This term is used to describe the amount of energy necessary for an atom, vibrating in the vicinity of a certain position in a glass-forming network, to acquire to surpass a potential barrier surrounding it and move to another position. When a group of atoms can form two or more stable configurations, the energy of vibrations needed for this group of atoms to change from a certain configuration to another is also called the activation energy. Activation energy can be determined by the temperature dependence of a property whose value is directly connected with surpassing potential barriers by atoms or ions of glass. These are the so-called transport properties.
This term is used to describe the amount of energy necessary for an atom, vibrating in the vicinity of a certain position in a glass-forming network, to acquire to surpass a potential barrier surrounding it and move to another position. When a group of atoms can form two or more stable configurations, the energy of vibrations needed for this group of atoms to change from a certain configuration to another is also called the activation energy. Activation energy can be determined by the temperature dependence of a property whose value is directly connected with surpassing potential barriers by atoms or ions of glass. These are the so-called transport properties.
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This term is used to describe the amount of energy necessary for an atom, vibrating in the vicinity of a certain position in a glass-forming network, to acquire to surpass a potential barrier surrounding it and move to another position. When a group of atoms can form two or more stable configurations, the energy of vibrations needed for this group of atoms to change from a certain configuration to another is also called the activation energy. Activation energy can be determined by the temperature dependence of a property whose value is directly connected with surpassing potential barriers by atoms or ions of glass. These are the so-called transport properties.
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