Spinovo rozlisena time-of-flight k-reozlisena fotoemissia Ir-- Kompletny fotoemissny experiment.

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dc.contributor.authorSchönhense, Gerd
dc.contributor.authorMedjanik, Katerina
dc.contributor.authorChernov, Sergey V.
dc.contributor.authorKutnyakhov, Dmytro
dc.contributor.authorFedchenko, Olena V.
dc.contributor.authorEllguth, Martin
dc.contributor.authorVasilyev, D.
dc.contributor.authorZaporozhchenko-Zymaková, A.
dc.contributor.authorPanzer, Daniel
dc.contributor.authorOelsner, Andreas
dc.contributor.authorTusche, Christian
dc.contributor.authorSchönhense, B.
dc.contributor.authorBraun, Jürgen
dc.contributor.authorMinár, Jan
dc.contributor.authorEbert, Hubert
dc.contributor.authorViefhaus, Jens
dc.contributor.authorWurth, Wilfried
dc.contributor.authorElmers, Hans Joachim
dc.date.accessioned2018-04-04T09:03:52Z
dc.date.available2018-04-04T09:03:52Z
dc.date.issued2017
dc.description.abstractPredstavujeme novy fotoemissismy miktoskop zalozeny na time-of-flight detektore. ARPES je tymto mozne namerat ako kompletny 4D experiment. Za pomoci cirkularne polarizovaneho svetla sme studovali povrh Ir a jeho spinovu polarizaciu.cs
dc.description.abstract-translatedThe combination of momentum microscopy (high resolution imaging of the Fourier plane) with an imaging spin filter has recently set a benchmark in k-resolution and spin-detection efficiency. Here we show that the degree of parallelization can be further increased by time-of-flight energy recording. On the quest towards maximum information (in earlier work termed “complete” photoemission experiment) we have studied the prototypical high-Z fcc metal iridium. Large partial bandgaps and strong spin-orbit interaction lead to a sequence of spin-polarized surface resonances. Soft X-rays give access to the 4D spectral density function ρ (EB,kx,ky,kz ) weighted by the photoemission cross section. The Fermi surface and all other energy isosurfaces, Fermi velocity distribution vF (kF), electron or hole conductivity, effective mass and inner potential can be obtained from the multi-dimensional array ρ by simple algorithms. Polarized light reveals the linear and circular dichroism texture in a simple manner and an imaging spin filter exposes the spin texture. One-step photoemission calculations are in fair agreement with experiment. Comparison of the Bloch spectral function with photoemission calculations uncovers that the observed high spin polarization of photoelectrons from bulk bands originates from the photoemission step and is not present in the initial state.en
dc.format11 s.cs
dc.format.mimetypeapplication/pdf
dc.identifier.citationSCHÖNHENSE, G., MEDJANIK, K., CHERNOV, S. V., KUTNYAKHOV, D., FEDCHENKO, O. V., ELLGUTH, M., VASILYEV, D., ZAPOROZHCHENKO-ZYMAKOVÁ, A., PANZER, D., OELSNER, A., TUSCHE, C., SCHÖNHENSE, B., BRAUN, J., MINÁR, J., EBERT, H., VIEFHAUS, J., WURTH, W., ELMERS, H. J. Spin-filtered time-of-flight k-space microscopy of Ir--Towards the “complete” photoemission experiment. Ultramicroscopy, 2017, roč. 183, č. DEC 2017, s. 19-29. ISSN 0304-3991.en
dc.identifier.document-number415578200005
dc.identifier.doi10.1016/j.ultramic.2017.06.025
dc.identifier.issn0304-3991
dc.identifier.obd43921490
dc.identifier.uri2-s2.0-85022012160
dc.identifier.urihttp://hdl.handle.net/11025/29491
dc.language.isoenen
dc.project.IDinfo:eu-repo/grantAgreetment/EC/Výpočetní a experimentální design pokročilých materiálů s novými funkcionalitami /CZ.02.1.01/0.0/0.0/15_003/0000358cs
dc.publisherElsevieren
dc.rightsPlný text není přístupný.cs
dc.rights© Elsevieren
dc.rights.accessclosedAccessen
dc.subjectARPES, spinovo rozlisena fotoemissia, jednokrokovy modelcs
dc.subject.translatedARPES, spin resolved PES, one-step modelen
dc.titleSpinovo rozlisena time-of-flight k-reozlisena fotoemissia Ir-- Kompletny fotoemissny experiment.cs
dc.titleSpin-filtered time-of-flight k-space microscopy of Ir--Towards the “complete” photoemission experimenten
dc.typečlánekcs
dc.typearticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen

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