<complexType name="ElectricChargePerAreaMeasureType">
<annotation>
<documentation>Surface charge density: Electric charge per unit area. Used in electrostatics, surface physics, and electrochemistry. Common units include C/m² (coulomb per square metre).</documentation>
</annotation>
<simpleContent>
<extension base="diggs:DescriptorValueType">
<attribute name="uom" type="diggs:ElectricChargePerAreaUomEnumType">
<annotation>
<documentation>The unit of measure for surface charge density.</documentation>
</annotation>
</attribute>
</extension>
</simpleContent>
</complexType>
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