## Abstract

This paper presents computer simulations of CuxZr100−x (x = 36, 50, 64) in the liquid and glass phases. The

simulations are based on the effective-medium theory potentials. We find good invariance of both structure

and dynamics in reduced units along the isomorphs of the systems. The state points studied involve a density

variation of almost a factor of 2 and temperatures going from 1500 K to above 4000 K for the liquids and

from 500 K to above 1500 K for the glasses. For comparison, results are presented also for similar temperature

variations along isochores, showing little invariance. In general for a binary system the phase diagram has three

axes: composition, temperature, and pressure (or density). When isomorphs are present, there are effectively

only two axes, and for a fixed composition there is just one. We conclude that the liquid and glass parts

of the thermodynamic phase diagram of this metallic glass former at a fixed composition are effectively

one-dimensional in the sense that many physical properties are invariant along the same curves, implying that in

order to investigate the phase diagram, it is only necessary to go across these curves.

simulations are based on the effective-medium theory potentials. We find good invariance of both structure

and dynamics in reduced units along the isomorphs of the systems. The state points studied involve a density

variation of almost a factor of 2 and temperatures going from 1500 K to above 4000 K for the liquids and

from 500 K to above 1500 K for the glasses. For comparison, results are presented also for similar temperature

variations along isochores, showing little invariance. In general for a binary system the phase diagram has three

axes: composition, temperature, and pressure (or density). When isomorphs are present, there are effectively

only two axes, and for a fixed composition there is just one. We conclude that the liquid and glass parts

of the thermodynamic phase diagram of this metallic glass former at a fixed composition are effectively

one-dimensional in the sense that many physical properties are invariant along the same curves, implying that in

order to investigate the phase diagram, it is only necessary to go across these curves.

Originalsprog | Engelsk |
---|---|

Artikelnummer | 134204 |

Tidsskrift | Physical Review B |

Vol/bind | 103 |

Udgave nummer | 13 |

Antal sider | 13 |

ISSN | 2469-9950 |

DOI | |

Status | Udgivet - 13 apr. 2021 |