scholarly journals Hard X-ray Magnetic Tomography: A New Technique For The Visualization Of Three Dimensional Magnetic Structures

2018 ◽  
Vol 24 (S2) ◽  
pp. 82-83
Author(s):  
Claire Donnelly ◽  
Manuel Guizar-Sicairos ◽  
Valerio Scagnoli ◽  
Sebastian Gliga ◽  
Mirko Holler ◽  
...  
1985 ◽  
Vol 1 (6) ◽  
pp. 247-249
Author(s):  
Dennis E. Paul

Until recently ultrasound imaging of the orthopedic patient has been limited. A new technique is presented here for the use of ultrasound imaging in guiding prosthetic hip joint effusion aspirations. Previously, x-ray fluoroscopy was used for these procedures. The use of ultrasound allows the examiner to directly visualize the abnormal fluid collection without using contrast injections, provides a three-dimensional orientation of the anatomy, and eliminates the x-ray exposure to the patient and the staff.


1993 ◽  
Author(s):  
Robert Austin ◽  
Takahisa Minamitani ◽  
Brian Ramsey
Keyword(s):  
X Ray ◽  

2000 ◽  
Vol 6 (3) ◽  
pp. 82-85 ◽  
Author(s):  
J.A. van Kan ◽  
T. Osipowicz ◽  
F. Watt ◽  
J. L. Sanchez

2015 ◽  
Vol 1 (9) ◽  
pp. e1500578 ◽  
Author(s):  
Wynn C. G. Ho ◽  
Cristóbal M. Espinoza ◽  
Danai Antonopoulou ◽  
Nils Andersson

Pulsars are known for their superb timing precision, although glitches can interrupt the regular timing behavior when the stars are young. These glitches are thought to be caused by interactions between normal and superfluid matter in the crust of the star. However, glitching pulsars such as Vela have been shown to require a superfluid reservoir that greatly exceeds that available in the crust. We examine a model in which glitches tap the superfluid in the core. We test a variety of theoretical superfluid models against the most recent glitch data and find that only one model can successfully explain up to 45 years of observational data. We develop a new technique for combining radio and x-ray data to measure pulsar masses, thereby demonstrating how current and future telescopes can probe fundamental physics such as superfluidity near nuclear saturation.


1996 ◽  
Vol 52 (10) ◽  
pp. 1401
Author(s):  
T Naoi ◽  
T Ugajin ◽  
Y Hishikawa ◽  
S Mori ◽  
T. Itou ◽  
...  
Keyword(s):  
X Ray ◽  

2016 ◽  
Vol 23 (5) ◽  
pp. 1210-1215 ◽  
Author(s):  
Jonathan Logan ◽  
Ross Harder ◽  
Luxi Li ◽  
Daniel Haskel ◽  
Pice Chen ◽  
...  

Recent progress in the development of dichroic Bragg coherent diffractive imaging, a new technique for simultaneous three-dimensional imaging of strain and magnetization at the nanoscale, is reported. This progress includes the installation of a diamond X-ray phase retarder at beamline 34-ID-C of the Advanced Photon Source. The performance of the phase retarder for tuning X-ray polarization is demonstrated with temperature-dependent X-ray magnetic circular dichroism measurements on a gadolinium foil in transmission and on a Gd5Si2Ge2crystal in diffraction geometry with a partially coherent, focused X-ray beam. Feasibility tests for dichroic Bragg coherent diffractive imaging are presented. These tests include (1) using conventional Bragg coherent diffractive imaging to determine whether the phase retarder introduces aberrations using a nonmagnetic gold nanocrystal as a control sample, and (2) collecting coherent diffraction patterns of a magnetic Gd5Si2Ge2nanocrystal with left- and right-circularly polarized X-rays. Future applications of dichroic Bragg coherent diffractive imaging for the correlation of strain and lattice defects with magnetic ordering and inhomogeneities are considered.


Sign in / Sign up

Export Citation Format

Share Document