# Multiscale out-of-equilibrium dynamics driven by pulsed laser excitation in spin-crossover materials: A combined thermoelastic and mechanoelastic study

https://mdr.nims.go.jp/datasets/a37b20c6-40c9-4608-99e4-75e1956e1b3a

## File

- [PhysRevB.108.014306.pdf](https://mdr.nims.go.jp/filesets/2d828bdd-4bf4-4c81-b748-cb356e4a7c6c/download) ([Detail](https://mdr.nims.go.jp/filesets/2d828bdd-4bf4-4c81-b748-cb356e4a7c6c.md))

## Id

a37b20c6-40c9-4608-99e4-75e1956e1b3a

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2023-07-24T23:43:24.845711Z

## Updated at

2024-01-05T13:12:59.367951Z

## Published at

2023-10-17T04:30:13.335795Z

## Doi



## First published url

https://doi.org/10.1103/PhysRevB.108.014306

## Date published

2023-07-21

## Recorded date published

2023-7

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: 'Multiscale out-of-equilibrium dynamics driven by pulsed laser excitation
    in spin-crossover materials: A combined thermoelastic and mechanoelastic study'
  title_type: original
  lang: en

## Description

- description: 'In this paper, we present an elastic model coupled with a heat propagation
    process in order to reproduce the out-of-equilibrium dynamics of spin crossover
    materials driven by femtosecond laser excitation: a multiscale out-of-equilibrium
    dynamics driven by pulsed laser excitation in spin-crossover materials (thermoelastic
    step), the thermal switching (thermal step), and the subsequent relaxation to
    the initial state on cooling. The simulations were performed for open boundaries
    two and three-dimensional samples, composed of individual molecules linked by
    springs, which stand for elastic interactions. This building-up of the samples
    allows the propagation of elastic waves, which leads to accumulation of high spin
    molecules towards edges at the maximum of the thermoelastic step. We first show
    that a simple model with a single “temperature” reproduces the thermoelastic,
    the thermal step and the relaxation to the original equilibrium state. However,
    the too slow thermalization of the lattice obtained in this model does not correspond
    to the experimental data. Therefore, to overcome this drawback, we consider either
    an inhomogeneous photoexcitation or different “temperatures” for the lattice and
    the spin states. The effect of the sample size, which prevents the existence of
    a thermal step in the case of nanoparticles is also discussed, as well as the
    three-dimensional model.'
  description_type: abstract
  lang: eng

## Creator

- name: Laurentiu Stoleriu
  role: author
- name: Masamichi Nishino
  role: author
  orcid: https://orcid.org/0000-0002-2060-2303
  organization: NIMS
  department: MANA
- name: Seiji Miyashita
  role: author
- name: Alexandru Stancu
  role: author
- name: Roman Bertoni
  role: author
- name: Eric Collet
  role: author
- name: Maciej Lorenc
  role: author
- name: Cristian Enachescu
  role: author

## Contact agent



## Publisher

organization: American Physical Society (APS)

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## Keyword

- subject: spin-crossover materials
  schema: not_defined

## Rights

- identifier: http://rightsstatements.org/vocab/InC/1.0/

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## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: PHYSICAL REVIEW B
  issn: '24699969'
  volume: '108'
  issue: '1'
  start_page: 14306
  end_page: 14306

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## Funding

- identifier: 20K03809, 18K03444
  funder_name: 日本学術振興会
  description: 弾性的長距離相互作用による競合系の多重安定化機構と光誘起相転移での新奇協力現象、多自由度の協力現象として現れる量子効果とダイナミクスの研究

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## Fileset

- id: 2d828bdd-4bf4-4c81-b748-cb356e4a7c6c
  filename: PhysRevB.108.014306.pdf
  content_type: application/pdf
  size: 5367098
  md5: fef1af089f5abdd7fca3e5a88a9e9890

## Thumbnail

fileset_id: 2d828bdd-4bf4-4c81-b748-cb356e4a7c6c
filename: PhysRevB.108.014306.pdf