Hyperfine-field measurements on Sc in Fe and Re in Ni

Gupta, D. K. ; Singhvi, A. K. ; Sanwal, D. N. ; Rao, G. N. (1973) Hyperfine-field measurements on Sc in Fe and Re in Ni Physical Review B: Condensed Matter and Materials Physics, 7 (7). pp. 2942-2947. ISSN 1098-0121

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Official URL: http://prb.aps.org/abstract/PRB/v7/i7/p2942_1

Related URL: http://dx.doi.org/10.1103/PhysRevB.7.2942


The hyperfine fields (Hhf) at 44Sc nuclei in an iron matrix and at 187Re nuclei in a nickel matrix are measured at room temperature using time differential perturbed (γ-γ) angular correlation technique (TDPAC). The values obtained are Hhf 44ScFe (300°K)=-94±3 kOe and Hhf 187ReNi (300°K)=-107±3 kOe. An external magnetic field of a few kOe was applied to polarize the host matrices of iron and nickel. Using the same TDPAC technique, the magnetic moments of the 68-keV state in 44Sc and of the 206-keV state in 187Re are measured. The values obtained are +(0.345±0.007)μN and +(5.04±0.14)μN, respectively. The measured hyperfine-field values are compared with the predictions of the existing models.

Item Type:Article
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ID Code:92737
Deposited On:02 Jun 2012 15:20
Last Modified:02 Jun 2012 15:20

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