Reactive electron beam evaporation of gadolinium oxide optical thin films for ultraviolet and deep ultraviolet laser wavelengths

Sahoo, N. K.; Thakur, S.; Senthilkumar, M.; Bhattacharyya, D.; Das, Nigamananda

doi:10.1016/s0040-6090(03)00678-3

Cited by 56 publications

(39 citation statements)

References 29 publications

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“…The direct E g values were found to be 5.56, 5.12 and 5.04 eV for the Gd(OH) 3 , GdOOH and Gd 2 O 3 nanorods, respectively (Figures 4 (a)). These values agree with those reported in the literature as compared to bulk band gap values 33,34 . Some small variations are attributed to the fact that the E g values depend on the method of preparation and the experimental conditions like the type of surfactant, temperature and processing time.…”

Section: Resultssupporting

confidence: 92%

Novel Gd(OH)3, GdOOH and Gd2O3 Nanorods: Microwave-Assisted Hydrothermal Synthesis and Optical Properties

et al. 2016

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We present a study of the controlled synthesis and optical properties of single-crystals Gd(OH) 3 , GdOOH and Gd 2 O 3 nanorods. In this work, Gd(OH) 3 nanorods were synthesized by a simple and fast microwave-assisted hydrothermal method. This process combined with the thermal decomposition oxidation of Gd(OH) 3 nanorods as precursors enabled the preparation of single-crystalline GdOOH and Gd 2 O 3 structures with well-defined morphology at low temperatures. The crystal structure dependence on the optical properties was investigated. We observed a green shift effect on the photoluminescence (PL) emission spectra from Gd(OH) 3 to Gd 2 O 3 nanorods, which can be attributed to different types of surface defects, as well as intrinsic properties that contribute significantly to the modified PL behavior.

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Section: Resultssupporting

confidence: 92%

Novel Gd(OH)3, GdOOH and Gd2O3 Nanorods: Microwave-Assisted Hydrothermal Synthesis and Optical Properties

et al. 2016

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“…8. The PSD dependences on frequency are similar to those typically obtained for the samples in which thin layers are deposited on smooth substrate [32][33][34][35]. It was shown in [35] that PSD of a thin film coating can be described by a sum of PSD of the substrate and the PSD of the pure film.…”

Section: Discussionsupporting

confidence: 77%

“…It was demonstrated in various studies [32][33][34] that some features of the surfaces structures can be described by parameters of the power spectral density (PSD) function derived from the AFM surface profile data.…”

Section: Discussionmentioning

confidence: 99%

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Scanning probe microscopic and optical detection of DNA integration within multicomponent structures on Si surfaces

Bukauskas¹

2008

Lithuanian J. Phys.

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Self-arrangement of DNA based structures on clean mica and modified Si surfaces is investigated by means of scanning probe microscope (SPM) and spectroscopic ellipsometry (SE) method. DNA strands are deposited from a colloidal solution on solid surfaces at room temperature. Surfaces of solid substrates and biomolecular structures are additionally modified by Ag nanoparticles. The self-arranged surface structures are visualized by SPM. The effect of the multicomponent structures on the optical response of complex hybrid structures is studied. Changes in the optical response of the hybrid samples are related to the contributions of self-assembled DNA-based structures and Ag nanoparticles on the Si surfaces. Binding of Ag nanoparticles to the DNA strands and formation of well-ordered structures on the surfaces with DNA are discussed.

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Microstructure, micromorphology, and fractal geometry of hard dental tissues: Evaluation of atomic force microscopy images

et al. 2019

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Determining surface topography of different tissues of the molar tooth with novel analytical methods has opened new horizons in dental surface measurements which characterize tooth surface quality in dentistry. Studying surface topological measurements and comparing surface morphology of hard tissue of the molar tooth are the ultimate goals of the present study. Ten molar teeth have been chosen for investigating their surface characteristics through image processing techniques. The power spectral density (PSD) and fast Fourier transform algorithms of every molar tooth containing enamel, dentin, and cementum have determined that the characterization of surface profiles is possible. As can be seen, PSD along with fractal dimensions leads to good results for teeth surface topography. Moreover, PSD angular plot assures appropriate description of surface.

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Reactive electron beam evaporation of gadolinium oxide optical thin films for ultraviolet and deep ultraviolet laser wavelengths

Cited by 56 publications

References 29 publications

Novel Gd(OH)3, GdOOH and Gd2O3 Nanorods: Microwave-Assisted Hydrothermal Synthesis and Optical Properties

Novel Gd(OH)3, GdOOH and Gd2O3 Nanorods: Microwave-Assisted Hydrothermal Synthesis and Optical Properties

Scanning probe microscopic and optical detection of DNA integration within multicomponent structures on Si surfaces

Microstructure, micromorphology, and fractal geometry of hard dental tissues: Evaluation of atomic force microscopy images

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