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<table>The temperature dependence of <svg height="11.9625" id="M88" style="vertical-align:-3.3907pt" version="1.1" viewbox="0 0 12.7375 11.9625" width="12.7375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,7.037,11.762)"><path d="M393 379q-9 -16 -28 -29q-15 -10 -23 -2q-19 19 -36 19q-21 0 -52 -38q-57 -72 -82 -126l-40 -197q-23 -3 -75 -18l-7 7q49 196 74 335q7 43 -2 43q-7 0 -30 -14.5t-47 -37.5l-16 23q37 42 82 73t67 31q41 0 15 -113l-11 -50h4q41 71 85 117t77 46q29 0 45 -26
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</svg> and tan <i>δ</i> of [<svg height="11.2625" id="M89" style="vertical-align:-0.273pt" version="1.1" viewbox="0 0 34.287498 11.2625" width="34.287498" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> (BLNLT)-<svg height="8.4250002" id="M90" style="vertical-align:-0.273pt" version="1.1" viewbox="0 0 8.5874996 8.4250002" width="8.5874996" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>(BT)] system for samples <svg height="11.2625" id="M91" style="vertical-align:-0.273pt" version="1.1" viewbox="0 0 36.174999 11.2625" width="36.174999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>, 0.02, and 0.06 at 1 kHz, 10 kHz, and 100 kHz.</table>

Advances in Materials Science and Engineering

fig3

Figure 3

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Advances in Materials Science and Engineering

Dielectric and Ferroelectric Properties of Lead-Free Ceramic System

Figure 3