Isotope Effect on the Thermal Conductivity of Graphene

<div class="floats-full-page floats-full-page-figure"><h2>Figure 3</h2><div class="floats-full-page-caption"><table>(a) Phonon dispersions for <svg height="14.6" id="M35" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 22.112499 14.6" width="22.112499" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.6)">
<g transform="translate(72,-60.32)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">C</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.61,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">2</tspan>
</text>
</g>
</g>
</svg> graphene and (b) Grüneisen parameters of graphene as a function of <svg height="9.875" id="M36" style="vertical-align:-2.29482pt" version="1.1" viewbox="0 0 7.9124999 9.875" width="7.9124999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,9.875)">
<g transform="translate(72,-64.1)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑞</tspan>
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</svg> momentum for each vibration mode. <svg height="10.475" id="M37" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 9.3000002 10.475" width="9.3000002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.475)">
<g transform="translate(72,-63.62)">
<text transform="matrix(1,0,0,-1,-71.95,63.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">Γ</tspan>
</text>
</g>
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</svg>M and <svg height="10.475" id="M38" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 9.3000002 10.475" width="9.3000002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.475)">
<g transform="translate(72,-63.62)">
<text transform="matrix(1,0,0,-1,-71.95,63.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">Γ</tspan>
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</svg>K represent armchair and zigzag directions of graphene. Phonon dispersion for graphene is calculated with PHON code [<a href="../../537657/#B18">17</a>] for REBO carbon potential.</table></div><div class="floats-full-page-content"><table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="537657.fig.003a" src="https://static-01.hindawi.com/articles/jnm/volume-2010/537657/figures/537657.fig.003a.jpg" /></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b></td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="537657.fig.003b" src="https://static-01.hindawi.com/articles/jnm/volume-2010/537657/figures/537657.fig.003b.jpg" /></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b></td></tr></table></td></tr></table></div></div>

Figure 3 | Isotope Effect on the Thermal Conductivity of Graphene

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Figure 3: Isotope Effect on the Thermal Conductivity of Graphene

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Figure 3

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