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Title: Enhanced Reactivity of Lithium and Copper at High Pressure

Abstract

High pressure can profoundly affect the electronic structure and reactivity, creating compounds between elements that do not react at ambient conditions. Lithium is known to react with gold and silver; however, no copper compounds are known to date. Here, by compressing mixtures of the elements in diamond-anvil cells, compounds of lithium and copper have been synthesized and characterized by X-ray diffraction for the first time. Pressures as low as 1 GPa lead to the formation of a complex layered phase LiCu, displaying two-dimensional kagomé lattice layers of Cu atoms. With increasing pressure, the layered Cu–Cu bonding is replaced by linear chains of Cu atoms in the high-pressure phase Li2Cu. Here we show the powerful effects of even modest pressures on the reactivity of lithium, leading to structures of remarkable complexity and low-dimensional transition metal bonding.

Authors:
ORCiD logo [1];  [1];  [1];  [2];  [1]
  1. Center for High Pressure Science & Technology Advanced Research (HPSTAR), Shanghai (China)
  2. Center for High Pressure Science & Technology Advanced Research (HPSTAR), Shanghai (China); Univ. of Edinburgh (United Kingdom)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
OSTI Identifier:
1440597
Grant/Contract Number:  
AC02-06CH11357; NA0001974
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physical Chemistry Letters
Additional Journal Information:
Journal Volume: 9; Journal Issue: 11; Journal ID: ISSN 1948-7185
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
ENGLISH
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; physical and chemical processes; gold; phase transitions; layers; lithium

Citation Formats

Binns, Jack, Dalladay-Simpson, Philip, Wang, Mengnan, Gregoryanz, Eugene, and Howie, Ross T. Enhanced Reactivity of Lithium and Copper at High Pressure. United States: N. p., 2018. Web. https://doi.org/10.1021/acs.jpclett.8b01350.
Binns, Jack, Dalladay-Simpson, Philip, Wang, Mengnan, Gregoryanz, Eugene, & Howie, Ross T. Enhanced Reactivity of Lithium and Copper at High Pressure. United States. https://doi.org/10.1021/acs.jpclett.8b01350
Binns, Jack, Dalladay-Simpson, Philip, Wang, Mengnan, Gregoryanz, Eugene, and Howie, Ross T. Tue . "Enhanced Reactivity of Lithium and Copper at High Pressure". United States. https://doi.org/10.1021/acs.jpclett.8b01350. https://www.osti.gov/servlets/purl/1440597.
@article{osti_1440597,
title = {Enhanced Reactivity of Lithium and Copper at High Pressure},
author = {Binns, Jack and Dalladay-Simpson, Philip and Wang, Mengnan and Gregoryanz, Eugene and Howie, Ross T.},
abstractNote = {High pressure can profoundly affect the electronic structure and reactivity, creating compounds between elements that do not react at ambient conditions. Lithium is known to react with gold and silver; however, no copper compounds are known to date. Here, by compressing mixtures of the elements in diamond-anvil cells, compounds of lithium and copper have been synthesized and characterized by X-ray diffraction for the first time. Pressures as low as 1 GPa lead to the formation of a complex layered phase LiCu, displaying two-dimensional kagomé lattice layers of Cu atoms. With increasing pressure, the layered Cu–Cu bonding is replaced by linear chains of Cu atoms in the high-pressure phase Li2Cu. Here we show the powerful effects of even modest pressures on the reactivity of lithium, leading to structures of remarkable complexity and low-dimensional transition metal bonding.},
doi = {10.1021/acs.jpclett.8b01350},
journal = {Journal of Physical Chemistry Letters},
number = 11,
volume = 9,
place = {United States},
year = {2018},
month = {5}
}

Journal Article:
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Cited by: 2 works
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