Crystal Growth and Characterization of HgBa2Ca2Cu3O8+δ Superconductor with the Highest Critical Temperature at Ambient Pressure

Abstract : We report an original procedure for the elaboration of very high quality single crystals of superconducting HgBa2Ca2Cu3O8+δ mercury cuprates. These single crystals are unique with very high quality surface paving the way for spectroscopic, transport and thermodynamic probes in order to understand the hole-doped cuprate phase diagram. The superconductivity transition width of about 2 K indicates they are homogeneous. Annealing allows to optimize Tc up to Tc max = 133 K. We show for the first time that with adequate heat treatment, Hg-1223 can be largely under-doped and its doping level controlled. Importantly, the crystal structure was studied in detail by single crystal X-ray diffraction, and we have identified the signature of the under-doping by a detailed sample characterization and micro-Raman spectroscopy measurements.
Document type :
Journal articles
Complete list of metadatas

Cited literature [9 references]  Display  Hide  Download

https://hal-cea.archives-ouvertes.fr/cea-01573932
Contributor : Serge Palacin <>
Submitted on : Friday, August 11, 2017 - 9:03:00 AM
Last modification on : Tuesday, October 1, 2019 - 11:46:13 AM

File

InorgChem_Thuery082017_V0.pdf
Files produced by the author(s)

Licence


Distributed under a Creative Commons Attribution 4.0 International License

Identifiers

Citation

Bastien Loret, Anne Forget, Jean-Baptiste Moussy, Sylvie Poissonnet, Patrick Bonnaillie, et al.. Crystal Growth and Characterization of HgBa2Ca2Cu3O8+δ Superconductor with the Highest Critical Temperature at Ambient Pressure. Inorganic Chemistry, American Chemical Society, 2017, 56, pp.9396-9399. ⟨10.1021/acs.inorgchem.7b01372⟩. ⟨cea-01573932⟩

Share

Metrics

Record views

173

Files downloads

239