es of the material e.g. <code>{'H': 0.031, 'O': 0.969}</code></dd>
<dt><strong><code>thickness</code></strong> :&ensp;<code>astropy.units.Quantity</code></dt>
<dd>Thickness of the material</dd>
<dt><strong><code>density</code></strong> :&ensp;<code>astropy.units.Quantity</code></dt>
<dd>Density of the material</dd>
</dl>
<h2 id="returns">Returns</h2>
<p><code>roentgen.absorption.material.Material</code>
The material</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre