Generation of mesoscale &amp;lt;I&amp;gt;F&amp;lt;/I&amp;gt; layer structure and electric fields by the combined Perkins and &amp;lt;I&amp;gt;E&amp;lt;sub&amp;gt;s&amp;lt;/sub&amp;gt;&amp;lt;/I&amp;gt; layer instabilities, in simulations
Annales geophysicae