Liquid Surface X-ray Scattering: Reflectometer Specifications

 

15 ID-C Liquid Surface Scattering Reflectometer Specifications

 

Energy Range:

  • 5keV – 70keV

 

Energy Accuracy (ΔE/E):

  • ~10-4

 

Undulator Source Divergence (µrad)

  • Horizontal: (2 σ´x) 23
  • Vertical: (2 σ´y) 6 – 8

 

Undulator Source Size (µm)

  • Horizontal: 2 σ´x 540
  • Vertical: 2 σ´y 17

 

Sample table specification

  • Load: 250Kg
  • Travel (vertical direction): 400mm
  • Precision: <±2µm
  • Sample tabletop dimensions: 24in x 30in

 

Table For Typical Resolutions For Different Techniques At 15 ID-C

 

Parameters

Resolution

Comments

Δk

~±10-4k (Å-1)

 Determined by the Bruker monochromator

Δα

~±10-5 (rad)

 Determined by the incoming beam parameters

Δβ

~±10-5 (rad)

 For specular reflectivity, where reflected = incoming

Δβ

~±2*10-4 (rad)

 For off-specular using Pilatus area detector

Δβ

~±5*10-5 (rad)

 For off-specular using APEX-II area detector

ΔθD

~±2*10-4 (rad)

 In-plane diffraction using Pilatus area detector

 

Contact

Yu-Sheng Chen
Advanced Crystallography
(630) 252-0471
yschen@cars.uchicago.edu

Mati Meron
Beamline Optics
(630) 252-0468
meron@cars.uchicago.edu

Wei Bu 
Beamline Scientist
(630) 252-0470
bu@cars.uchicago.edu