| 31. | When a sample is cooled below the Curie temperature, for example, the equilibrium domain configuration simply appears.
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| 32. | The dashed lines shows the behaviour of a regular ferroelectric material with a ferroelectric instability at the Curie temperature.
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| 33. | Below the Curie temperature, the atoms are aligned and parallel, causing spontaneous magnetism; the material is ferromagnetic.
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| 34. | Composite materials, that is, materials composed from other materials with different properties, can change the Curie temperature.
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| 35. | The maximum operating temperature is limited by the Curie temperature of the used piezoelectric ceramic and may exceed + 250C.
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| 36. | Ferrite above the critical temperature A 2 ( Curie temperature ) of, where it is paramagnetic rather than ferromagnetic.
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| 37. | This is similar to the Curie temperature as above the N�el Temperature the material undergoes a phase transition and becomes paramagnetic.
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| 38. | Neodymium magnets have higher remanence, much higher coercivity and energy product, but often lower Curie temperature than other types.
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| 39. | The transition from antiferromagnetic to paramagnetic ( or vice versa ) occurs at the N�el temperature which is analogous to Curie temperature.
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| 40. | As the crystal is cooled below the Curie temperature, it shifts gradually into a more and more non-centrosymmetric configuration.
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