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We demonstrate a simple and high-performance laser-assisted technique for silver nanoring fabrication, which includes the ablation of the Ag film by focused nanosecond pulses and subsequent reactive ion polishing. The nanoring diameter and…

Optics · Physics 2015-06-09 A. A. Kuchmizhak , S. O. Gurbatov , Yu. N. Kulchin , O. B. Vitrik

The ordered arrays of Ag nanowires and nanodots have been grown in ultra-high vacuum on the Si(5 5 7) surface containing regular steps of three bilayer height. Formation of Ag nanostructures have been studied by scanning tunneling…

Materials Science · Physics 2019-03-19 R. A. Zhachuk , S. A. Teys , A. E. Dolbak , B. Z. Olshanetsky

Doping of Si using the scanning probe hydrogen depassivation lithography technique has been shown to enable placing and positioning small numbers of P atoms with nanometer accuracy. Several groups have now used this capability to build…

Surface plasmon resonance of metal nanostructures has broad application prospects in the fields of photocatalysis, optical sensing, biomarkers and surface-enhanced Raman scattering. This paper reports a graphene-assisted method for…

Applied Physics · Physics 2019-12-06 Yibo Dong , Yiyang Xie , Liangchen Hu , Chen Xu , Weiling Guo , Guanzhong Pan , Qiuhua Wang , Fengsong Qian , Jie Sun

Gallium oxide (Ga$_2$O$_3$) is a wide-bandgap semiconductor with exceptional electrical and optical properties, making it a promising material for optoelectronic and sensing applications. In this work, we demonstrate for the first time the…

Continued advances in quantum technologies rely on producing nanometer-scale wires. Although several state-of-the-art nanolithographic technologies and bottom-up synthesis processes have been used to engineer such wires, critical challenges…

Silver-doped ZnO nanoparticles were successfully fabricated at $400\,^{\circ}\mathrm{C}$ via a simple and rapid method based on short time solid state milling and calcination of precursor powders. The effect of Ag dilute doping on the…

Materials Science · Physics 2015-08-04 S. M. Hosseini , I. Abdolhosseini Sarsari , P. Kameli , H. Salamati

We have studied the effect of thermal effects on the structural and transport response of Ag atomic-size nanowires generated by mechanical elongation. Our study involves both time-resolved atomic resolution transmission electron microscopy…

Materials Science · Physics 2012-06-13 M. J. Lagos , P. A. S. Autreto , D. S. Galvao , D. Ugarte

Ordered Ag nanowire arrays with high aspect ratio and high density self-supporting Ag nanowire patterns were successfully prepared using potentiostatic electrodeposition within the confined nanochannels of a commercial porous anodic…

Materials Science · Physics 2011-06-15 Baoliang Sun , Xiaohong Jiang , Shuxi Dai , Zuliang Du

We propose ultra-broadband reflective and absorptive polarizers in the visible range using multi-scaled Ag nano wire-slit arrays. The nano arrays can be tuned from reflective to absorptive by incorporating Ag wires/strips with different…

Optics · Physics 2015-05-08 Chunrui Han , Wing Yim Tam

Silver (Ag) is considered an ideal material for plasmonic applications in the visible wavelength regime due to its superior optical properties, but its use is limited by the poor chemical stability and structural quality of thermally…

Atomic structures of quasi-one-dimensional (1D) character can be grown on semiconductor substrates by metal adsorption. Significant progress concerning study of their 1D character has been achieved recently by condensing noble metal atoms…

Strongly Correlated Electrons · Physics 2015-05-13 J. Schaefer , S. Meyer , C. Blumenstein , K. Roensch , R. Claessen , S. Mietke , M. Klinke , T. Podlich , R. Matzdorf , A. A. Stekolnikov , S. Sauer , F. Bechstedt

The collective electronic excitations of arrays of Au chains on regularly stepped Si(553) and Si(775) surfaces were studied using electron loss spectroscopy with simultaneous high energy and momentum resolution (ELS-LEED) in combination…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 Timo Lichtenstein , Julian Aulbach , Jörg Schäfer , Ralph Claessen , Christoph Tegenkamp , Herbert Pfnür

Nanocomposites made of polymer films embedding silver nanoparticles were prepared by thermal annealing of poly-(vinyl) alcohol films containing AgNO3. Low (2.5% w:w) and high (25% w:w) doping concentration of silver nitrate were considered…

Materials Science · Physics 2015-06-05 Corentin Guyot , Michel Voué

We demonstrate using scanning tunneling microscopy and spectroscopy the electron quantization within metallic Au atomic wires self-assembled on a Si(111) surface and segmented by adatom impurities. The local electronic states of wire…

Mesoscale and Nanoscale Physics · Physics 2016-01-06 Eui Hwan Do , Han Woong Yeom

Polarization induced degenerate $n$-type doping with electron concentrations up to $\sim$10$^{20}$\,cm$^{-3}$ is achieved in graded Al$_{x}$Ga$_{1-x}$N layers ($x$: 0\%$\rightarrow$37\%) grown on unintentionally doped and on $n$-doped…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 R. Adhikari , Tian Li , G. Capuzzo , A. Bonanni

Density-functional theory calculations are used to verify the atomic structure of the $\sqrt{3}$$\times$$\sqrt{3}$ silicene phase grown on the Ag(111) surface. Recent experimental studies strongly suggested that the previous double-layer…

Materials Science · Physics 2016-02-29 Se Gab Kwon , Myung Ho Kang

Photo-bolometric effect is critically important in optoelectronic structures and devices employing metallic electrodes with nanoscale features due to heating caused by the plasmonic field enhancement. One peculiar case is individual silver…

Mesoscale and Nanoscale Physics · Physics 2022-02-15 Mohammadali Razeghi , Merve Üstünçelik , Farzan Shabani , Hilmi Volkan Demir , T. Serkan Kasırga

This work reports the successful formation of Ag and Au nanoparticles in $\beta$-Ga$_2$O$_3$ single-crystals by ion implantation and annealing at 550 {\deg}C. X-ray diffraction measurements revealed that nanoparticles were formed after the…

Nanometer-sized metal particles exhibit broadening of the localized surface plasmon resonance (LSPR) in comparison to its value predicted by the classical Mie theory. Using our model for the LSPR dependence on non-local surface screening…

Optics · Physics 2015-06-22 R. Carmina Monreal , S. Peter Apell , Tomasz J. Antosiewicz
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