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Spectroscopy and Optical Properties of Novel Metal(Ⅱ)-Azo Complex Films in Blue-Violet Light Region
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作者 黄福新 吴谊群 +1 位作者 顾冬红 干福熹 《Chinese Physics Letters》 SCIE CAS CSCD 2003年第12期2259-2261,共3页
A novel azo derivative,α-(2-azoxyisoxazole)-β-diketone derivative (ADD),and its copper (Ⅱ) and nickel (Ⅱ) complex (CuADD and NiADD) films have been prepared respectively by spin-coated method.The absorption sp... A novel azo derivative,α-(2-azoxyisoxazole)-β-diketone derivative (ADD),and its copper (Ⅱ) and nickel (Ⅱ) complex (CuADD and NiADD) films have been prepared respectively by spin-coated method.The absorption spectra of the films on a K9 glass substrate in the 300-800 nm wavelength region have been measured.The optical constants (complex refractive index N=n+iκ) and thickness of the complex films on a single-crystal silicon substrate in the 300-600nm wavelength region have been investigated on an improved rotating analyser-polariser (RAP) type of scanning ellipsometer,and the dielectric constants ε(ε=ε1+iε2),absorption coefficients α as well as reflectance R of the films were calculated.It is found that the absorption maxima of the ADD,CuADD and NiADD films are at 324nm,372nm and 385nm,respectively,and small absorption values and steep absorption band edges of the CuADD and NiADD films are observed at the 405nm side;The CuADD and NiADD films give high n values of 2.08 and 1.98,and low κ values of 0.2 and 0.28,respectively,at 405nm,and their thicknesses are in the range of 130-150nm;the high reflectivity of 58.5% and 45.5% of the CuADD and NiADD films with Ag as a reflective layer were obtained at the film thicknesses of 70 nm and 80nm respectively.These results show that the novel CuADD and NiADD films seem to be a very promising organic recording material for the next generation of high density digital versatile disc-recordable (HD-DVD-R) systems that use a high numerical aperture of 0.85 at 405nm wavelength. 展开更多
关键词 光谱分析 偶氮基衍生物 α-β-二酮衍生物 吸收光谱 光学记录技术 光学记录材料
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Optical Constants of Palladium Phthalocyanine Derivative Thin Films
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作者 吴谊群 陈耐生 《Chinese Physics Letters》 SCIE CAS CSCD 2002年第11期1700-1702,共3页
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