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A device for making NMR measurements in a double‐coil nuclear induction system under axial stress on single crystals in excess of 10 000 psi or hydrostatic pressure on powders, single crystals, or other materials up to 10 000 psi has been constructed of Fiberglas. This device is simple in...
A full circle goniostat is described for obtaining three‐dimensional diffraction intensity data. This instrument permits a complete 360° motion in both ϕ and χ and a limited manual ω adjustment. Electronic angle setting and readout are provided, which facilitate automatic collection of...
The monopole spectrometer uses an rf electric field between a two‐electrode configuration for analyzing ions of different e∕m . One electrode has a right‐angle cross section, the other has a circular cross section whose center is located on the bisector of the right angle. The properties of...
Flux measurements of low‐energy, neutral and charged particles provide direct knowledge of plasma composition and energy distribution. We describe a particle analyzer for the energy range between a few electron volts and several thousand electron volts, which is sensitive to single ions and has...
A high intensity molecular beam apparatus is described which is based on a supersonic stream gas source. Intensities of the order of 10 17 molecules∕cm 2 ∕sec have been achieved with nitrogen. The effects on performance of Mach number, source pressure, and geometry are summarized. Results are...
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