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Queen’s University Selects Linkam Stages

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TADWORTH, England, Aug. 20, 2010 — For 10 years, Linkam Scientific Instruments has been used as temperature stage suppliers to Queen’s University in Canada to study the properties of ferroelectric liquid crystals.

The research program, led by Professor Robert Lemieux and his Kingston, Ontario-based team, focuses on the rational design of chiral and achiral molecular components of ferroelectric liquid crystal mixtures based on principles of self-assembly and molecular recognition.

To observe the texture changes at the SmA-SmC phase transition, the use of Linkam’s LTS-350 hot stage provides precise temperature control for the purpose of understanding the thermal properties of liquid crystals during the phase transition, which is crucial to the establishment of structure-property relationships utilized in the design of new materials with improved properties.

The LTS-350 design also makes possible the integration of thermal polarized optical microscopy with the automated liquid crystal analysis systems by LC Vision. It is used to measure the spontaneous polarization and optical tilt angle of ferroelectric SmC liquid crystals induced by a variety of chiral dopants.

Linkam develops and manufactures a range of heating and freezing stages for both OEM and end users to visualize and explore materials properties.

For more information, visit: www.linkam.co.uk 
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Published: August 2010
Glossary
chiral
Description of a particle that cannot be superimposed on its mirror image.
ferroelectric
That property of particular materials that determines that they will be polarized in one direction or the other, or reversed in direction, when a positive or negative electric field is applied, remaining so until disturbed.
liquid crystal
Liquid crystals are a state of matter that exhibits properties intermediate between those of conventional liquids and solid crystals. In a liquid crystal, the molecules are ordered like those in a crystal, but they can still flow like a liquid. This unique combination of structural order and fluidity gives liquid crystals their distinctive characteristics and makes them valuable in various technological applications, particularly in display technology. Key features and characteristics of...
polarization
Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other electromagnetic waves. In simpler terms, it describes the direction in which the electric field vector of a wave vibrates. Understanding polarization is important in various fields, including optics, telecommunications, and physics. Key points about polarization: Transverse waves: Polarization is a concept associated with transverse waves, where the oscillations occur...
achiralAmericasBusinesschiralchiral dopantcrystalsEuropeferroelectricferroelectric liquid crystal mixturefreezing stagesheating stagesLinkam Scientific Instrumentsliquid crystalLTS-350MaterialsMicroscopymolecular componentsOEMoptical microscopyoptical tiltOpticsphase transitionpolarizationpolarizedpolarized optical microscopyQueen’s UniversityRobert LemieuxSmA-SmCstagestemperaturetemperature stage suppliersTest & Measurement

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