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Correlation of composition, structure and superconductivity in electron-doped...
The purpose of this experiment is to gather structural data on the electron-doped derivatives of LiFeAs obtained by substituting some Fe by Co or Ni. In particular these data... -
Structures and magnetism of iron arsenide superconductors with widely separat...
The recent discovery of superconductivity in a series of iron pnictide materials has provided impetus to the field of new materials discovery. Like in the cuprate... -
Structures and Chemistry of new layered oxychalcogenides
We propose to use POLARIS to obtain detailed structural information on a series of new lithium-containing layered oxychalcogenides and to investigate the ordering of lithium... -
Structures of the superconducting metal/ammonia intercalates of FeSe
We will use POLARIS to determine the structures of the high temperature superconducting intercalates obtained by the reactions between FeSe and deuterated ammonia solutions... -
Structures and magnetism of chemical and electrochemical deintercalates of la...
We propose to use POLARIS to perform two related experiments. Firstly we will investigate the structures and compositions of derivatives of some layered Mn/Cu oxysulfides which... -
Structures and magnetism of iron arsenide superconductors with widely separat...
The recent discovery of superconductivity in a series of iron pnictide materials has provided impetus to the field of new materials discovery. Like in the cuprate... -
Structures of LiFeP and the solid solution LiFeAs1-xPx
In this experiment we will determine the detailed structure of the 6 K superconductor LiFeP and phases close in composition which are iron rich: Li1-xFe1+xP. This will enable... -
Correlation of structures, compositions and magnetism of copper-deficient lay...
This is part of a larger experiment which will investigate three related systems which contain copper deficient anti-fluorite-type copper sulfide layers. The overall aim is to... -
The pressure response of the new superconductor LiFeAs
We will probe the response of the 18K superconductor LiFeAa to pressures of up to 2 GPa in order to investigate the evolution of the crystal structure. In particular we wish to... -
Correlation of structure and magnetic ordering with composition in layered co...
We propose to use HRPD to determine the detailed structures of a series of cobalt oxysulfides containing Co in square planar coordination. Two compositions Sr2CoO2Cu2-deltaS2... -
Correlation of structure and magnetic ordering with composition in layered co...
We propose to use OSIRIS to determine the magnetic structures of a series of cobalt oxysulfides containing Co in square planar coordination. Several compositions... -
Structures and magnetism of layered cobalt oxide selenide tellurides
This proposal aims to exploit the high resolution of HRPD and OSIRIS to probe the structures of the solid solution Ba2CoO2Cu2(Te1-xSex)2. The compound Ba2CoO2Cu2Te2 shows... -
Correlation of structures, compositions and magnetism of copper-deficient lay...
This experiment will investigate three related systems which contain copper deficient anti-fluorite-type copper sulfide layers. The overall aim is to correlate magnetic and... -
Structures and magnetism of chemical and electrochemical deintercalates of la...
We propose to use OSIRIS to investigate the changes in magnetic ordering which occur when a series of layered oxysulfides with mixed-valent Mn ions in their oxide layers are...