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Intrinsic properties are dependent mainly on the fundamental chemical composition and structure of the material. [1] Extrinsic properties are differentiated as being dependent on the presence of avoidable chemical contaminants or structural defects. [2]
The intrinsic properties of something depend only on that thing; whereas the extrinsic properties of something may depend, wholly or partly, on something else. If something has an intrinsic property, then so does any perfect duplicate of that thing; whereas duplicates situated in different surroundings will differ in their extrinsic properties.
The ratio of two extensive properties of the same object or system is an intensive property. For example, the ratio of an object's mass and volume, which are two extensive properties, is density, which is an intensive property. [9] More generally properties can be combined to give new properties, which may be called derived or composite properties.
A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.
Impure properties are properties that, unlike pure properties, involve reference to a particular substance in their definition. [14] So, for example, being a wife is a pure property while being the wife of Socrates is an impure property due to the reference to the particular "Socrates". [ 15 ]
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An intrinsic semiconductor, also called a pure semiconductor, undoped semiconductor or i-type semiconductor, is a semiconductor without any significant dopant species present. The number of charge carriers is therefore determined by the properties of the material itself instead of the amount of impurities.