From d254a3e3f495e9cd3110ae48020786466d850d57 Mon Sep 17 00:00:00 2001
From: Ian Jauslin <ian@jauslin.org>
Date: Tue, 14 Jun 2022 16:32:34 +0200
Subject: Initial commit

---
 figs/bilayer.fig/bilayer.tikz.tex | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 figs/bilayer.fig/bilayer.tikz.tex

(limited to 'figs/bilayer.fig/bilayer.tikz.tex')

diff --git a/figs/bilayer.fig/bilayer.tikz.tex b/figs/bilayer.fig/bilayer.tikz.tex
new file mode 100644
index 0000000..a35b039
--- /dev/null
+++ b/figs/bilayer.fig/bilayer.tikz.tex
@@ -0,0 +1,40 @@
+\documentclass{standalone}
+
+\usepackage{tikz}
+\usepackage{graphene}
+
+% reflected graphene grid at #1 of width #2 and height #3
+\def\graphenereflected#1#2#3{
+  \foreach \i in {0,...,#2}{
+    \foreach \j in {0,...,#3}{
+      \cellreflected{#1++(\i*3,-2*\j*\sqrtThOT)}
+      \cellreflected{#1++(\i*3+1.5,\sqrtThOT-2*\j*\sqrtThOT)}
+    }
+  }
+}
+\def\cellreflected#1{
+  \draw[dotted]#1--++(0:-1);
+  \draw[dotted]#1--++(120:-1);
+  \draw[dotted]#1--++(240:-1);
+  \asite{#1}
+  \draw[dotted]#1++(-1,0)--++(0:1);
+  \draw[dotted]#1++(-1,0)--++(120:1);
+  \draw[dotted]#1++(-1,0)--++(240:1);
+  \bsite{#1++(-1,0)}
+}
+\def\square#1#2{\draw#1++(-#2,-#2)--++(#2,0)--++(#2,0)--++(0,#2)--++(0,#2)--++(-#2,0)--++(-#2,0)--++(0,-#2)--++(0,-#2);}
+
+
+\begin{document}
+\begin{tikzpicture}
+  % first layer
+  \graphene{(0,0)}{3}{3}
+
+  % redefine sites for second layer
+  \def\bsite#1{\draw#1circle(.1);}
+  \def\asite#1{\square{#1}{.17}}
+
+  % second layer
+  \graphenereflected{(0,0)}{3}{3}
+\end{tikzpicture}
+\end{document}
-- 
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