Knight shifts for short-lived β emitters in Pt

K. Matsuta, T. Minamisono, M. Tanigaki, T. Onishi, M. Fukuda, M. Mihara, H. Akai, M. Sasaki, T. Yamaguchi, T. Miyake, K. Sato, K. Minamisono, C. Ha, K. Tanaka, K. Kidera, A. Morishita, S. Kaminaka, T. Tsubota, T. Sumikama, A. KitagawaM. Torikoshi, M. Kanazawa, T. Nishio, S. Koda, T. Ohtsubo, Y. Nojiri, S. Momota, S. S. Hanna, J. R. Alonso, G. F. Krebs, T. J.M. Symons

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8 Citations (Scopus)

Abstract

The Knight shifts K for short-lived β emitters 12N and 27Si implanted in Pt have been measured by means of β-NMR technique. The results were K(12N in Pt) = +(5.8 ± 2.1) × 10-4 and K(27Si in Pt) = +(1.4 ± 0.8) × 10-3. The spin-lattice relaxation time T1 was measured for 12N in Pt. The result was T1(12N in Pt, T = 300 K) = 66 ± 8 ms, thus, T1T = 20 ± 2 Ks. The present Knight shifts are in good agreement with the KKR band structure calculation with local lattice relaxation determined theoretically.

Original languageEnglish
Pages (from-to)719-723
Number of pages5
JournalHyperfine Interactions
Volume120-121
Issue number1-8
Publication statusPublished - 1999
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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