Transition Temperature

Transition temperature is the temperature at which a material changes from one crystal state (allotrope) to another. For example, when rhombic sulfur is heated above 96°C it changes form into monoclinic sulfur. When cooled below 96°C it reverts to rhombic sulfur.

In the case of ferroelectric or ferromagnetic crystals a transition temperature may be known as the Curie temperature.

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Other articles related to "temperature, transition temperature, temperatures":

Ceramic Materials - Properties of Ceramics - Electrical Properties - Positive Thermal Coefficient
... Increases in temperature can cause grain boundaries to suddenly become insulating in some semiconducting ceramic materials, mostly mixtures of heavy metal titanates ... The critical transition temperature can be adjusted over a wide range by variations in chemistry ... until joule heating brings it to the transition temperature, at which point the circuit will be broken and current flow will cease ...
Titanium Alloy - Transition Temperature
... structure of titanium at ambient temperature and pressure is close-packed hexagonal α phase with a c/a ratio of 1.587 ... cubic β phase which remains stable to the melting temperature ... Some alloying elements raise the alpha-to-beta transition temperature (i.e ...
Successes of The BCS Theory
... last condition is fulfilled for many low temperature superconductors - the so-called weak-coupling case ... This energy gap is highest at low temperatures but vanishes at the transition temperature when superconductivity ceases to exist ... BCS theory predicts the dependence of the value of the energy gap E at temperature T on the critical temperature Tc ...
Lipid Bilayer Phase Behavior - Physical Origins
... Thus, at a given temperature, a short-tailed lipid will be more fluid than an otherwise identical long-tailed lipid ... this would be to say that the gel to liquid phase transition temperature increases with increasing number of carbons in the lipid alkane chains ... with tails longer than 14 carbons are solid at room temperature, while those with fewer than 14 are liquid ...

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