The chromium spin density wave: magnetic X-ray scattering studies with polarisation analysis

2001 ◽  
Vol 20 (1) ◽  
pp. 19-25 ◽  
Author(s):  
D. Mannix ◽  
P.C. de Camargo ◽  
C. Giles ◽  
A.J.A. de Oliveira ◽  
F. Yokaichiya ◽  
...  
Keyword(s):  
Spin Density ◽  
Density Wave ◽  
Spin Density Wave ◽  
X Ray ◽  
X Ray Scattering ◽  
Polarisation Analysis ◽  
Ray Scattering

scholarly journals Spin dynamics and resonant inelastic x-ray scattering in chromium with commensurate spin-density wave order

2013 ◽  
Vol 87 (13) ◽  
Author(s):  
Koudai Sugimoto ◽  
Zhi Li ◽  
Eiji Kaneshita ◽  
Kenji Tsutsui ◽  
Takami Tohyama
Keyword(s):  
Spin Density ◽  
Spin Dynamics ◽  
Density Wave ◽  
Spin Density Wave ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

Imaging Self-Organized Domains at the Micron Scale in Antiferromagnetic Elemental Cr Using Magnetic X-ray Microscopy

2001 ◽  
Vol 690 ◽  
Author(s):  
P. G. Evans ◽  
E. D. Isaacs ◽  
G. Aeppli ◽  
Z.-H. Cai ◽  
B. Lai
Keyword(s):  
Cross Section ◽  
Density Wave ◽  
Spin Density Wave ◽  
Magnetic Scattering ◽  
Antiferromagnetic Order ◽  
X Ray ◽  
First Order ◽  
Self Organized ◽  
X Ray Scattering ◽  
Ray Scattering

ABSTRACTThe domains of antiferromagnetic order in elemental chromium can be observed with spatial resolution that is improved by orders of magnitude in comparison with previous techniques using magnetic x-ray scattering with an incident x-ray beam focused to a submicron spot. This use of magnetic x-ray microscopy takes advantage of the incommensurate spin density wave order in Cr to isolate magnetic scattering. The spin polarization dependence of the magnetic x-ray scattering cross section allows the first order spin-flip transition near 120 K to be imaged directly.

scholarly journals X-ray-scattering measurements of the transient structure of a driven charge-density wave

1994 ◽  
Vol 50 (12) ◽  
pp. 8157-8165 ◽  
Author(s):  
E. Sweetland ◽  
A. C. Finnefrock ◽  
W. J. Podulka ◽  
M. Sutton ◽  
J. D. Brock ◽  
...  
Keyword(s):  
Charge Density ◽  
Charge Density Wave ◽  
Density Wave ◽  
X Ray ◽  
X Ray Scattering ◽  
Scattering Measurements ◽  
Transient Structure ◽  
Ray Scattering

Friedel oscillations and charge density wave pinning in quasi-one dimensional conductors: Thermal effects

2002 ◽  
Vol 12 (9) ◽  
pp. 9-14
Author(s):  
J.-P. Pouget ◽  
S. Ravy ◽  
S. Rouziere ◽  
S. Brazovskii
Keyword(s):  
Charge Density ◽  
Interference Effect ◽  
Charge Density Wave ◽  
Density Wave ◽  
Thermal Dependence ◽  
One Dimensional ◽  
X Ray ◽  
Friedel Oscillations ◽  
X Ray Scattering ◽  
Ray Scattering

An original interference effect observed in one-dimensional (1D) disordered conductors between X-ray scattering due to the disorder and the charge density wave (CDW)- periodic lattice modulation (PLD) allows to study the pinning of the modulation at local scale. We apply this effect to determine the phase of the CDW at the pinning centres and to show that the response of the CDW to the impurity potential leads to the formation of Friedel oscillations (FO). We report experimental determination and quantitative interpretation of the thermal evolution of both features. The thermal dependence of the interference effect allows one to determine the pinning energy of the 2kF-CDW in the V-and W-doped blue bronzes. We show in particular that in these compounds the regular CDW is pinned to the dopant dressed by its FO. In the organic charge transfer salts irradiation leads to an enhancement of the 2kF and 4kF X-ray scattering that we show, by its thermal dependence, to be due to the formation of FO.

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