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Ferromagnetism and superconductivity with possible p+ip pairing symmetry in partially hydrogenated graphene

Hong-Yan Lu, Lei Hao, Rui Wang, C. S. Ting

DOI 10.1103/PhysRevB.93.241410 · Physical Review B

T1

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Abstract

By means of first-principles calculations, we predict two new types of partially hydrogenated graphene systems: C6H1 and C6H5, which are shown to be a ferromagnetic (FM) semimetal and a FM narrow-gap semiconductor, respectively. When properly doped, the Fermi surface of the two systems consists of an electron pocket or six hole patches in the first Brillouin zone with completely spin-polarized charge carriers. If superconductivity exists in these systems, the stable pairing symmetries are shown to be p+ip for both electron- and hole-doped cases. The predicted systems may provide fascinating platforms for studying the novel properties of the coexistence of ferromagnetism and triplet-pairing superconductivity.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
C6H1

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—Pressure not reportedunknown
C6H5

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—Pressure not reportedunknown
UGe2

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—Pressure not reportedunknown
ZrZn2

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—Pressure not reportedunknown
URhGe

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—Pressure not reportedunknown
UCoGe

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—Pressure not reportedunknown

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