Blue phase: Difference between revisions

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The liquid crystalline '''blue phase''' is encountered between the isotropic and the [[Chiral phases |chiral nematic phase]]. It usually occupies a narrow range of temperatures, for example, in the range of a half to two degrees. However, in 2005 Coles and Pivnenko (Ref. 4) described a mixture that has a range of stability of 44 degrees.
The liquid crystalline '''blue phase''' is encountered between the isotropic and the [[Chiral phases |chiral nematic phase]]. It usually occupies a narrow range of temperatures, for example, in the range of a half to two degrees. However, recently this range has been expanded by an order of magnitude <ref>[http://dx.doi.org/10.1038/nmat712 Hirotsugu Kikuchi, Masayuki Yokota, Yoshiaki Hisakado, Huai Yang and Tisato Kajiyama "Polymer-stabilized liquid crystal blue phases", Nature Materials '''1''' pp. 64-68 (2002)]</ref> <ref> [http://dx.doi.org/10.1038/nature03932 Harry J. Coles and Mikhail N. Pivnenko "Liquid crystal 'blue phases' with a wide temperature range", Nature '''436''' pp. 997-1000 (2005)]</ref>.
==BP I<sup>*</sup>==  
==BP I<sup>*</sup>==  
==BP II<sup>*</sup>==  
==BP II<sup>*</sup>==  
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Also known as ''blue fog''.
Also known as ''blue fog''.
==References==
==References==
#[http://dx.doi.org/10.1080/02678298608086486 H. Stegemeyer,  TH. Blümel,  K. Hiltrop,  H. Onusseit and F. Porsch "Thermodynamic, structural and morphological studies on liquid-crystalline blue phases", Liquid Crystals '''1''' pp. 3-28 (1986)]
<references/>
#[http://dx.doi.org/10.1103/RevModPhys.61.385    David C. Wright  and N. David Mermin "Crystalline liquids: the blue phases", Reviews of Modern Physics '''61''' 385-432 (1989)]
'''Related reading'''
#[http://dx.doi.org/10.1007/b97374 Peter Crooker "Blue Phases", in "Chirality in Liquid Crystals" pp. 186-222 Springer New York (2001)]
*[http://dx.doi.org/10.1080/02678298608086486 H. Stegemeyer,  TH. Blümel,  K. Hiltrop,  H. Onusseit and F. Porsch "Thermodynamic, structural and morphological studies on liquid-crystalline blue phases", Liquid Crystals '''1''' pp. 3-28 (1986)]
#[http://dx.doi.org/10.1038/nature03932 Harry J. Coles and Mikhail N. Pivnenko "Liquid crystal 'blue phases' with a wide temperature range", Nature '''436''' pp. 997-1000 (2005)]
*[http://dx.doi.org/10.1103/RevModPhys.61.385    David C. Wright  and N. David Mermin "Crystalline liquids: the blue phases", Reviews of Modern Physics '''61''' 385-432 (1989)]
*[http://dx.doi.org/10.1007/b97374 Peter Crooker "Blue Phases", in "Chirality in Liquid Crystals" pp. 186-222 Springer New York (2001)]  
[[Category: Liquid crystals]]
[[Category: Liquid crystals]]

Latest revision as of 13:06, 28 September 2009

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The liquid crystalline blue phase is encountered between the isotropic and the chiral nematic phase. It usually occupies a narrow range of temperatures, for example, in the range of a half to two degrees. However, recently this range has been expanded by an order of magnitude [1] [2].

BP I*[edit]

BP II*[edit]

BP III*[edit]

Also known as blue fog.

References[edit]

Related reading