Journal article Open Access

Nuclear spin coherence properties of 151Eu3+ and 153Eu3+ in a Y2O3 transparent ceramic

Karlsson, J.; Kunkel, N.; Ikesue, A.; Ferrier, A.; Goldner, P.


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{
  "DOI": "10.1088/1361-648X/aa529a", 
  "author": [
    {
      "family": "Karlsson, J."
    }, 
    {
      "family": "Kunkel, N."
    }, 
    {
      "family": "Ikesue, A."
    }, 
    {
      "family": "Ferrier, A."
    }, 
    {
      "family": "Goldner, P."
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2017, 
        2, 
        8
      ]
    ]
  }, 
  "abstract": "<p>We have measured inhomogeneous linewidths and coherence times (T<sub>2</sub>) of nuclear spin transitions in a Eu<sup>3+</sup>:Y<sub>2</sub>O<sub>3</sub> transparent ceramic by an all-optical spin echo technique. The nuclear spin echo decay curves showed a strong modulation which was attributed to interaction with Y nuclei in the host. The coherence time of the 29 MHz spin transition in <sup>151</sup>Eu<sup>3+</sup> was 16 ms in a small applied magnetic field. Temperature dependent measurements showed that the coherence time was constant up to 18 K and was limited by spin-lattice relaxation for higher temperatures. Nuclear spin echoes in <sup>153</sup>Eu<sup>3+</sup> gave much weaker signals than for the case of <sup>151</sup>Eu<sup>3+</sup>. The spin coherence time for the 73 MHz spin transition in <sup>153</sup>Eu<sup>3+</sup> was estimated to 14 ms in a small magnetic field. The study shows that the spin transitions of ceramic Eu<sup>3+</sup>:Y<sub>2</sub>O<sub>3</sub> have coherence properties comparable to the best rare-earth-doped materials available.</p>\n\n<p>These results have been highlighted in JPhys+, news and views from the Journal of Physics series (IOP):\u00a0https://jphysplus.iop.org/2017/02/09/long-spin-coherence-lifetime-in-eu3y2o3-ceramic/</p>\n\n<p>\u00a0</p>", 
  "title": "Nuclear spin coherence properties of 151Eu3+ and 153Eu3+ in a Y2O3 transparent ceramic", 
  "type": "article-journal", 
  "id": "290665"
}
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