NG-1 Reflectometer Design Features Specs Vertically-focusing pyrolytic graphite monochromator Fe-Si supermirror transmission polarizer and analyzer Incident neutron wavelength λ = 4.75 A, dλ/λ as low as 1.5 % Neutron flux ~1.3x104 n/(s cm2) for 2.2' and 2.5o FWHM horizontal and vertical divergences, respectively Sensitivity to reflectivities < 10-8 Sub Å thickness resolution Measurable feature thickness ~ 15 Å to ~ 5,000 Å Polarization efficiencies as high as 98% Slit-sample distances: slit 1, 75"; slit 2, 14"; slit 3, 9", slit 4, 42" In situ capabilities Cryostats (50mK<T<675K) Magnetic fields (0 to 0.7 Telsa) Vacuum Furnaces 77K<T<2,073K Electrochemical Cells Liquid Cells Controlled Humidity Cells Laser Illumination Last modified 24-January-2008