41A Soft X-ray Scattering

Specifications

Source:

Tandem EPU (period 48 mm)

Monochromator:

grating

bendable VLS grating, ruling density n0= 1200 grooves/mm

Energy Range:

400-1200 eV

Resolution or Resolving Power:

40,000 – 60,000 (initial target), 100,000 (final goal)

Focused Spot Size:

smallest beam size: 5 x 5 µm2 (H x V)

Flux Range (ph/s):

•Incoherent photon flux of 900 eV with 0.01% BW at the sample for RIXS ≈ 7× 1012 ph/s

•Coherent photon flux ≈ 1 × 1011 ph/s @ 900 eV with 5000 resolving power

Detector:

Electron-multiplying CCD and SDD

Cryo Capability:

Liquid He and liquid N2 cryostat

Optical Layout

r1

(m)

r2

(m)

Deviation angle

(o)

Type

Mirror Size

(L x W x H, mm3)

Substrate

Coating

HFM

(bendable)

25.805

3.100

177

Cylindrical bendable

450 x 160 x 190(with bender)

GlidCop

Au

VPM

27.005

177

Plane

140 x 30 x 50

Si

Au

VFM

(bendable)

28.205

1.000

177

Plane-aspheric bendable

186 x 45 x 10

Si

Au

AGM

(Monochromator)

4.000

2.500

174

Plane-aspheric bendable

186 x 45 x 10

Si

Au

HRFM_1

6.200

0.600

177

Plane elliptical

200 x 40 x 40

Si

Au

HRFM_2

0.750

9.500

176

Plane elliptical

400 x 40 x 40

Si

Au

AGS

(Spectrometer)

2.500

5.500

174

Plane-aspheric bendable

186 x 45 x10

Si

Au

Find a Beamline

41A Home

Specifications

Endstations

Staff

BL Schedule

Optical Layout

Techniques

Publications

Gallery


 Contacts

BL Spokesperson

—Di-Jing Huang (黃迪靖)
djhuang@nsrrc.org.tw
Ext. 7110

BL Local Contact/Manger

—Hsiao-Yu Huang (黃筱妤)
huang.hy@nsrrc.org.tw
Ext. 3264


Techniques

  • RIXS
  • Bragg CDI
  • Ptychography
  • Resonant soft X-ray scattering
  • Soft X-ray absorption

Disciplines

  • Condensed matter physics
  • Electronic excitations of strongly correlated electron systems
  • Functional materials
  • Spin, charge and orbital ordering
  • Soft X-ray imaging

General Information

  • Source: 41A
  • Energy Range: 400 - 1200 eV
  • Focused Spot Size: Smallest beam size: 5 x 5 μm² (H x V)
  • Status: commissioning







National Synchrotron Radiation Research Center

101 Hsin-Ann Road, Hsinchu Science Park, Hsinchu, Taiwan 30076

+886-3-578-0281