Bond graph - Revision history

88.160.233.152: /* International conferences on bond graph modeling (ECMS and ICBGM) */

2014-12-12T16:58:26Z

International conferences on bond graph modeling (ECMS and ICBGM)

← Older revision		Revision as of 18:58, 12 December 2014
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	~~Andrew Berryhill~~ is what his ~~spouse~~ loves ~~to contact him and he completely digs that title~~. Credit authorising is ~~how he makes money~~. ~~For many years he's been residing in Mississippi~~ and he ~~doesn~~'~~t plan on changing it. To perform domino is~~ some thing ~~I truly enjoy doing~~.<br><br>~~Here is~~ my webpage ~~... are psychics real~~ ([http://~~cartoonkorea~~.~~com~~/~~ce002~~/~~1093612 cartoonkorea.com~~])		Ed is what people call me and my spouse doesn't like it at all. Ohio is exactly where his home is and his family members loves it. Credit authorising is where my main earnings comes from. The preferred pastime for him and his children is fashion and he'll be beginning some thing else along with it.<br><br>Visit my webpage :: accurate psychic predictions ([http://modenpeople.co.kr/modn/qna/292291 talks about it])

en>Faizan: Typo fixes, typo(s) fixed: returning back → returning using AWB

2014-02-09T07:09:00Z

Typo fixes, typo(s) fixed: returning back → returning using AWB

← Older revision		Revision as of 09:09, 9 February 2014
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	~~{{Unreferenced\|date=December 2009}}~~		Andrew Berryhill is what his spouse loves to contact him and he completely digs that title. Credit authorising is how he makes money. For many years he's been residing in Mississippi and he doesn't plan on changing it. To perform domino is some thing I truly enjoy doing.<br><br>Here is my webpage ... are psychics real ([http://cartoonkorea.com/ce002/1093612 cartoonkorea.com])

	~~'''Ferroics'''~~ is ~~the generic name given~~ to ~~the study of [[ferromagnets]], [[ferroelectrics]],~~ and ~~[[ferroelastics]]~~. ~~The basis of this study~~ is ~~to understand the large changes in physical characteristics that occur over a very narrow temperature range~~. ~~The changes~~ in physical characteristics occur when [[phase transitions]] take place around some critical temperature value, normally denoted by <math>T_c</math>. Above this critical temperature, the crystal is in a nonferroic state and ~~does not exhibit the physical characteristic of interest. Upon cooling the material down below <math>T_c</math>~~ it undergoes a spontaneous [[phase transition]]. Such a [[phase transition]] typically results in only a small deviation from the nonferroic crystal structure, but in altering the shape of the [[unit cell]] the [[point symmetry]] of the material is reduced. ~~This breaking of symmetry~~ is ~~physically what allows the formation of the ferroic phase~~.

	~~In ferroelectrics, upon lowering the temperature below~~ <~~math~~>~~T_c~~<~~/math~~>~~, a spontaneous [[Polarity\|dipole moment]]~~ is ~~induced along an axis of the unit cell~~. ~~Although individual dipole moments can sometimes be small, the effect of <math>10^{24}</math> unit cells gives rise to an electric field that over the bulk substance that is not insignificant~~. ~~An important point about ferroelectrics is that they cannot exist in a '''centrosymmetric''' crystal~~. ~~A '''centrosymmetric''' crystal is one where a lattice point <math>\left~~ (~~x,y,z \right )<~~/~~math> can be mapped onto a lattice point <math>\left ( -x,-y,-z \right )<~~/~~math>~~.

	Ferromagnets is a term that most people are familiar with, and, as with ferroelastics, the spontaneous magnetization of a ferromagnet can be attributed to a breaking of point symmetry in switching from the paramagnetic to the ferromagnetic phase. In this case, <math>T_c</~~math> is normally known as the Curie Temperature~~.

	In ferroelastic crystals, in going from the nonferroic (or '''prototypic phase''') to the ferroic phase, a spontaneous strain is induced. An example of a ferroelastic [[phase transition]] is when the crystal structure spontaneously changes from a [[tetragonal]] ~~structure (a square prism shape~~) to a [[monoclinic]] structure (a general [[parallelepiped]]). Here the shapes of the unit cell before and after the [[phase transition]] are different, and hence a [[Strain (materials science)\|strain]] is induced within the bulk.

	~~In recent years a new class of ferroic materials has been attracting increased interest. These [[multiferroics]] exhibit more than one ferroic property simultaneously in a single phase.~~

	~~==See also==~~
	* [[Ferroelectric effect]]
	* [[Ferromagnetism]]
	* [[Piezoelectricity]]
	* [[Pyroelectricity]]
	* [[Ferroelasticity]]
	* [[Multiferroics]]

	~~[[Category:Condensed matter physics]]~~
	~~[[Category:Magnetic ordering]]~~

en>MaartenMJR: /* See also */

2013-11-13T16:46:25Z

See also

← Older revision		Revision as of 18:46, 13 November 2013
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	~~Wilber Berryhill~~ is the name ~~his mothers~~ and ~~fathers gave him and he completely digs~~ that ~~name~~. ~~For many years he's been residing~~ in ~~Alaska~~ and ~~he doesn't plan on altering~~ it. ~~Office supervising~~ is ~~where her main income comes from~~. ~~To climb~~ is ~~something she would by no means give up~~.<br><br>~~Here~~ is ~~my website - best psychic readings~~, ~~[http:~~/~~/help~~.~~ksu~~.~~edu.sa~~/~~node~~/~~65129 http:~~/~~/help~~.~~ksu~~.~~edu~~.~~sa/node/65129~~],		{{Unreferenced\|date=December 2009}}

			'''Ferroics''' is the generic name given to the study of [[ferromagnets]], [[ferroelectrics]], and [[ferroelastics]]. The basis of this study is to understand the large changes in physical characteristics that occur over a very narrow temperature range. The changes in physical characteristics occur when [[phase transitions]] take place around some critical temperature value, normally denoted by <math>T_c</math>. Above this critical temperature, the crystal is in a nonferroic state and does not exhibit the physical characteristic of interest. Upon cooling the material down below <math>T_c</math> it undergoes a spontaneous [[phase transition]]. Such a [[phase transition]] typically results in only a small deviation from the nonferroic crystal structure, but in altering the shape of the [[unit cell]] the [[point symmetry]] of the material is reduced. This breaking of symmetry is physically what allows the formation of the ferroic phase.

			In ferroelectrics, upon lowering the temperature below <math>T_c</math>, a spontaneous [[Polarity\|dipole moment]] is induced along an axis of the unit cell. Although individual dipole moments can sometimes be small, the effect of <math>10^{24}</math> unit cells gives rise to an electric field that over the bulk substance that is not insignificant. An important point about ferroelectrics is that they cannot exist in a '''centrosymmetric''' crystal. A '''centrosymmetric''' crystal is one where a lattice point <math>\left (x,y,z \right )</math> can be mapped onto a lattice point <math>\left ( -x,-y,-z \right )</math>.

			Ferromagnets is a term that most people are familiar with, and, as with ferroelastics, the spontaneous magnetization of a ferromagnet can be attributed to a breaking of point symmetry in switching from the paramagnetic to the ferromagnetic phase. In this case, <math>T_c</math> is normally known as the Curie Temperature.

			In ferroelastic crystals, in going from the nonferroic (or '''prototypic phase''') to the ferroic phase, a spontaneous strain is induced. An example of a ferroelastic [[phase transition]] is when the crystal structure spontaneously changes from a [[tetragonal]] structure (a square prism shape) to a [[monoclinic]] structure (a general [[parallelepiped]]). Here the shapes of the unit cell before and after the [[phase transition]] are different, and hence a [[Strain (materials science)\|strain]] is induced within the bulk.

			In recent years a new class of ferroic materials has been attracting increased interest. These [[multiferroics]] exhibit more than one ferroic property simultaneously in a single phase.

			==See also==
			* [[Ferroelectric effect]]
			* [[Ferromagnetism]]
			* [[Piezoelectricity]]
			* [[Pyroelectricity]]
			* [[Ferroelasticity]]
			* [[Multiferroics]]

			[[Category:Condensed matter physics]]
			[[Category:Magnetic ordering]]

en>Lotje: Filling in 1 references using Reflinks

2012-08-28T09:46:23Z

Filling in 1 references using Reflinks

New page

Wilber Berryhill is the name his mothers and fathers gave him and he completely digs that name. For many years he's been residing in Alaska and he doesn't plan on altering it. Office supervising is where her main income comes from. To climb is something she would by no means give up.<br><br>Here is my website - best psychic readings, [http://help.ksu.edu.sa/node/65129 http://help.ksu.edu.sa/node/65129],