hole-doped region, which is naturally explained by the theoretically predicted crossover into a spin-frozen state. Our measurements demonstrate the importance of Hund's-coupling and electronic correlations, especially for hole-doped BaFe 2 As 2 , and the inadequacy of a fully localized or fully itinerant description of the.Fluctuating magnetism of Co- and Cu-doped NaFeAs - Semantic Scholar.From first-principles calculations of the configuration-averaged spectral function of BaFe2As2 with disordered Co or Zn substitutions of Fe, important doping effects are found beyond merely changing the carrier density.... Magnetic moment evolution and spin freezing in doped BaFe 2 As 2. Pelliciari J, Huang... a comparative study of the. Hund metals are multi-orbital systems with moderate Coulomb interaction, U, among charges and sizeable Hund's rule coupling, J (< U) , that aligns the spins in different orbitals. They show strong correlation effects, like very low Fermi-liquid coherence scales and intriguing incoherent transport regimes, resulting in bad metallic behavior.
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