A soft X-ray beamline for transmission X-ray microscopy at ALBA

Abstract

The MISTRAL beamline is one of the seven phase-I beamlines at the ALBA synchrotron light source (Barcelona, Spain) that will be opened to users at the end of 2010. MISTRAL will be devoted to cryotomography in the water window and multi-keV spectral regions for biological applications. The optics design consists of a plane-grating monochromator that has been implemented using variable-line-spacing gratings to fulfil the requirements of X-ray microscopy using a reflective condenser. For instance, a fixed-focus condition independent of the included angle, constant magnification as well as coma and spherical aberration corrections are achieved with this system. The reported design is of wider use.

Photoinduced p‐ to n‐type Switching in Thermoelectric Polymer‐Carbon Nanotube Composites

“…TXM was conducted at the MISTRAL beamline at the ALBA synchrotron. [ 59,60 ] For this, samples were drop-cast onto copper grids.…”

Observation of asymmetric distributions of magnetic singularities across magnetic multilayers

“…Samples A and B were imaged at zero field by the full field transmission soft x-ray microscope of the Mistral Beam line at ALBA Synchrotron described elsewhere [28,33,34]. Element-specific magnetic dichroic images were acquired by tuning the circularly polarized photon beam energy to the Fe L 3 (706.8 eV), Nd M 4 (1000.3 eV), and Gd M 5 (1189.6 eV) atomic absorption edges in order to probe the magnetization of top, central, or bottom layers, respectively, which allowed us to image the magnetic domains at the upper, central, and lower part of the multilayer.…”

Correlative Cryogenic Spectromicroscopy to Investigate Selenium Bioreduction Products

“…By comparison, Pereiro-López et al 11 have estimated the critical radiation dose required to image frozen hydrated biological material to be ~10 9 Gy while Fayard et al 12 have…”