Ion track etching revisited: II. Electronic properties of aged tracks in polymers

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F18%3A00489283" target="_blank" >RIV/61389005:_____/18:00489283 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1080/10420150.2018.1442454" target="_blank" >http://dx.doi.org/10.1080/10420150.2018.1442454</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/10420150.2018.1442454" target="_blank" >10.1080/10420150.2018.1442454</a>

Result language

angličtina

Original language name

Ion track etching revisited: II. Electronic properties of aged tracks in polymers

Original language description

We compile here electronic ion track etching effects, such as capacitive-type currents, current spike emission, phase shift, rectification and background currents that eventually emerge upon application of sinusoidal alternating voltages across thin, aged swift heavy ion-irradiated polymer foils during etching. Both capacitive-type currents and current spike emission occur as long as obstacles still prevent a smooth continuous charge carrier passage across the foils. In the case of sufficiently high applied electric fields, these obstacles are overcome by spike emission. These effects vanish upon etchant breakthrough. Subsequent transmitted currents are usually of Ohmic type, but shortly after breakthrough (during the track' core etching) often still exhibit deviations such as strong positive phase shifts. They stem from very slow charge carrier mobility across the etched ion tracks due to retarding trapping/detrapping processes. Upon etching the track's penumbra, one occasionally observes a split-up into two transmitted current components, one with positive and another one with negative phase shifts. Usually, these phase shifts vanish when bulk etching starts. Current rectification upon track etching is a very frequent phenomenon. Rectification uses to inverse when core etching ends and penumbra etching begins. When the latter ends, rectification largely vanishes. Occasionally, some residual rectification remains which we attribute to the aged polymeric bulk itself. Last not least, we still consider background currents which often emerge transiently during track etching. We could assign them clearly to differences in the electrochemical potential of the liquids on both sides of the etched polymer foils. Transient relaxation effects during the track etching cause their eventually chaotic behaviour.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Project

<a href="/en/project/GBP108%2F12%2FG108" target="_blank" >GBP108/12/G108: Preparation, modification and characterization of materials by radiation</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Radiation Effects and Defects in Solids

ISSN

1042-0150

e-ISSN

—

Volume of the periodical

173

Issue of the periodical within the volume

1-2

Country of publishing house

GB - UNITED KINGDOM

Number of pages

17

Pages from-to

148-164

UT code for WoS article

000430097900017

EID of the result in the Scopus database

2-s2.0-85045467725