场发射显微镜

  • 网络field emission microscope;fem;FESEM
场发射显微镜场发射显微镜
  1. 由AppleⅡ微机控制的探孔场发射显微镜系统已研制成功,并可用其测量单个晶面的逸出功。

    A probe-hole field emission microscope system controlled by the Apple H computer has been developed and operated successfully for measuring work function of single crystal plane .

  2. 用探孔场发射显微镜研究了氧在W(100)面和W(111)面上的吸附和解吸过程。

    Adsorption and desorption of oxygen on the W ( 100 ) and the W ( 111 ) planes have been studied by using a prob - hole field emission microscope .

  3. 利用场发射显微镜和四极质谱计研究了充入高纯O2的四极质谱和O2对单壁碳纳米管场发射的影响。

    Influence of oxygen on the field emission of single-walled carbon nanotubes ( SWCNTs ) was studied using a field-emission microscope ( FEM ) and a quadrupole mass spectrometer .

  4. 利用场发射显微镜研究了单壁碳纳米管(SWCNTs)的场发射特性。

    The field emission properties of single-walled carbon nanotubes ( SWCNTs ) were investigated with field emission microscopy .

  5. 在1×10-6~10-5Pa环境压强下,经过高温退火处理,在钨针尖上形成了碳化钨薄膜,利用场发射显微镜观察到清楚的钨单晶基底上碳化钨薄膜的场发射图像;

    Under pressure of 1 × 10 - 6 ~ 10 - 5 Pa , a thin film of tungsten carbide is formed on the surface of tungsten tip of field emission microscopy after certain annealing treatment .

  6. 利用场发射显微镜测算碳化钨薄膜的逸出功

    Work Function of Tungsten Carbide Thin Film Calculated Using Field Emission Microscopy

  7. 利用场发射显微镜研究表面吸附

    Surface Adsorption Studied by Field-Emission Microscope

  8. 场发射显微镜模式,可以研究针形样品的场发射特性。

    Field Emission Microscope mode , in which the field emission ability of the tip-shaped samples are investigated .

  9. 研制了一台集低能电子点源显微镜和场发射显微镜于一体的设备。

    A facility has been developed that can function as a low-energy electron point source ( LEEPS ) microscope or a field-emission microscope ( FEM ) .

  10. 探孔场发射显微镜可以观测样品的场发射图象,又能测量局域场发射电流和总场发射电流与电压的关系。

    A probe-hole Field Emission Microscope ( FEM ) features the capability of measuring the respective dependence of local and total field emission currents on applied voltage .

  11. 采用X射线衍射,场发射电子显微镜,交流梯度样品磁强计等方法研究了在富稀土情况下,磁场热处理对薄膜结构特性,微观结构及磁性能的影响。

    Structural characterization , magnetic measurement and microstructure observation were carried out by X-ray diffractometer , AC grads sample magnetometer , field emission scan electronic microscope , respectively .

  12. 本文报导了通过测量场发射电子显微镜(FEM)分辨率,来测定场发射电子枪亮度的新方法。与考虑了系统像差影响的球&锥面模型理论的计算结果进行了比较,二者结果基本一致。

    A new method measuring the brightness of field emission electron gun by measuring the resolution of field emission electron microscope ( FEM ) is reported .

  13. 场发射电子显微镜(FESEM)表明PVA/SiO2(质量比)为4比1时,纤维光滑,分散比较均匀。

    FESEM revealed that when PVA / SiO2 ( mass ratio ) was 4 / 1 , the fibers smoothed and uniformed .

  14. 通过X射线衍射、透射电子显微镜、场发射扫描电子显微镜、能量色散谱以及氮吸附-脱附等温线对纳米微粒进行表征。

    This novel nanostructure was characterized by XRD , TEM , FESEM , EDS and nitrogen adsorption-desorption isotherms .

  15. 薄膜的微结构、表面形貌和光学性质等分别采用X射线衍射、场发射扫描电子显微镜、原子力显微镜和紫外可见近红外分光光度计等观察和测量。

    The microstructure , morphology and optical properties of the films were investigated by X-ray diffraction , field-emission scanning electron microscope and optical transmittance .

  16. 使用扫描电子显微镜、场发射扫描电子显微镜、X射线衍射、X射线光电子能谱对样品的结构和形貌进行了表征。

    SEM , Field-emission scanning electron microscope ( FESEM ), XRD , and X-ray photoelectron spectroscopy ( XPS ) have been utilized to characterize the samples .

  17. LEOSUPRA系列热场发射扫描电子显微镜

    LEO SUPRA series of field emission scanning electron microscopes

  18. 采用X射线衍射仪、透射电子显微镜/X射线能谱、场发射扫描电子显微镜等研究了釉的显微结构及分相与析晶的形成机理。

    The microstructure of the glazes and their formation mechanism of phase-separation and crystallization were studied by X-ray diffraction , transmission electron microscopy / energy dispersive spectrometry and field emission-scanning electron microscopy .

  19. 通过场发射扫描电子显微镜(SEM)表征了纳米管阵列表面的网状结构和纳米管的孔径等。

    The structural characterization including the network like structure surface of the nanotube arrays and the diameter of the nanotubes was carried out by field emission scanning electron microscopy ( SEM ) .

  20. 分别采用场发射扫描电子显微镜和小掠射角X射线衍射方法研究了涂层横截面的形貌和晶体结构,并对涂层的纳米硬度和摩擦性能进行了表征。

    The cross-section morphology and microstructure of the coatings were studied by field emission scanning electron microscopy and glancing angle X-ray diffraction respectively , and the nano-hardness and friction behavior of the coatings were also characterized .

  21. 并利用场发射扫描电子显微镜对试样的冲击断面进行了微观结构分析,发现纳米Al2O3经乳液聚合改性后在基体中分散良好,起到很好的增强增韧作用。

    The FE-SEM micrograph analysis results showed that the nano-Al_2O_3 modified by emulsion polymerization dispersed well in matrix , and it served the function of toughening and strengthening .

  22. 我们利用场发射扫描电子显微镜(FESEM)对所有样品进行了优化和表征。

    We used field emission scanning electron microscope ( FESEM ) to all samples optimized and characterized .

  23. 并采用场发射扫描电子显微镜、X射线衍射、X射线光电子谱对其表面形貌结构、物相结构、成分进行了表征。

    The morphology , crystalline structure , and composition of the as-grown specimens were characterized by using of field-emission scanning electron microscopy ( FE-SEM ), X-ray diffraction ( XRD ) and X-ray photoelectron spectroscopy ( XPS ), respectively .

  24. 场发射扫描电子显微镜(FESEM)是一种高分辨扫描电镜,在材料分析中得到广泛应用。

    Field emission scanning electron microscope ( FESEM ) is a kind of high resolution scanning electron microscope .

  25. 应用X射线衍射仪(XRD)、场发射扫描电子显微镜(FESEM)、傅立叶变换红外光谱(FTIR)和紫外-可见光谱(UV-vis)等方法对产物进行了表征。

    The as-prepared products were characterized by X-ray powder diffraction ( XRD ), ultraviolet – visible spectrum , field-emission scanning electron microscopy ( FESEM ) and Fourier transform infrared spectroscopy ( FT-IR ) .

  26. 用X射线衍射仪(XRD)、场发射扫描电子显微镜(FE-SEM)、透射电子显微镜(TEM)对样品的结构、形貌、进行表征和观测。

    The structure , morphologies of the as-obtained samples have been characterized by X-ray diffraction ( XRD ), field emission scanning electron microscopy ( FE-SEM ), and transmission electron microscopy ( TEM ) .

  27. 用GS-1B型六面顶压机研究了ZnO纳米晶高压下的晶粒演化和性能,用X射线衍射仪和场发射扫描电子显微镜对高压样品的晶粒尺寸、微观形貌进行了表征。

    Grain fragmentation and property modification of nanocrystalline ZnO under high pressure were studied on CS-1B 6 × 8000 kN cubic high pressure apparatus . Grain size and microstructure of the samples have been characterized by X-ray diffraction and field emission scanning electron microscopy .

  28. 采用场发射扫描电子显微镜(FE-SEM),X-射线能量散射谱(EDS)对其分别进行形貌表征和成分分析。

    Field emission scanning electron microscopy ( FE-SEM ), energy-dispersive X-ray spectroscopy ( EDS ) were employed to characterize the morphology and analyse the element composition of the film .

  29. 利用场发射扫描电子显微镜、X射线衍射仪以及X射线能谱仪等试验方法对同轴送氧CO2连续激光制备的ZnO纳米晶体的形貌、组成成分以及相结构进行了分析。

    The different ZnO nanocrystals were fabricated with zinc sheet ( purity 99.99 % ) by CO_2 laser irradiation . The morphologies , components and phase structures of ZnO products were investigated by field-emission scanning electron microscopy , X-ray diffraction , and energy dispersed X-ray spectrometer .

  30. 应用场发射扫描电子显微镜和X射线能谱仪,研究了2005年4月北京市区2次典型沙尘天气PM10样品中矿物单颗粒的形貌、数量-粒度分布和化学组成。

    Field emission scanning electron microscopy ( FESEM ) and energy dispersive X-ray spectrometry ( EDX ) were used to obtain the morphology , number-size distribution and chemical compositions of individual mineral particles collected during the two dust storm episodes in April 2005 in Beijing .