Thermal diffusivity measurements of sub-micron organic dye thin films using a high temperature superconductor bolometer

Steven M. Savoy, Cyndi A. Wells, John McDevitt, Timothy A. Rhodes

Research output: Contribution to journalArticle

Abstract

The thermal diffusivity of a thin organic dye layer deposited atop thin films of the high temperature superconductor YBa2Cu3O7-δ is measured using a pulsed laser flash method. Here, the underlying superconductor acts as a highly sensitive temperature transducer after appropriate conversion of the transient voltage response from 7 ns optical pulses. Film surface temperature decays for several thicknesses of the dye layers were evaluated; these decays exhibited a linear dependence of the time at half temperature maximum versus thickness squared. Three dimensional finite difference modeling was used to study and extract the thermal diffusivity values of the thin organic layers as well as to investigate the transient temperature distributions within the dye and superconductor areas.

Original languageEnglish (US)
Pages (from-to)3387-3389
Number of pages3
JournalApplied Physics Letters
Volume73
Issue number23
DOIs
StatePublished - 1998

Fingerprint

bolometers
thermal diffusivity
high temperature superconductors
dyes
thin films
decay
surface temperature
flash
pulsed lasers
transducers
temperature distribution
temperature
electric potential
pulses

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Thermal diffusivity measurements of sub-micron organic dye thin films using a high temperature superconductor bolometer. / Savoy, Steven M.; Wells, Cyndi A.; McDevitt, John; Rhodes, Timothy A.

In: Applied Physics Letters, Vol. 73, No. 23, 1998, p. 3387-3389.

Research output: Contribution to journalArticle

@article{372e660d5ae74f1db0d9b7caf814e240,
title = "Thermal diffusivity measurements of sub-micron organic dye thin films using a high temperature superconductor bolometer",
abstract = "The thermal diffusivity of a thin organic dye layer deposited atop thin films of the high temperature superconductor YBa2Cu3O7-δ is measured using a pulsed laser flash method. Here, the underlying superconductor acts as a highly sensitive temperature transducer after appropriate conversion of the transient voltage response from 7 ns optical pulses. Film surface temperature decays for several thicknesses of the dye layers were evaluated; these decays exhibited a linear dependence of the time at half temperature maximum versus thickness squared. Three dimensional finite difference modeling was used to study and extract the thermal diffusivity values of the thin organic layers as well as to investigate the transient temperature distributions within the dye and superconductor areas.",
author = "Savoy, {Steven M.} and Wells, {Cyndi A.} and John McDevitt and Rhodes, {Timothy A.}",
year = "1998",
doi = "10.1063/1.122775",
language = "English (US)",
volume = "73",
pages = "3387--3389",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Publising LLC",
number = "23",

}

TY - JOUR

T1 - Thermal diffusivity measurements of sub-micron organic dye thin films using a high temperature superconductor bolometer

AU - Savoy, Steven M.

AU - Wells, Cyndi A.

AU - McDevitt, John

AU - Rhodes, Timothy A.

PY - 1998

Y1 - 1998

N2 - The thermal diffusivity of a thin organic dye layer deposited atop thin films of the high temperature superconductor YBa2Cu3O7-δ is measured using a pulsed laser flash method. Here, the underlying superconductor acts as a highly sensitive temperature transducer after appropriate conversion of the transient voltage response from 7 ns optical pulses. Film surface temperature decays for several thicknesses of the dye layers were evaluated; these decays exhibited a linear dependence of the time at half temperature maximum versus thickness squared. Three dimensional finite difference modeling was used to study and extract the thermal diffusivity values of the thin organic layers as well as to investigate the transient temperature distributions within the dye and superconductor areas.

AB - The thermal diffusivity of a thin organic dye layer deposited atop thin films of the high temperature superconductor YBa2Cu3O7-δ is measured using a pulsed laser flash method. Here, the underlying superconductor acts as a highly sensitive temperature transducer after appropriate conversion of the transient voltage response from 7 ns optical pulses. Film surface temperature decays for several thicknesses of the dye layers were evaluated; these decays exhibited a linear dependence of the time at half temperature maximum versus thickness squared. Three dimensional finite difference modeling was used to study and extract the thermal diffusivity values of the thin organic layers as well as to investigate the transient temperature distributions within the dye and superconductor areas.

UR - http://www.scopus.com/inward/record.url?scp=0032494918&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0032494918&partnerID=8YFLogxK

U2 - 10.1063/1.122775

DO - 10.1063/1.122775

M3 - Article

AN - SCOPUS:0032494918

VL - 73

SP - 3387

EP - 3389

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 23

ER -