materials added; sumrule corrected

libhreels/dielectrics20.py

@@ -50,11 +50,13 @@ def sigma(eps,w):
     return (eps-1)*w/1j
 
 def int_sigma(eps,w):       
+    from scipy.integrate import cumulative_trapezoid
     '''Cumulatively integrates the optical conductivity for a given eps'''
     # Note that one value less is returned than the number of w values.
     # The following factor depends on the unit cell volume:
     fac = 0.67e-06
-    return fac*cumulative_trapezoid(np.real(sigma(eps,x)), x=w)
+    xx = w
+    return fac*cumulative_trapezoid(np.real(sigma(eps,w)), x=xx)
 
 def plotDielectrics(x,eps, title=" ", plot_show=True):
     '''This method plots a given (x,eps)-dataset as Re/Im(eps), SurfaceLoss and Reflectivity 

libhreels/materials20.json

@@ -192,6 +192,15 @@
         "reference": "Irani'71, Ehrenreich'62, Furtak'75",
         "name": "Silver"
     },
+    "Ag-2": {
+        "eps": 5.0,
+        "wTO": [0],
+        "gTO": [161.0],
+        "wLO": [71800],
+        "gLO": [161.0],
+        "reference": "Yang'15",
+        "name": "Silver"
+    },
     "Pt": {
         "eps": 1.0,
         "wTO": [0],
@@ -236,6 +245,15 @@
         "gLO": [100],
         "reference": "...",
         "name": "vacuum"
+    },
+    "EuO": {
+        "eps": 4,
+        "wTO": [196 ],
+        "gTO": [ 30 ],
+        "wLO": [432 ],
+        "gLO": [ 30 ],
+        "reference": "Pradip'16",
+        "name": "EuO"
     }
 }