Higher-order transition

Term · Chemistry · MLC-T-CHM-005291

A phase transition at which the first and second temperature and pressure derivatives of the Gibbs energy stay continuous, so that only a third-order or higher derivative jumps. It therefore has no latent heat and no jump in heat capacity, which separates it from a second-order transition, where the heat capacity is discontinuous.

Table 1. Record
Identifier	MLC-T-CHM-005291
Field	Chemistry
Subject	Inorganic Chemistry
Synonyms	smooth transition
References	PAC, 1994, 66, 577. 'Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)' on page 583 (https://doi.org/10.1351/pac199466030577)
See also	Gibbs energy; Helmholtz energy; Chemical potential

Record as JSON

{
  "id": "MLC-T-CHM-005291",
  "term": "Higher-order transition",
  "field": "Chemistry",
  "definition": "A phase transition at which the first and second temperature and pressure derivatives of the Gibbs energy stay continuous, so that only a third-order or higher derivative jumps. It therefore has no latent heat and no jump in heat capacity, which separates it from a second-order transition, where the heat capacity is discontinuous.",
  "synonyms": [
    "smooth transition"
  ],
  "subject": "Inorganic Chemistry",
  "see_also": [
    "Gibbs energy",
    "Helmholtz energy",
    "chemical potential"
  ],
  "references": [
    "PAC, 1994, 66, 577. 'Definitions of terms relating to phase transitions of the solid state (IUPAC Recommendations 1994)' on page 583 (https://doi.org/10.1351/pac199466030577)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/higher-order-transition/"
}

Record 5,605 of 13,676 in Chemistry terminology (MLC-0109). Request the full dataset.