Metal-Insulator Transition Temperatures and Excitonic Phases in Vanadium Oxides

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left">Oxide</td><td align="center"><svg height="14.3375" id="M74" style="vertical-align:-3.21404pt" version="1.1" viewbox="0 0 12.7625 14.3375" width="12.7625" xmlns="http://www.w3.org/2000/svg">
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</svg></span></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">VO</td><td align="center">Metal</td><td align="center">—</td><td align="center">—</td></tr><tr><td align="left">V<sub>2</sub>O<sub>3</sub></td><td align="center">150</td><td align="center">0.462</td><td align="center">1.14</td></tr><tr><td align="left">V<sub>3</sub>O<sub>5</sub></td><td align="center">450</td><td align="center">0.505</td><td align="center">0.97</td></tr><tr><td align="left">V<sub>4</sub>O<sub>7</sub></td><td align="center">240</td><td align="center">0.526</td><td align="center">1.19</td></tr><tr><td align="left">V<sub>5</sub>O<sub>9</sub></td><td align="center">130</td><td align="center">0.541</td><td align="center">1.41</td></tr><tr><td align="left">V<sub>6</sub>O<sub>11</sub></td><td align="center">170</td><td align="center">0.551</td><td align="center">1.35</td></tr><tr><td align="left">V<sub>7</sub>O<sub>13</sub></td><td align="center">Metal</td><td align="center">0.560</td><td align="center">5 (for <svg height="14.7" id="M78" style="vertical-align:-3.21404pt" version="1.1" viewbox="0 0 51.6875 14.7" width="51.6875" xmlns="http://www.w3.org/2000/svg">
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</svg> K)</td></tr><tr><td align="left">V<sub>8</sub>O<sub>15</sub></td><td align="center">70</td><td align="center">0.565</td><td align="center">1.67</td></tr><tr><td align="left">VO<sub>2</sub></td><td align="center">340</td><td align="center">0.616</td><td align="center">1.25</td></tr><tr><td align="left">V<sub>6</sub>O<sub>13</sub></td><td align="center">150</td><td align="center">0.714</td><td align="center">1.67</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Table 1

Table 1: Metal-Insulator Transition Temperatures and Excitonic Phases in Vanadium Oxides 