Optical constants in the EUV Soft x-ray (5 ÷ 152 nm) spectral range of B4C thin films deposited by different deposition techniques

被引:8
作者
Monaco, G. [1 ]
Garoli, D. [1 ]
Frison, R. [1 ]
Mattarello, V. [1 ]
Nicolosi, P. [1 ]
Pelizzo, M. G. [1 ]
Rigato, V. [1 ]
Armelao, L. [1 ]
Giglia, A. [1 ]
Nannarone, S. [1 ]
机构
[1] Univ Padua, CNR, INFM, Luxor Lab,DEI, Via Gradenigo 6-B, I-35131 Padua, Italy
来源
ADVANCES IN X-RAY/EUV OPTICS, COMPONENTS, AND APPLICATIONS | 2006年 / 6317卷
关键词
B4C; optical coatings; multilayer; optical constants; EUV Soft-X; PLD; e-beam; magnetron sputtering;
D O I
10.1117/12.684088
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
B4C optical coating represents, together with Ir, Pt, SiC, one of best choice for high reflectance in the extreme ultraviolet region (EUV 160-30 nm). This material is also used in multilayer for soft X-ray applications, such as Si/B4C or W/B4C, or as interlayer in Mo/Si multilayer to avoid interdiffusion also because of its high thermal stability. Our work concerns on B4C thin films deposited on Si [100] substrates by means of three different deposition techniques: RF plasma magnetron sputtering, e-beam evaporation, pulsed laser ablation (PLD). We performed reflectance vs incidence angle measurements from 5 nm to 152 nm on different samples deriving the optical constants with a least-square fitting method. Complete films characterization have been carried out with compositional (XPS), structural (XRD) and morphological (AFM, SEM) analyses.
引用
收藏
页数:12
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