Experimental Station 8-2

Beam line 8-2 can be used to probe a wide range of core levels using photoemission and x-ray absorption spectroscopies. At BL 8-2, currently only one end-stations is available for the general user program. The first end-station is a high throughput setup for soft x-ray spectroscopy measurement – upgrades in progress include a fixed position multipurpose chamber with a load lock system for high throughput sample loading, capable of probing a wide range of materials with absorption and photoemission techniques. 

Supported Techniques
X-ray Absorption Spectroscopy
Photoemission spectroscopy
Soft x-ray absorption spectroscopy (Electron yield and Fluorescence yield)
Main Scientific Disciplines
Condensed Matter Physics
Energy Science
Materials Sciences
Beam Line Specifications


Bending magnet, 4.0 mrad acceptance

  Energy Range Resolution ΔE/E Spot Size Flux (ph/sec)
Focused 100 - 1300 eV ≥ 4 X 10-4 > 0.1 X 0.1 mm2 1 X 1010



  • M0: horizontal deflecting, flat, water-cooled
  • M1: vertical focusing 10:1, elliptically cylinder
  • Monochromator: 6 m spherical grating monochromator
  • M3: horizontal refocusing 1:1, cylinder
  • M4: vertical refocusing 1:1, cylinder




Spectroscopy endstation

  • Cylindrical mirror analyzer
  • Photodiode for fluorescence yield (FY)
  • Total electron yield (TEY)
  • High throughput load-lock system
Sample Environment
  • UHV
  • Controlling sample temperature: N/A - fixed temperature at 300 K
  • Sample size < 15 x 15 mm2
Data Acquisition and Analysis
  • SPEC
  • Igor Pro
  • PyMCA
Beam Line Phone
650-926-5282. On-site Users: Contact the Duty Operator at 9-926-4040
Beam Line Contact

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