Synthesis and Surface Properties of Pure and Brominated (SN) &lt;I&gt;&lt;SUB&gt;x&lt;/SUB&gt;&lt;/I&gt;

Miyazaki, Eizo; Umeno, Satoshi

doi:10.1380/jsssj.4.11

Cited by 4 publications

(5 citation statements)

References 3 publications

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“…Silver films were grown on Si(111) following this two-step process. The Si(111) substrate was kept at 100-120 K during Ag deposition and slowly annealed to room temperature afterwards [57]. The deposition rate was ∼ 0.3 ML/min, although a similar film quality was obtained within the 0.1-0.5 ML/min range; the crucial parameter here is the deposition temperature, which was required to be ∼ 100 K. Surface-Science Characterization.…”

Section: Fabrication Of Atomically-thin Silver Films Ourmentioning

confidence: 99%

Plasmonics in Atomically Thin Crystalline Silver Films

et al. 2019

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Light-matter interaction at the atomic scale rules fundamental phenomena such as photoemission and lasing, while enabling basic everyday technologies, including photovoltaics and optical communications. In this context, plasmons -the collective electron oscillations in conducting materials-are important because they allow manipulating optical fields at the nanoscale. The advent of graphene and other two-dimensional crystals has pushed plasmons down to genuinely atomic dimensions, displaying appealing properties such as a large electrical tunability. However, plasmons in these materials are either too broad or lying at low frequencies, well below the technologically relevant nearinfrared regime. Here we demonstrate sharp near-infrared plasmons in lithographically-patterned wafer-scale atomically-thin silver crystalline films. Our measured optical spectra reveal narrow plasmons (quality factor ∼ 4), further supported by a low sheet resistance comparable to bulk metal in few-atomic-layer silver films down to seven Ag(111) monolayers. Good crystal quality and plasmon narrowness are obtained despite the addition of a thin passivating dielectric, which renders our samples resilient to ambient conditions. The observation of spectrally sharp and strongly confined plasmons in atomically thin silver holds great potential for electro-optical modulation and optical sensing applications. * These two authors contributed equally to the work. † Electronic address: enrique.ortega@ehu.es ‡ Electronic address: javier.garciadeabajo@icfo.es arXiv:1901.07739v2 [cond-mat.mes-hall]

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Section: Fabrication Of Atomically-thin Silver Films Ourmentioning

confidence: 99%

Plasmonics in Atomically Thin Crystalline Silver Films

et al. 2019

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“…The band gap and VBO (ΔE V ) allow us to determine the conduction band offset (ΔE C ) using the equation ΔE C = Eg(SiO 2 ) À ΔE V (GIZO/ SiO 2 /Si) À Eg(GIZO). [15] The conduction band offset of GIZO is 3.6 eV.…”

Section: Resultsmentioning

confidence: 99%

Band alignment and defect states in amorphous GaInZnO thin films grown on SiO₂/Si substrates

Heo

Chung

Lee

et al. 2016

Surface & Interface Analysis

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The band alignment and defect states of GaInZnO thin films grown on SiO2/Si via radio frequency (RF) magnetron sputtering were investigated by using X‐ray photoelectron spectroscopy, reflection electron energy loss spectroscopy, thermally stimulated exo‐electron emission and photo‐induced current transient spectroscopy.The band gap via reflection electron energy loss spectroscopy was 3.2 eV. The defect states via photo‐induced current transient spectroscopy and thermally stimulated exo‐electron emission were at 0.24, 0.53, 1.69 and 2.01 eV below the conduction band minimum of GIZO thin films, respectively. The defect states at 0.24 and 0.53 eV are related to the field‐effect mobility, and the defect stated at 1.69 and 2.01 eV is related to the oxygen vacancy defect. Copyright © 2016 John Wiley & Sons, Ltd.

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“…The non-equilibrium surface growth of atomic systems by means of epitaxial layer growth has been intensively studied over the last decades. Several aspects from the sub-monolayer to the multilayer growth regime have been experimentally investigated in detail by atomic force microscopy [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17], scanning tunneling microscopy [19][20][21][22], high or low energy electron diffraction [23][24][25][26][27][28][29], Raman [30] and Auger electron spectroscopy [31] experiments. Recently, also X-ray scattering studies of epitaxially grown thin films have been performed [32][33][34][36][37][38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Impact of anisotropic interactions on nonequilibrium cluster growth at surfaces

Martynec

Klapp

2018

Phys. Rev. E

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Using event-driven kinetic Monte-Carlo simulations we investigate the early stage of nonequilibrium surface growth in a generic model with anisotropic interactions among the adsorbed particles. Specifically, we consider a two-dimensional lattice model of spherical particles where the interaction anisotropy is characterized by a control parameter η measuring the ratio of interaction energy along the two lattice directions. The simplicity of the model allows us to study systematically the effect and interplay between η, the nearest-neighbor interaction energy En, and the flux rate F , on the shapes and the fractal dimension D f of clusters before coalescence. At finite particle flux F we observe the emergence of rod-like and needle-shaped clusters whose aspect ratio R depends on η, En and F . In the regime of strong interaction anisotropy, the cluster aspect ratio shows power-law scaling as function of particle flux, R ∼ F −α . Furthermore, the evolution of the cluster length and width also exhibit power-law scaling with universal growth exponents for all considered values of F . We identify a critical cluster length Lc that marks a transition from one-dimensional to self-similar two-dimensional cluster growth. Moreover, we find that the cluster properties depend markedly on the critical cluster size i * of the isotropically interacting reference system (η = 1).

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Synthesis and Surface Properties of Pure and Brominated (SN) <I><SUB>x</SUB></I>

Cited by 4 publications

References 3 publications

Plasmonics in Atomically Thin Crystalline Silver Films

Plasmonics in Atomically Thin Crystalline Silver Films

Band alignment and defect states in amorphous GaInZnO thin films grown on SiO₂/Si substrates

Impact of anisotropic interactions on nonequilibrium cluster growth at surfaces

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Synthesis and Surface Properties of Pure and Brominated (SN) <I><SUB>x</SUB></I>

Cited by 4 publications

References 3 publications

Plasmonics in Atomically Thin Crystalline Silver Films

Plasmonics in Atomically Thin Crystalline Silver Films

Band alignment and defect states in amorphous GaInZnO thin films grown on SiO2/Si substrates

Impact of anisotropic interactions on nonequilibrium cluster growth at surfaces

Contact Info

Product

Resources

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Band alignment and defect states in amorphous GaInZnO thin films grown on SiO₂/Si substrates