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| Codex / Newsletter Blog #18 / March 2020 |
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| If you want to catch more light, twist it |
A Special Class of Materials Known as “Weyl semiimeals” have unusual physical property. In these Materials, Researchers can separate Electrons by their “Handedness.” That's where the Electrons 'Magnetic Moment is in the same direction as the electrons' Movement or the opposite direction.
This results in a host of unique phenomena that researchers can use to turn infrared light into electricity and development very fast electronic circuits. |
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| The importance of a sapphire viewport in a hv or uhv |
| T is vital for the procedure in-situ to be observed in mary high vacuum and ultra-high vacuum (HV/UHV) Process. The Challenge is that any optical component must Penetrate the hermetically sealed chamber but not compromise the quality of the vacuum. |
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| 2d Materials from Layered van der Waals (VDW) Crystals |
Scientists Developed New Method to Isolate Atomic Sheets and Create New Materials Two-Dimensions from Layered Van der Waals (VDW) Crystals Hold Great Promise for Electronic, Opotoelectronic, and Quantum Devices, But Making/Manufacturing Them Has Been Limited by High-Throughput Techniques for Exfoliating Single-Crystal Monolayers With Sufficient Size and High Quality.
Columbia University Researchers Report in Science ("Disassle 2D van der Waals Crystals Into Macroscopic Monolayers and re -resemblans Into Artificial Lattices") that they have invented a new method ... |
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| Stretched to the Limit and Sparkling on Curved Surfaces |
Two-dimensional (2D) Materials COULD Offer New Building Blocks for Future Technologies-But Only If Scientists Can Control Growth and Properties. Strain, caused by “stretching” or “bunching” the atomic structure as a crystal grows, is one way to control these properies.
Scientists Grew Tungsten Disulfide 2D Crystals Over Donut Shapes. With this Approach, They Created Strain That Change the Materials' Growth Dynamics ... |
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| Interview / International Codex news |
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| 3 Questions to Maryline Nasr, Cibox project manager in Crismat in Caen |
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Hello Maryline, since January 2020 you have been project manager of the CIBOX program in partnership between the Crismat and Codex International laboratory. Could you remind us of the main challenges of this program? |
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