Optical constants of magnetron sputtered Pt thin films with improved accuracy in the N- and O-electronic shell absorption regions

被引：8

作者：

Soufli, Regina ^{[1
]}

Delmotte, Franck ^{[2
]}

Meyer-Ilse, Julia ^{[3
]}

Salmassi, Farhad ^{[3
]}

Brejnholt, Nicolai ^{[1
]}

Massahi, Sonny ^{[4
]}

Girou, David ^{[4
]}

Christensen, Finn ^{[4
]}

Gullikson, Eric M. ^{[3
]}

机构：

[1] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA

[2] Univ Paris Saclay, CNRS, Inst Opt Grad Sch, Lab Charles Fabry, F-91127 Palaiseau, France

[3] Lawrence Berkeley Natl Lab, Ctr Xray Opt, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[4] Danish Tech Univ DTU Space, Elektrovej 327, DK-2800 Lyngby, Denmark

来源：

JOURNAL OF APPLIED PHYSICS | 2019年 / 125卷 / 08期

关键词：

ABSOLUTE PHOTOABSORPTION MEASUREMENTS; X-RAY MIRRORS; METALLIC-FILMS; SUM-RULES; SCATTERING; PLATINUM;

D O I：

10.1063/1.5067366

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present an experimental, self-consistent determination of the optical constants (refractive index) of Pt using a combination of photoabsorption and reflectance data in the photon energy range 25-778 eV, which includes the N- and O-shell electronic absorption edges of Pt. We compare our new experimental values with Pt optical constant data sets from the literature. Our Pt optical constant values reveal highly resolved absorption-edge fine structure around the O-2,O-3 and N-6,N-7 edges in both the absorptive and dispersive portions of the refractive index, which were missing in the earlier literature. Published under license by AIP Publishing.

引用

页数：10

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