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    Materials Photo
    Zinc oxide ZnO
    Update Time : 2020-06-17 View : 1864

    Zinc oxide (ZnO) is a good GaN thin film (blue LED) substrate material, which has a 60 MeV exciton binding energy and a 3.73 EV band gap at room temperature, making it a UV and visible light-emitting material, It is expected to be widely used in high peak energy energy limiter, large diameter and high quality GaN substrate, future wireless communication beyond 5GHz, high electric field equipment, high temperature and high energy electronic devices, high electric field equipment, high temperature and high energy electronic devices, etc
    Growth method
    Hydrothermal method
    crystal structure
    Hexagons
    Lattice constant (?)
    a=3.252    c=5.313
    Crystallographic orientation
    <0001>、<11-20>、<10-10>±0.5o
    Dimension (mm)
    25×25×0.5、10×10×0.5、10×5×0.5、5×5×0.5
    Customized substrate with special direction and size according to customers' requirements
    polishing
    Single, double or cutting
    Surface roughness
    Surface roughness(Ra):<=5?
    AFM test report can be provided
    physical property
    Density (g / cm3)
    Five point seven
    Hardness (Mohs)
    Four
    Melting point (℃)
    one thousand nine hundred and seventy-five
    Coefficient of thermal expansion (/ ℃)
    6.5 x 10-6 //a, 3.7 x 10-6 //c
    Specific heat capacity (cal / g / ℃)
    zero point one two five
    Thermoelectric constant (MV / k)
    1200 @ 300℃
    Thermal conductivity (cal / cm / k)
    zero point zero zero six
    Transmission range
    0.4-0.6 um > 50% at 2mm
    packing
    Class 100 clean bag, class 1000 super clean room

           氧化锌(ZnO)是很好的GaN薄膜(蓝光LED)衬底材料,具有60mev的激子束缚能以及室温下3.73ev带隙使之成为紫外以及可见光发光材料.同时由于具有可见区透明,机电耦合系数大,能使气体分子在其表面的吸附-解析等性质,有望在高峰值能量的能量限制器、大直径高质量的GaN的衬底、未来的5GHz之外的无线通信、高电场设备、高温高能电子器件、高电场设备、高温高能电子器件等方面得到广泛应用.


    生长方法

    水热法

    晶体结构

    六方

    晶格常数(?)

    a=3.252    c=5.313

    晶向

    <0001>、<11-20>、<10-10>±0.5o

    尺寸(mm)

    25×25×0.5、10×10×0.5、10×5×0.5、5×5×0.5

    可按照客户需求,定制特殊方向和尺寸的衬底

    抛光

    单抛片、双抛片或切割片

    表面粗糙度

    Surface roughness(Ra):<=5?

    可提供原子粒显微镜(AFM)检测报告

    物理性质

    密度(g/cm3

    5.7

    硬度(mohs)

    4

    熔点(℃)

    1975

    热膨胀系数(/℃)

    6.5 x 10-6 //a, 3.7 x 10-6 //c

    比热容(Cal/g /℃)

    0.125

    热电常数(mv/k)

    1200 @ 300℃

    热导(cal/cm/k)

    0.006

    透过范围

    0.4-0.6 um > 50% at 2mm

    包装

    100级洁净袋,1000级超净室

     
      

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