Charge doping to flat AgF<sub>2</sub> monolayers in a chemical capacitor setup

Jezierski, Daniel; Grzelak, Adam; Liu, Xingchen; Pandey, Shishir Kumar; Gastiasoro, Maria N.; Lorenzana, J.; Feng, Ji; Grochala, Wojciech

doi:10.1039/d2cp00179a

Cited by 6 publications

(1 citation statement)

References 46 publications

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“…[5,14,[24][25][26][27][28] Our own efforts to prepare Ag 1À x Cu x F 2 -aside from pure scientific curiosity -have been driven by two-decade long research where we targeted a possibility of electronic doping to AgF 2 and related systems. [20,[28][29][30][31] As we will see, vast differences in the chemistry of copper and silver render this task quite difficult but fortunately not impossible.…”

Section: Introductionmentioning

confidence: 99%

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag^(II)F₂/Cu^(II)F₂ Phase Diagram**

Jezierski

Koteras

Mazej

et al. 2023

Chemistry A European J

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High‐temperature solid‐state reaction between orthorhombic AgF2 and monoclinic CuF2 (y=0.15, 0.3, 0.4, 0.5) in a fluorine atmosphere resulted in coexisting solid solutions of Cu‐poor orthorhombic and Cu‐rich monoclinic phases with stoichiometry Ag1−xCuxF2. Based on X‐ray powder diffraction analyses, the mutual solubility in the orthorhombic phase (AgF2 : Cu) appears to be at an upper limit of Cu concentration of 30 mol % (Ag0.7Cu0.3F2), while the monoclinic phase (CuF2 : Ag) can form a nearly stoichiometric Cu : Ag=1 : 1 solid solution (Cu0.56Ag0.44F2), preserving the CuF2 crystal structure. Experimental data and DFT calculations showed that AgF2 : Cu and CuF2 : Ag solid solutions deviate from the classical Vegard's law. Magnetic measurements of Ag1−xCuxF2 showed that the Néel temperature (TN) decreases with increasing Cu content in both phases. Likewise, theoretical DFT+U calculations for Ag1−xCuxF2 showed that the progressive substitution of Ag by Cu decreases the magnetic interaction strength |J2D| in both structures. Electrical conductivity measurements of Ag0.85Cu0.15F2 showed a modest increase in specific ionic conductivity (3.71 ⋅ 10−13±2.6 ⋅ 10−15 S/cm) as compared to pure AgF2 (1.85 ⋅ 10−13±1.2 ⋅ 10−15 S/cm), indicating the formation of a vacancy‐ or F adatom‐free metal difluoride sample.

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Section: Introductionmentioning

confidence: 99%

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag^(II)F₂/Cu^(II)F₂ Phase Diagram**

Jezierski

Koteras

Mazej

et al. 2023

Chemistry A European J

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Dialkyl carbonates enforce energy storage as new dielectric liquids

Chaban

Andreeva

2022

Journal of Molecular Liquids

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Controlling orbital ordering of intergrowth structures with flat [Ag^(II)F₂] layers to mimic oxocuprates(ii)

Jezierski,

Lorenzana,

Grochala

2025

Phys. Chem. Chem. Phys.

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Charge doping to flat AgF₂ monolayers in a chemical capacitor setup

Abstract: Flat monolayers of silver(ii) fluoride have been recently predicted to have large potential for ambient pressure superconductivity if doped to an optimal level. Here we calculate how much optimal level is and explore chemical ways of doping.

Cited by 6 publications

References 46 publications

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag^(II)F₂/Cu^(II)F₂ Phase Diagram**

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag^(II)F₂/Cu^(II)F₂ Phase Diagram**

Dialkyl carbonates enforce energy storage as new dielectric liquids

Controlling orbital ordering of intergrowth structures with flat [Ag^(II)F₂] layers to mimic oxocuprates(ii)

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Charge doping to flat AgF2 monolayers in a chemical capacitor setup

Abstract: Flat monolayers of silver(ii) fluoride have been recently predicted to have large potential for ambient pressure superconductivity if doped to an optimal level. Here we calculate how much optimal level is and explore chemical ways of doping.

Cited by 6 publications

References 46 publications

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag(II)F2/Cu(II)F2 Phase Diagram**

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag(II)F2/Cu(II)F2 Phase Diagram**

Dialkyl carbonates enforce energy storage as new dielectric liquids

Controlling orbital ordering of intergrowth structures with flat [Ag(II)F2] layers to mimic oxocuprates(ii)

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Resources

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Charge doping to flat AgF₂ monolayers in a chemical capacitor setup

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag^(II)F₂/Cu^(II)F₂ Phase Diagram**

Unexpected Coexisting Solid Solutions in the Quasi‐Binary Ag^(II)F₂/Cu^(II)F₂ Phase Diagram**

Controlling orbital ordering of intergrowth structures with flat [Ag^(II)F₂] layers to mimic oxocuprates(ii)