The observation of an electric quadrupole interaction on dilute impurities of192Ir in nickel using nuclear magnetic resonance on oriented nuclei

1972 ◽  
Vol 5 (22) ◽  
pp. L303-L306 ◽  
Author(s):  
P D Johnston ◽  
N J Stone
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Quadrupole Interaction ◽  
Electric Quadrupole ◽  
Electric Quadrupole Interaction ◽  
Nuclear Magnetic

Nuclear Magnetic Resonance in Solid Zinc

1979 ◽  
Vol 34 (8) ◽  
pp. 1029-1030 ◽  
Author(s):  
H. Herberg ◽  
J. Abart ◽  
J. Voitländer
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Spin Echo ◽  
Relaxation Times ◽  
Lattice Relaxation ◽  
Electric Quadrupole ◽  
Quadrupole Coupling Constant ◽  
Spin Lattice Relaxation ◽  
Electric Quadrupole Interaction ◽  
Nuclear Magnetic

AbstractThe nuclear magnetic resonance of 67Zn in hexagonal close-packed Zn metal has been observed at 4.2 K by pulsed NMR with three different frequencies. The spin echo profile showed a well resolved powder pattern due to electric quadrupole interaction. The quadrupole coupling constant was determined to be e2 q Q/h = 12.0 (4) MHz. The spin-spin and spin-lattice-relaxation times were measured to be T2 = 58 ± 2 ms and T1 = 0.45 ± 0.2 s, respectively. The isotropic Knight shift is found to have the value Kiso = 0.1 ± 0.05%.

23Na Nuclear Magnetic Resonance Study of the Structure and Dynamic of Natrolite

2015 ◽  
Vol 70 (4) ◽  
pp. 295-300 ◽  
Author(s):  
Mateusz Paczwa ◽  
Aleksej A. Sapiga ◽  
Marcin Olszewski ◽  
Nikolaj Sergeev ◽  
Aleksej V. Sapiga
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Lattice Relaxation ◽  
Magic Angle Spinning ◽  
Spin Lattice Relaxation ◽  
Magic Angle ◽  
Electric Quadrupole Interaction ◽  
Spin Lattice ◽  
Temperature Dependences ◽  
Nuclear Magnetic

AbstractThe temperature dependences of nuclear magnetic resonance (NMR) and magic angle spinning (MAS) NMR spectra of 23Na nuclei in natrolite (Na2Al2Si3O10·2H2O) have been studied. The temperature dependences of the spin-lattice relaxation times T1 in natrolite have also been studied. It has been shown that the spin-lattice relaxation of the 23Na is governed by the electric quadrupole interaction with the crystal electric field gradients modulated by translational motion of H2O molecules in the natrolite pores. The dipolar interactions with paramagnetic impurities become significant as a relaxation mechanism of the 23Na nuclei only at low temperature (<270 K).

A nuclear magnetic resonance study of InBi single crystals

1980 ◽  
Vol 58 (6) ◽  
pp. 900-904
Author(s):  
N. Kaplan ◽  
S. N. Sharma ◽  
D. Ll. Williams
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Quadrupole Interaction ◽  
Direct Determination ◽  
Nuclear Magnetic Resonance Study ◽  
Magnetic Resonance Study ◽  
Temperature Range ◽  
Knight Shifts ◽  
Nuclear Magnetic

A nuclear magnetic resonance study of 115In in a single crystal of InBi has enabled the direct determination of the isotropic and anisotropic Knight shifts as well as the quadrupole interaction over the temperature range between 1.2 K and room temperature. An essentially linear variation with temperature is obtained for all three parameters with both the quadrupole interaction and the isotropic Knight shifts undergoing sign reversals in this temperature range. Comparisons are made with earlier nmr and time differential perturbed angular correlation (TDPAC) studies as well as with band structure predictions.

A nuclear magnetic resonance investigation of the crystal structure of LaF3

1968 ◽  
Vol 127 (5-6) ◽  
Author(s):  
L. O. Andersson ◽  
W. G. Proctor
Keyword(s):  
Crystal Structure ◽  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Electric Quadrupole ◽  
Electric Quadrupole Moment ◽  
Crystalline Electric Field ◽  
Resonance Investigation ◽  
Nuclear Magnetic Resonance Investigation ◽  
Magnetic Resonance Investigation ◽  
Nuclear Magnetic

AbstractThe perturbation upon the nuclear magnetic resonance (NMR) frequency of a nucleus due to the interaction between the gradient of the crystalline electric field and the electric quadrupole moment or the nucleus makes it possible to determine the symmetry of its surroundings. Measurements on La

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