Single Crystal Growth and Study of the Ferromagnetic Superconductor RbEuFe4As4

Jin Ke Bao, Kristin Willa, Matthew P. Smylie, Haijie Chen, Ulrich Welp, Duck Young Chung, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

RbEuFe4As4 exhibits both superconducting order in the FeAs layers and ferromagnetic order in the Eu layers, providing a good platform to study the interaction and microscopic coexistence of these two traditionally incompatible orders. Growing high-quality RbEuFe4As4 single crystals is essential to investigate these phenomena at a deeper level. Here we report the successful growth of the RbEuFe4As4 single crystals with millimeter-size dimensions using a RbAs flux. The high-quality crystals were characterized via resistivity, magnetization, and heat capacity measurements. Single crystal X-ray diffraction data refinements reveal almost regular FeAs4 tetrahedra (As1-Fe-As1 = 108.60(7)°, As2-Fe-As2 = 109.01(8)°, and As1-Fe-As2 = 109.81(2)°) in RbEuFe4As4, providing structural support for the highest superconducting transition temperature (Tc = 36.8 K) among all known AAeFe4As4 (A = K, Rb, Cs; Ae = Ca, Sr, Eu) compounds. Our flux method using RbAs can also be employed to grow other desired transition metal compounds targeting the same crystal structure.

Original languageEnglish
Pages (from-to)3517-3523
Number of pages7
JournalCrystal Growth and Design
Volume18
Issue number6
DOIs
Publication statusPublished - Jun 6 2018

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Crystallization
Crystal growth
Superconducting materials
crystal growth
Single crystals
single crystals
Transition metal compounds
Fluxes
metal compounds
tetrahedrons
Superconducting transition temperature
Specific heat
Magnetization
platforms
Crystal structure
transition metals
transition temperature
specific heat
X ray diffraction
magnetization

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Single Crystal Growth and Study of the Ferromagnetic Superconductor RbEuFe4As4 . / Bao, Jin Ke; Willa, Kristin; Smylie, Matthew P.; Chen, Haijie; Welp, Ulrich; Chung, Duck Young; Kanatzidis, Mercouri G.

In: Crystal Growth and Design, Vol. 18, No. 6, 06.06.2018, p. 3517-3523.

Research output: Contribution to journalArticle

Bao, Jin Ke ; Willa, Kristin ; Smylie, Matthew P. ; Chen, Haijie ; Welp, Ulrich ; Chung, Duck Young ; Kanatzidis, Mercouri G. / Single Crystal Growth and Study of the Ferromagnetic Superconductor RbEuFe4As4 In: Crystal Growth and Design. 2018 ; Vol. 18, No. 6. pp. 3517-3523.
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