Electrical Transport and Lowered Percolation Threshold in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub>-Nano-YBa<sub>2</sub>ZrO<sub>5.5</sub> Composites

<table>Variation of (a) normal state resistivity <svg height="9.60567pt" id="M51" style="vertical-align:-3.53608pt" version="1.1" viewbox="0 -6.06959 7.30248 9.60567" width="7.30248pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M516 277C516 378 460 448 376 448C335 448 288 434 240 401C158 345 127 277 107 159C53 -161 38 -221 23 -247L28 -261C43 -260 95 -250 114 -226C122 -216 129 -199 146 -75C152 -29 157 0 164 31C182 9 206 -12 237 -12C267 -12 325 8 376 46C451 102 516 179 516 277ZM432 259C432 134 366 40 259 40C236 40 204 48 171 76L195 203C219 327 253 400 326 400C398 400 432 336 432 259Z" id="g113-239"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="539" vert-adv-y="539"></glyph.data></g></svg> and (b) temperature coefficient of resistivity <svg height="13.1824pt" id="M52" style="vertical-align:-3.53609pt" version="1.1" viewbox="0 -9.64631 95.3472 13.1824" width="95.3472pt" 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International Journal of Superconductivity

fig5

Figure 5

Figure 5: Electrical Transport and Lowered Percolation Threshold in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7−<i>δ</i></sub>-Nano-YBa<sub>2</sub>ZrO<sub>5.5</sub> Composites 

International Journal of Superconductivity

Electrical Transport and Lowered Percolation Threshold in YBa2Cu3O7−δ-Nano-YBa2ZrO5.5 Composites

Figure 5

Electrical Transport and Lowered Percolation Threshold in YBa₂Cu₃O_7−δ-Nano-YBa₂ZrO_5.5 Composites