Electric quadrupole interaction of181Ta in Pd and Zn |
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Authors: | A K Bhati N Aggarwal S C Bedi H S Hans |
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Institution: | (1) Department of Physics, Panjab University, 160014 Chandigarh, India |
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Abstract: | A strong electric field gradient (EFG) has been observed at181 Ta in Pd and Zn metals using DPAC technique. The value of the EFG in Pd is found to be 12.5(8)×1017 V/cm2 with an asymmetry parameter () of 0.33(2). The value of the EFG in Zn has the same value as in the Pd metal, but the asymmetry parameter has the value 0.36(3). The variation of EFG in Pd with temperature has shown a weak dependence. The results are interpreted in terms of oxygen trapping at Hf atoms during the sample preparation. |
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