Accession Number : AD0637841

Title :   A PULSED NUCLEAR MAGNETIC RESONANCE APPARATUS WITH CRYOSTAT FOR LOW TEMPERATURE MEASUREMENTS.

Descriptive Note : Interim rept.

Corporate Author : NORTH CAROLINA UNIV CHAPEL HILL

Personal Author(s) : Tarr,C. E. ; Stacey,L. M.

Report Date : 1965

Pagination or Media Count : 33

Abstract : The report describes the construction and operating procedure of a pulsed nuclear resonance apparatus designed to measure the spin-lattice relaxation times in alkali halide crystals at low temperatures. A description of the cryogenics is included. The transmitter is capable of producing short, fast-rising rf pulses having a broad frequency spectrum and the receiver has a short recovery time. The apparatus as a whole is stable enough to measure the long relaxation times at low temperatures.

Descriptors :   (*NUCLEAR MAGNETIC RESONANCE, INSTRUMENTATION), (*CRYOGENICS, NUCLEAR MAGNETIC RESONANCE), (*ALKALI METAL COMPOUNDS, NUCLEAR MAGNETIC RESONANCE), HALIDES, CRYSTALS, MICROWAVE SPECTROSCOPY, CIRCUITS

Subject Categories : Test Facilities, Equipment and Methods
      Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE