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Tuning of the collapsed tetragonal phase transition in the SrTM<sub>2</sub>P<sub>2</sub> (TM = transition metal) system

ORAL

Abstract

The tetragonal to collapsed tetragonal phase transition1 combines dramatic changes in structural, electronic, and (sometimes) magnetic states. This phase transformation can be controlled by application of hydrostatic pressure or uniaxial stress and offers the possibility of achieving shape memory behavior combined with remarkable super-elastic properties in intermetallic compounds.2 For the SrTM2P2 system, given that the collapse occurs when P-P bonding takes place across Sr plane, TM substitution is the least perturbative substitution that can be made. As part of our effort to broaden our understanding and control of this transition, we have studied the effects of transition metal substitution on SrNi2P2. Here we report on solution growth and transport measurements on single crystals of SrTM2P2 (TM = Ni, Rh, Pd, Cu) which are potential hosts for the tetragonal collapse transition. Particularly, the effects of Rh-doping on SrNi2P2 will be discussed.
1Kreyssig et al., PRB 78, 184517 (2008).
2Sypek et al., Nat. Commun. 8, 1083 (2017).

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Presenters

  • Guilherme Gorgen Lesseux

    Iowa State University and Ames Laboratory

Authors

  • Guilherme Gorgen Lesseux

    Iowa State University and Ames Laboratory

  • Raquel Ribeiro

    Univ Federal do ABC, Iowa State University and Ames Laboratory

  • Sergey L. Bud'ko

    Iowa State University, Ames Laboratory and Iowa State University, Ames Lab, Ames laboratory, Ames, IA, Department of Physics & Astronomy, Iowa State University/Ames Laboratory, Ames Laboratory, Department of Physics and Astronomy, Iowa State University/Ames Laboratory, Iowa State University and Ames Laboratory, Iowa State University, Ames Laboratory, Division of Materials Sciences & Engineering, Ames Lab and Iowa State University, Iowa State University/Ames Laboratory

  • Paul C Canfield

    Iowa State University, Ames Laboratory and Iowa State University, Ames Lab, Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA, Ames laboratory, Ames, IA, Ames Laboratory, Iowa State University, Department of Physics & Astronomy, Iowa State University/Ames Laboratory, Department of Physics and Astronomy, Iowa State University/Ames Laboratory, Iowa State University and Ames Laboratory, Iowa State University, Ames Laboratory, Department of Physics and Astronomy, Iowa State University, Division of Materials Sciences & Engineering, Ames Lab and Iowa State University, Department of Physics and Astronomy, Ames Laboratory/Iowa State Univeristy, Iowa State University/Ames Laboratory