Search Results - "Leon A. Avakyan"
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Sub-Band Gap Absorption Mechanisms Involving Oxygen Vacancies in Hydroxyapatite
Published in Journal of physical chemistry. C (28-02-2019)“…Hydroxyapatite (HAp) is a widely used biomaterial for the preparation of bone and dental implants. Despite the relevance of HAp in medicine, exciting…”
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Effect of Magnesium Substitution on Structural Features and Properties of Hydroxyapatite
Published in Materials (30-08-2023)“…Hydroxyapatite (HAP) is the main mineral component of bones and teeth. It is widely used in medicine as a bone filler and coating for implants to promote new…”
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3
Formation of bimetallic gold-silver nanoparticles in glass by UV laser irradiation
Published in Journal of alloys and compounds (30-10-2018)“…Experimental technique for preparing of space arranged arrays of bimetallic AuAg nanoparticles in the near-surface region of glass, exhibiting surface plasmon…”
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4
Influence of Magnesium Source on the Mechanochemical Synthesis of Magnesium-Substituted Hydroxyapatite
Published in Materials (01-01-2024)“…Magnesium, as one of the most abundant cations in the human body, plays an important role in both physiological and pathological processes. In this study, it…”
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Structural Features of Oxyapatite
Published in Minerals (Basel) (01-01-2023)“…One of the most widely known representatives of the apatite family is hydroxyapatite, Ca10(PO4)6(OH)2. This mineral is a part of the human dental and bone…”
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Evolution of the Atomic Structure of Ceria-Supported Platinum Nanocatalysts: Formation of Single Layer Platinum Oxide and Pt–O–Ce and Pt–Ce Linkages
Published in Journal of physical chemistry. C (15-12-2016)“…Depending on platinum loading and gas environment vastly different platinum structures in Pt/ceria were observed by Pt L3-edge extended X-ray absorption…”
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Bimetallic PtCu core-shell nanoparticles in PtCu/C electrocatalysts: Structural and electrochemical characterization
Published in Applied catalysis. A, General (05-09-2016)“…[Display omitted] •Electrocatalysts PtCu/C containing PtCu core-shell NPs were synthesized.•Structural characterization of PtCu NPs in PtCu/C was performed by…”
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Effect of Thermal Treatment on the Atomic Structure and Electrochemical Characteristics of Bimetallic PtCu Core–Shell Nanoparticles in PtCu/C Electrocatalysts
Published in Journal of physical chemistry. C (02-08-2018)“…Supported PtCu/C electrocatalysts containing core–shell bimetallic PtCu nanoparticles were synthesized by sequential chemical reduction of Cu2+ and Pt(IV) in…”
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9
Effect of thermal post-treatment on surface plasmon resonance characteristics of gold nanoparticles formed in glass by UV laser irradiation
Published in Journal of alloys and compounds (30-09-2019)“…Effects of thermal post treatment and of thickness of the initial gold film coated the silicate glass surface, on localized surface plasmon resonance (SPR) of…”
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10
Formation and implantation of gold nanoparticles by ArF-excimer laser irradiation of gold-coated float glass
Published in Journal of alloys and compounds (05-03-2018)“…To develop a technique for the production of submicron line patterns and directed arrays of plasmonic nanoparticles, the generation and implantation of gold…”
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Atomic Structure of Bimetallic Nanoparticles in PtAg/C Catalysts: Determination of Components Distribution in the Range from Disordered Alloys to “Core–Shell” Structures
Published in Journal of physical chemistry. C (12-02-2015)“…Nanocatalysts PtAg/C with different distributions of components in bimetallic PtAg nanoparticles were synthesized by the methods of simultaneous and sequential…”
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12
Formation of nickel nanoparticles and magnetic matrix in nickel phthalocyanine by doping with potassium
Published in Materials chemistry and physics (01-08-2018)“…A method for synthesis of nickel nanoparticles in a magnetic nickel phthalocyanine anions matrix has been developed. The method is based on intercalation of…”
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13
Vanadium clusters formation in geometrically frustrated spinel oxide AlV 2 O 4
Published in Acta crystallographica Section B, Structural science, crystal engineering and materials (01-08-2018)“…The spinel oxide AlV O is a unique material, in which the formation of clusters is accompanied by atomic, charge and orbital ordering and a rhombohedral…”
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14
Vanadium clusters formation in geometrically frustrated spinel oxide AlV2O4
Published in Acta crystallographica Section B, Structural science, crystal engineering and materials (01-08-2018)“…The spinel oxide AlV2O4 is a unique material, in which the formation of clusters is accompanied by atomic, charge and orbital ordering and a rhombohedral…”
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15
Electronic Structure of Pt and Au Compounds Measured by X‑ray Emission and X‑ray Absorption Spectroscopies
Published in Journal of physical chemistry. C (13-12-2012)“…The electronic structure of the filled and unfilled states and the formation of the chemical bonding in PtO2, PtCl4, PtS2, and Au2S are studied by measured Pt…”
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16
Effect of Aluminum on the Local Structure of Silicon in Zeolites as Studied by Si K Edge X-ray Absorption Near-Edge Fine Structure: Spectra Simulation with a Non-Muffin Tin Atomic Background
Published in The journal of physical chemistry. B (09-04-2009)“…Experimental Si K edge X-ray absorption near-edge fine structure (XANES) of zeolite faujasite, mordenite, and beta are interpreted by means of the FEFF8 code,…”
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Local Structure of Aluminum in Zeolite Mordenite as Affected by Temperature
Published in The journal of physical chemistry. B (02-06-2005)“…The local aluminum structure in zeolite mordenite was studied at temperatures up to 1000 K in a vacuum by Al K-edge X-ray absorption near-edge structure…”
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18
Relaxor unveils geometrical frustration
Published in Acta materialia (15-09-2024)“…For over a century, materials science has been focused on comparing magnetism and ferroelectricity, revealing similarities in order types, domains, hysteresis,…”
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Atomic structure and optical properties of color centers of silver in AgAu/glass irradiated by UV laser
Published in The Journal of physics and chemistry of solids (01-08-2023)“…A study of the structural states of silver in glass after Ag+↔Na+ ion-exchange and further irradiation with different numbers of UV laser pulses has been…”
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Atomic Structure of Cu Centers in Mordenite Formed by Interaction of Copper Chloride with H-MOR Zeolite and Temperature Treatment
Published in Journal of physical chemistry. C (25-11-2021)Get full text
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