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Molybdenum Disulfide (MoS₂) - Large 15x20mm
Original price was: $1,000.00.$760.00Current price is: $760.00.
Molybdenum Disulfide (MoS₂) - Medium 15x10mm
Original price was: $500.00.$275.00Current price is: $275.00.
Molybdenum Ditelluride (2H MoTe₂)
Original price was: $1,000.00.$770.00Current price is: $770.00.
2H semiconducting phase of MoTe2 crystals contain layers that are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers. Our large size 2H-MoTe2 vdW crystals are…
Description
Growth method matters> Flux zone or CVT growth method? Contamination of halides and point defects in layered crystals are well known cause for their reduced electronic mobility, reduced anisotropic response, poor e-h recombination, low-PL emission, and lower optical absorption. Flux zone technique is a halide free technique used for synthesizing truly semiconductor grade vdW crystals. This method distinguishes itself from chemical vapor transport (CVT) technique in the following regard: CVT is a quick (~2 weeks) growth method but exhibits poor crystalline quality and the defect concentration reaches to 1E11 to 1E12 cm-2 range. In contrast, flux method takes long (~3 months) growth time, but ensures slow crystallization for perfect atomic structuring, and impurity free crystal growth with defect concentration as low as 1E9 – 1E10 cm-2. During check out just state which type of growth process is preferred. Unless otherwise stated, 2Dsemiconductors ships Flux zone crystals as a default choice.
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