Nanothermochromic diffraction gratings with giant switching contrast based on the metal-insulator transition of vanadium dioxide

被引：0

作者：

Zimmer, Johannes ^{[1
]}

Haug, Simon A. ^{[1
]}

Wixforth, Achim ^{[2
,3
]}

Karl, Helmut ^{[4
]}

Krenner, Hubert J. ^{[1
]}

机构：

[1] Univ Augsburg, Lehrstuhl Expt Phys 1, Emmy Noether Jr Res Grp, Univ Str 1, D-86159 Augsburg, Germany

[2] Univ Augsburg, Lehrstuhl Experimentalphysik 1, D-86159 Augsburg, Germany

[3] Univ Augsburg, ACIT, D-86159 Augsburg, Germany

[4] Univ Augsburg, Lehrstuhl Experimentalphysik 4, D-86159 Augsburg, Germany

来源：

OXIDE-BASED MATERIALS AND DEVICES IV | 2013年 / 8626卷

关键词：

Metal-insulator transition; VO2; diffraction grating; ionimplantation; SUBWAVELENGTH HOLE ARRAYS; PHASE-TRANSITION; OPTICAL-PROPERTIES; VO2; NANOPARTICLES; PLASMON RESONANCE; NANOCRYSTALS;

D O I：

10.1117/12.2001809

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanothermochromic diffraction gratings based on the metal-insulator transition of VO2 are fabricated by site- selective ion-beam implantation in a SiO2 matrix. The studied diffraction gratings were defined (i) directly by spatially selective ion-beam synthesis or (ii) by site-selective deactivation of the metal-insulator transition by ion-beam induced structural defects. The strongest increase of the diffraction efficient was observed at a wavelength of 1550 nm exceeding one order of magnitude for the selectively deactivated gratings. The observed pronounced thermal hysteresis extends down close to room temperature and makes these optical elements well suited for optical memory devices.

引用

页数：8

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