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Related papers: Soft X-ray Angle Resolved Photoemission with Micro…

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Optical systems with wide field-of-views (FOV) are crucial for many applications such as high performance imaging, optical projection, augmented/virtual reality, and miniaturized medical imaging tools. Typically, aberration-free imaging…

Optics · Physics 2022-04-21 Kunal Shastri , Francesco Monticone

It is anticipated that mass accretion rates exceeding approximately $10^{19}\,{\rm g\,s^{-1}}$ in X-ray pulsars lead to radiation-driven outflows from super-critical accretion discs. The outflows launched from the disc influence the angular…

High Energy Astrophysical Phenomena · Physics 2025-09-16 Sricheta Karmakar , Alexander A. Mushtukov , Matthew Middleton

Spectro-ptychography offers improved spatial resolution and additional phase spectral information relative to that provided by scanning transmission X-ray microscopes (STXM). However, carrying out ptychography at the lower range of soft…

SVOM is a Sino-French space mission targeting high-energy transient astrophysical objects such as gamma-ray bursts. The soft X-ray part of the spectrum is covered by the Micro-channel X-ray Telescope (MXT) which is a narrow field telescope…

High Energy Astrophysical Phenomena · Physics 2023-03-01 Shaymaa Hussein , Florent Robinet , Martin Boutelier , Diego Götz , Aleksandra Gros , Benjamin Schneider

In this article, we review recent progress in angle-resolved photoemission (ARPES) studies of the Mott-Hubbard-type correlated electron systems SrVO3. It has the d1 electron configuration and is an ideal model compound to study electron…

Strongly Correlated Electrons · Physics 2016-08-31 T. Yoshida , M. Kobayashi , K. Yoshimatsu , H. Kumigashira , A. Fujimori

We developed a table-top vacuum ultraviolet (VUV) laser with $113.778$nm wavelength (10.897eV) and demonstrated its viability as a photon source for high resolution angle-resolved photoemission spectroscopy (ARPES). This sub-nanosecond…

We investigated the low-energy electronic structure of Sr2RuO4 by angle-resolved photoemission spectroscopy (ARPES) focusing, in particular, on the controversial issues of the Fermi surface (FS) topology and of the extended van Hove…

Strongly Correlated Electrons · Physics 2007-05-23 A. Damascelli , K. M. Shen , D. H. Lu , N. P. Armitage , F. Ronning , D. L. Feng , C. Kim , Z. -X. Shen , T. Kimura , Y. Tokura , Z. Q. Mao , Y. Maeno

Photoemission data taken with hard X-ray radiation on cleaved single crystals of the barium parent compound of the MFe$_2$As$_2$ pnictide high temperature superconductor family are presented. Making use of the increased bulk-sensitivity…

Superconductivity · Physics 2009-11-13 S. de Jong , Y. Huang , R. Huisman , F. Massee , S. Thirupathaiah , M. Gorgoi , R. Follath , J. B. Goedkoop , M. S. Golden

Low voltage scanning electron microscopy is a powerful tool for examining surface features and imaging beam sensitive materials. Improving resolution during low voltage imaging is then an important area of development. Decreasing the effect…

Instrumentation and Detectors · Physics 2022-12-07 Frances Quigley , Clive Downing , Cormac McGuinness , Lewys Jones

Two-dimensional (2D) materials, due to their remarkable physical and chemical properties, hold significant potential for future optical and electrical applications. In this study, the synthesis of 2D phlogopite (magnesium-rich mica) via…

We show that in the angle resolved photoemission spectroscopy (ARPES) near-surface induced fields can be useful for disentangling the surface and bulk related emission. The jump of the dielectric function at the interface results in a…

Resonant (elastic) soft x-ray scattering (RSXS) offers a unique element, site, and valence specific probe to study spatial modulations of charge, spin, and orbital degrees of freedom in solids on the nanoscopic length scale. It cannot only…

Materials Science · Physics 2013-04-12 J. Fink , E. Schierle , E. Weschke , J. Geck

For x-ray spot sizes of a few tens of microns or smaller, a mm-sized flat analyzer crystal placed ~ 1 cm from the sample will exhibit high energy resolution while subtending a collection solid angle comparable to that of a typical…

Materials Science · Physics 2009-11-13 B. Dickinson , G. T. Seidler , Z. W. Webb , J. A. Bradley , K. P. Nagle , S. M. Heald , R. A. Gordon , I. M. Chou

The concepts of spoof surface plasmon polaritons and adiabatic field compression are employed to design metallic near-field probes that allow guiding and focusing of mid-infrared wavelength electromagnetic radiation and provides…

(abbreviated) We have undertaken an X-ray survey of a far-infrared flux limited sample of seven nearby edge-on starburst galaxies. Here, we examine the two X-ray-brightest sample members NGC 253 and M 82 in a self-consistent manner, taking…

Astrophysics · Physics 2009-10-31 K. A. Weaver , T. Heckman , M. Dahlem

Using angle-resolved photoemission spectroscopy, we show that the recently-discovered surface state on SrTiO$_{3}$ consists of non-degenerate $t_{2g}$ states with different dimensional characters. While the $d_{xy}$ bands have quasi-2D…

Resonant-magnetic x-ray scattering (RMXS) near the vanadium $L_{2,3}$-absorption edges has been used to investigate the low temperature magnetic structure of high quality \bvs\ single crystals. Below $T_N$ = 31 K, the strong resonance…

Strongly Correlated Electrons · Physics 2011-04-27 Ph. Leininger , V. Ilakovac , Y. Joly , E. Schierle , E. Weschke , O. Bunau , H. Berger , J. -P. Pouget , P. Foury-Leylekian

Angle-resolved reflection and emission spectra of metal gratings consisting of sub-wavelength grooves and immersed into rhodamine B and rhodamine 19 solutions are presented. The measured reflection and emission dispersion diagrams reveal…

Optics · Physics 2015-05-20 Carola Geiger , Jochen Fick

X-ray emission spectroscopy is a well-established technique used to study continuum lowering in dense plasmas. It relies on accurate atomic physics models to robustly reproduce high-resolution emission spectra, and depends on our ability to…

Plasma Physics · Physics 2020-01-22 M. F. Kasim , J. S. Wark , S. M. Vinko

This paper reports on an XMM-Newton observation of the Seyfert 1 Galaxy Mrk 335 performed as a Target of Opportunity when the source was in an unusually low flux state. The low level of continuum emission unveiled an underlying line-rich…

Astrophysics · Physics 2009-11-13 A. L. Longinotti , A. Nucita , M. Santos-Lleo , M. Guainazzi