Huge magnetoresistance and ultrasharp metamagnetic transition in polycrystalline Sm0.5Ca0.25Sr0.25MnO3
Large magnetoresistive materials are of immense interest for a number of spintronic
applications, such as the development of high-density magnetic memory devices, magnetic …
applications, such as the development of high-density magnetic memory devices, magnetic …
[HTML][HTML] Fundamental aspects of the martensite transformation curve in Fe-Ni-X and Fe-C alloys
This work initially reviews fundamental aspects of nucleation and growth of martensite. Next,
based on previous work as well as on new unpublished work it proposes a probabilistic …
based on previous work as well as on new unpublished work it proposes a probabilistic …
[HTML][HTML] Pressure-induced kinetics of the α to ω transition in zirconium
Diamond anvil cells (DAC) coupled with x-ray diffraction (XRD) measurements are one of
the primary techniques for investigating structural stability of materials at high pressure …
the primary techniques for investigating structural stability of materials at high pressure …
Monte Carlo simulations of strain pseudospins: Athermal martensites, incubation times, and entropy barriers
We study martensitic transition kinetics through temperature-quench Monte Carlo
simulations for a square/rectangle ferroelastic transition, described by a Hamiltonian of three …
simulations for a square/rectangle ferroelastic transition, described by a Hamiltonian of three …
Power-law description of martensite transformation curves
This paper revisits the transformation curves of martensite. We obtained a comparative
function compatible with plate and lath transformation validated with independent …
function compatible with plate and lath transformation validated with independent …
[HTML][HTML] Athermal martensite transformation curve
In a recent paper, the present authors [Materials Research. 2015. 18 (3): 595-601]
demonstrated that the thickness of athermal martensite plates had a thermally activated …
demonstrated that the thickness of athermal martensite plates had a thermally activated …
Understanding Vogel-Fulcher–like equilibration times through the partial equilibration scenario
N Shankaraiah, KPN Murthy, SR Shenoy - Europhysics Letters, 2023 - iopscience.iop.org
We test a post-quench Partial Equilibration Scenario (PES) of Ritort and colleagues, through
Monte Carlo quench simulations, of a vector-spin model for a cubic-to-tetragonal, martensitic …
Monte Carlo quench simulations, of a vector-spin model for a cubic-to-tetragonal, martensitic …
Re-equilibration after quenches in athermal martensites: conversion delays for vapor-to-liquid domain-wall phases
Entropy barriers and aging states appear in martensitic structural-transition models, slowly
re-equilibrating after temperature quenches, under Monte Carlo dynamics. Concepts from …
re-equilibrating after temperature quenches, under Monte Carlo dynamics. Concepts from …
Understanding glass-like Vogel-Fulcher-Tammann equilibration times: microcanonical effective temperatures in quenched 3D martensites
N Shankaraiah, KPN Murthy, SR Shenoy - arxiv preprint arxiv:2111.04290, 2021 - arxiv.org
We do Monte Carlo simulations of four 3D structural transitions, with vector-spin models of
their martensitic strain domains under quenches to $ T $, to test a generic post-quench …
their martensitic strain domains under quenches to $ T $, to test a generic post-quench …
Partial Equilibration Scenario in 3D athermal martensites quenched below first-order transition temperatures
N Shankaraiah, KPN Murthy, SR Shenoy - arxiv preprint arxiv:2210.01997, 2022 - arxiv.org
To test a Partial Equilibration Scenario (PES) of Ritort and colleagues, we do Monte Carlo
simulations of discretized-strain spin models, for four 3D martensitic structural transitions …
simulations of discretized-strain spin models, for four 3D martensitic structural transitions …