X-ray Physics, University of Helsinki

Division of X-ray Physics

Information:

Contact information:

P.O.Box 64
(Gustaf Hällströmin katu 2a)
FI-00014 University of Helsinki
Phone +358 9 191 50636
Telefax +358 9 191 50639

Spectrometers

W Ka₁ spectrometer
Inelastic scattering & energy dispersive diffraction

160 kV x-ray generator (Philips MG163), W-anode x-ray tube
Ge(400) monochromator to produce W Ka₁ (59.32 keV)
Ge solid state detector, Tennelec 244 PUR-amplifier
Amptek XR-100T detector (Si-PIN photodiode)
motorized x-z positioning table (Parker/Daedal),
2-circle goniometer (Siemens)
PC-based motion control (Oregon Micro Systems PC48-4) and data acquisition systems (Nucleus MCA-card)
SPEC software

2-crystal spectrometer
Reflectivity curve measurements, 10 nanorad angular resolution

Siemens K710H x-ray generator, Mo-anode x-ray tube
goniometers (Huber 410, 408), translation stages (Huber 5101.2, Newport VM25.4PP)
Si(333) monochromator, Si(333) analyzer
NaI(Tl) scintillation detector
PC-based motion control (Oregon Micro Systems PC48-8) and data acquisition systems (Keithley Metrabyte CTM-10)
SPEC software

Experimental facilities

Introduction

ESRF, Grenoble, France

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