Carbon Based Superconductors

TL;DR

This review discusses various recent carbon-based superconductors, including layered carbide halides, rare earth carbides, and intercalated graphite compounds, highlighting their properties and recent discoveries in the field.

Contribution

It provides a comprehensive summary of recent developments and properties of novel carbon-based superconductors discovered over the past two decades.

Findings

Layered carbide halides exhibit superconductivity with unique properties.

Rare earth carbides show promising superconducting characteristics.

Intercalated graphite compounds like CaC6 and YbC6 are recent superconductors with notable features.

Abstract

We review the characteristics of some carbon based novel superconductors which emerged in the past two decades since the discovery of superconductivity in the high-T_c oxocuprates. In particular, we summarize the properties of ternary layered carbide halides of the rare rarth metals with composition RE2C2X2 (RE = Y, La; X=Cl, Br, I) and of the rare earth di- and sesquicarbides, YC2, LaC2 and La2C3. Finally, we briefly discuss the properties of the recently discovered Ca and Yb intercalated graphite superconductors, CaC6 and YbC6.