基于蓝宝石衬底的全区域覆盖的少层二硒化铂
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- 公司名称 上海巨纳科技有限公司
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联系方式:袁经理 13761090949 查看联系方式
联系我们时请说明是仪器网上看到的信息,谢谢!
This product contains full area coverage PtSe2 layers (single/multi) on c-cut sapphire substrates.
This product contains full area coverage PtSe2 layers (single/multi) on c-cut sapphire substrates. Sample size measures 1cm in size and the entire sample surface contains PtSe2 sheets. Synthesized full area coverage PtSe2 is highly crystalline, some regions also display significant crystalline anisotropy.
Sample Properties.
Sample size | 1cm x 1cm square shaped |
Substrate type | Sapphire c-cut (0001) |
Coverage | Full coverage (mostly few-layers) |
Electrical properties | Semi-metal |
Crystal structure | Hexagonal Phase |
Unit cell parameters | a = b = 0.372 nm, c = 0.508 nm, α = β = 90°, γ = 120° |
Production method | Low Pressure Chemical Vapor Deposition (LPCVD) |
Characterization methods | Raman, angle resolved Raman spectroscopy, photoluminescence, absorption spectroscopy TEM, EDS |
Specifications
1) Full coverage * monolayer PtSe2 uniformly covered across c-cut sapphire
2) One centimeter in size. Larger sizes up to 2-inch wafer-scale available upon requests.
3) Atomically smooth surface with roughness < 0.15 nm.
4) Highly uniform surface morphology. PtSe2 monolayers uniformly cover across the sample.
5) 99.9995% purity as determined by nano-SIMS measurements
6) Repeatable Raman and photoluminescence response
7) High crystalline quality, Raman response, and photoluminescence emission comparable to single crystalline monolayer flakes.
8) c-cut Sapphire but our research and development team can transfer PtSe2 monolayers onto variety of substrates including PET, quartz, and SiO2/Si without significant compromisation of material quality.
9) PtSe2 monolayers do not contain intentional dopants or defects. However, our technical staff can produce defected PtSe2 using α-bombardment technique.
Supporting datasets [for * Full area PtSe2 monolayers on c-cut Sapphire]
Transmission electron images (TEM) acquired from CVD grown full area coverage PtSe2 monolayers on c-cut sapphire confirming high crystallinity
Raman spectroscopy measurement confirm monolayer nature of the CVD grown samples and shows the high crystallinity of the CVD samples. PL spectrum does not show any PL signal due to indirect band nature.
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