CrCl3 (chromium triichloride) is layered antiferromagnet which is rather easy to exfoliate down to monolayer and shows excellent environmental stability. It exhibits a magnetic ordering temperature between 14 to 17 K. CrCl3 is at the cusp of ferromagnetic ordering upon small amount of applied magnetic field strength. Moreover, recent studies have shown that CrCl3 layered crystals undergo a crystallographic phase transition near 240 K from monoclinic (C2/m) to rhombohedral (R3) at low temperatures. Our CrCl3 crystals are grown using chemical vapor transport technique without using any transport chemical agent to ensure no contamination is present. Our precursors are purified with added care to eliminate any magnetic impurities or magnetic dopants to eliminate magnetic contamination effects. All these products are handled using non-magnetic tweezers and in non-magnetic environment with tools that are free of magnetic impurities to ensure intrinsic magnetic properties can be confidently measured and probed.
The properties of layered CrCl3 crystals
Sample size | Each order contains ~0.2 grams of containing many layered clean crystals |
Material properties | Magnetic semiconductor |
Crystal structure | C2/m at high and R3 at low temperatures |
Unit cell parameters | Room temperature C2/m phase: a=0.606; b=1.05; c=0.656 β=107.15° |
Production method | Chemical vapor transport without any magnetic impurity 6N purity |
Characterization methods | SIMS, XRD, EDS, Raman (see product images) |
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