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Elastic properties of superionic cubic silver sulfide β-Ag2S
网页Abstract. Measurement of heat capacity of superionic silver sulfide (argentite β-Ag 2 S) revealed that nanocrystalline argentite has a higher heat capacity than coarse
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Argentite Wikipedia
网页In mineralogy, argentite (from Latin argentum ' silver') is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C
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Argentite–Acanthite Transition in Silver Sulfide as a Two-Sublattice
网页2020年2月11日In this study, the argentite–acanthite transformation is considered as a disorder–order transition in the two sublattices of silver sulfide with quantitative
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Argentite-Acanthite Transformation in Silver Sulfide as a Disorder
网页2019年7月13日An alternative model has been proposed for the phase transition from cubic argentite ß-Ag2S to monoclinic acanthite α-Ag2S in silver sulfide as a Argentite
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Argentite–Acanthite Transition in Silver Sulfide as a Two-Sublattice
网页Abstract—We propose a model of phase transformation cubic argentite–monoclinic acanthite in silver sulfide Ag 2S (AgS 0.5) as ordering in two argentite sublattices. We
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Argentite–Acanthite Transformation in Silver Sulfide as a Disorder
网页The main phases of silver sulfide (Ag 2 S) are mono-clinic (space group acanthite α-Ag 2 S and bcc (space group ) argentite β-Ag 2 S [1, 2]. The cool-ing of bcc argentite 2 S
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Argentite–Acanthite Transition in Silver Sulfide as a Two-Sublattice
网页2019年12月1日It is established that in the contact layer between silver sulfide and silver, nonconducting α-Ag2S acanthite transforms into superionic β-Ag2S argentite under the
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Acanthite–Argentite Transformation in Nanocrystalline Silver
网页The Ag2S/Ag nanoheterostructure and nanocrys-talline silver sulfide (Ag2S) were synthesized by chem-ical deposition from aqueous solutions of silver nitrite(AgNO3),
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Acanthite–argentite transformation in nanocrystalline
网页2016年5月1日Nanocrystalline acanthite-structured silver sulfide of the monoclinic structure and a Ag2S/Ag nanoheterostructure are produced. The high-temperature X-ray diffraction technique is applied to the
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ACANTHITE/ARGENTITE (Silver Sulfide)
网页Argentite is a name applied to one polymorph (meaning many shapes) of Ag2S. Acanthite and argentite have the same chemistry,Ag2S, but different structures. Argentite has
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Direct TEM observation of the “acanthite α-Ag2S–argentite β-Ag2S
网页For the first time, the α-Ag 2 S (acanthite)–β-Ag 2 S (argentite) phase transition in a single silver sulfide nanoparticle has been observed in situ using a high-resolution transmission electron microscopy method in real time. Colloid solutions of Ag 2 S nanoparticles and nanostructured powders of silver sulfide have been synthesized by one-stage chemical
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Atomic Displacements in the α–β Phase Transition in Ag
网页2020年2月11日In cubic β-Ag 2 S argentite, possible distances between sulfur and silver atoms and between silver atoms at a temperature close to 453 K are much less (see Table 2 ). The lattice period of argentite at T = 453 K is 0.48614 nm.
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Argentite–Acanthite Transition in Silver Sulfide as a Two
网页2020年2月11日Abstract. We propose a model of phase transformation cubic argentite–monoclinic acanthite in silver sulfide Ag 2 S (AgS 0.5) as ordering in two argentite sublattices.We have determined the channel of the disorder–order transition including four nonequivalent superstructure vectors of stars {k 9} and {k 4}.For monoclinic
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Argentite-Acanthite Transformation in Silver Sulfide as a
网页2019年7月13日It has been shown that displacements of sulfur atoms distort the bcc nonmetal sublattice of argentite, forming a monoclinic lattice, where silver atoms are spaced by quite large distances and occupy their crystallographic positions with a
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Argentite–Acanthite Transition in Silver Sulfide as a Two
网页Abstract—We propose a model of phase transformation cubic argentite–monoclinic acanthite in silver sulfide Ag 2S (AgS 0.5) as ordering in two argentite sublattices. We have determined the channel of the disorder–order transition including four nonequivalent superstructure vectors of stars {k 9} and {k
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Elastic properties of superionic cubic silver sulfide β-Ag 2 S
网页2021年2月4日Measurement of heat capacity of superionic silver sulfide (argentite β-Ag2S) revealed that nanocrystalline argentite has a higher heat capacity than coarse-crystalline argentite. It is shown that the heat capacity of nanocrystalline substances includes an additional positive contribution caused by t
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Acanthite–Argentite Transformation in Nanocrystalline Silver Sulfide
网页2S)–(argentite β-Ag 2S) phase transformation in nanocrystalline silver sulfide. The crystal structure of argentite is refined, and it is found that the content of vacant sites in the metal sub-lattice of argentite exceeds 92%. A model of a resistive switch, whose operation is based on the reversible acanthite–argentite transformation in a Ag
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Polymorphic transformation in nanocrystalline silver sulfide
网页2016年1月10日The alpha-Ag2S acanthite-beta-Ag2S argentite phase transformation in nanocrystalline silver sulfide has been studied in situ for the first time using high-temperature X-ray diffraction and
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Elastic properties of superionic cubic silver sulfide β-Ag 2 S
网页2021年1月21日It is established that in the contact layer between silver sulfide and silver, nonconductingα-Ag2S acanthite transforms into superionic β-Ag2S argentite under the action of external electric field.
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ACANTHITE/ARGENTITE (Silver Sulfide)
网页Acanthite is the most important silver ore next to galena.Actually there is an argument to be made that acanthite could be the most important silver ore. Galena is a lead ore that often contains enough silver (usually about 1%) that when it is processed for its lead content the by-product silver supplies the majority of the world's needs. But most, if not all the silver
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Direct TEM observation of the “acanthite α-Ag2S–argentite β-Ag2S
网页For the first time, the α-Ag 2 S (acanthite)–β-Ag 2 S (argentite) phase transition in a single silver sulfide nanoparticle has been observed in situ using a high-resolution transmission electron microscopy method in real time. Colloid solutions of Ag 2 S nanoparticles and nanostructured powders of silver sulfide have been synthesized by one-stage chemical
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Atomic Displacements in the α–β Phase Transition in Ag
网页2020年2月11日In cubic β-Ag 2 S argentite, possible distances between sulfur and silver atoms and between silver atoms at a temperature close to 453 K are much less (see Table 2 ). The lattice period of argentite at T = 453 K is 0.48614 nm.
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Argentite–Acanthite Transition in Silver Sulfide as a Two
网页2020年2月11日Abstract. We propose a model of phase transformation cubic argentite–monoclinic acanthite in silver sulfide Ag 2 S (AgS 0.5) as ordering in two argentite sublattices.We have determined the channel of the disorder–order transition including four nonequivalent superstructure vectors of stars {k 9} and {k 4}.For monoclinic
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Argentite-Acanthite Transformation in Silver Sulfide as a
网页2019年7月13日It has been shown that displacements of sulfur atoms distort the bcc nonmetal sublattice of argentite, forming a monoclinic lattice, where silver atoms are spaced by quite large distances and occupy their crystallographic positions with a
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Argentite–Acanthite Transition in Silver Sulfide as a Two
网页Abstract—We propose a model of phase transformation cubic argentite–monoclinic acanthite in silver sulfide Ag 2S (AgS 0.5) as ordering in two argentite sublattices. We have determined the channel of the disorder–order transition including four nonequivalent superstructure vectors of stars {k 9} and {k
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Acanthite–Argentite Transformation in Nanocrystalline Silver Sulfide
网页2S)–(argentite β-Ag 2S) phase transformation in nanocrystalline silver sulfide. The crystal structure of argentite is refined, and it is found that the content of vacant sites in the metal sub-lattice of argentite exceeds 92%. A model of a resistive switch, whose operation is based on the reversible acanthite–argentite transformation in a Ag
Contact
Elastic properties of superionic cubic silver sulfide β-Ag 2 S
网页2021年1月21日It is established that in the contact layer between silver sulfide and silver, nonconductingα-Ag2S acanthite transforms into superionic β-Ag2S argentite under the action of external electric field.
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Polymorphic transformation in nanocrystalline silver sulfide
网页2016年1月10日The alpha-Ag2S acanthite-beta-Ag2S argentite phase transformation in nanocrystalline silver sulfide has been studied in situ for the first time using high-temperature X-ray diffraction and
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(PDF) Testing of Silver Sulphide in Antimony
网页2012年5月6日Samples collected from the ore body show, through studies by reflection optical microscopy and SEM, the presence of a silver sulfide: argentite (Ag2S). This mineral is a good temperature indicator
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ACANTHITE/ARGENTITE (Silver Sulfide)
网页ACANTHITE/ARGENTITE (Silver Sulfide) The Mineral ACANTHITE/ARGENTITE Chemistry: Ag2S, Silver Sulfide Class: Sulfides Uses: An ore of silver and as mineral specimens. Specimens Acanthite is the most important silver ore next to galena. Actually there is an argument to be made that acanthite could be themost important silver ore.
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