CFEL-AO

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2017-04-07
08:43
OpenAccess [PUBDB-2017-01533] Journal Article
; ; ; et al
Unraveling Local Spin Polarization of Zhang-Rice Singlet in Lightly Hole-Doped Cuprates Using High-Energy Optical Conductivity
ddc:530
Unrevealing local magnetic and electronic correlations in the vicinity of charge carriers is crucial in order tounderstand rich physical properties in correlated electron systems. Here, using high-energy optical conductivity(up to 35 eV) as a function of temperature and polarization, we observe a surprisingly strong spin polarizationof the local spin singlet with enhanced ferromagnetic correlations between Cu spins near the doped holesin lightly hole-doped $La_{1.95}Sr_{0.05}Cu_{0.95}Zn_{0.05}O_4$. [...]
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2016-12-13
08:58
OpenAccess [PUBDB-2016-06119] Journal Article
; ; ; et al
Jet delivery system for Raman scattering on bio-inorganic compounds
ddc:530
We present a micro-jet sample delivery system for Raman measurements. Compared to cuvette measurements, the observed Raman signal is enhanced by more than one order of magnitude and does not contain signal distortions from the liquid-glass interface. [...]
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