<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0872-1904</journal-id>
<journal-title><![CDATA[Portugaliae Electrochimica Acta]]></journal-title>
<abbrev-journal-title><![CDATA[Port. Electrochim. Acta]]></abbrev-journal-title>
<issn>0872-1904</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Electroquímica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-19042026000200141</article-id>
<article-id pub-id-type="doi">10.4152/pea.2026440205</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Understanding Proton Introduction and Migration in Yttria-Stabilized Zirconia from DFT Calculations and Muon-Spin Spectroscopy]]></article-title>
</title-group>
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<surname><![CDATA[Marinopoulos]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
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<contrib contrib-type="author">
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<surname><![CDATA[Vilão]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
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<contrib contrib-type="author">
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<surname><![CDATA[Alberto]]></surname>
<given-names><![CDATA[H. V.]]></given-names>
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<surname><![CDATA[Gil]]></surname>
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<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[R. B. L.]]></given-names>
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<surname><![CDATA[Lord]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
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<aff id="Af1">
<institution><![CDATA[,University of Coimbra Department of Physics CFisUC]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Aveiro Department of Chemistry CICECO - Aveiro Institute of Materials]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Rutherford Appleton Laboratory ISIS Facility ]]></institution>
<addr-line><![CDATA[Chilton ]]></addr-line>
<country>UK</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<volume>44</volume>
<numero>2</numero>
<fpage>141</fpage>
<lpage>151</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-19042026000200141&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-19042026000200141&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-19042026000200141&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract YSZ is a compound with an important role in electrochemistry applications, due to its high electrical conductivity. It is commonly used as electrolyte in solid-oxide fuel cells. Several studies have also suggested additional uses of this material as a proton conductor, when grown in Nc form. The present research reports combined theoretical and experimental results that examined the incorporation and properties of proton defect in YSZ. The calculations were based on DFT and NEB methods. MSS was also performed by studying muons evolution, a lighter hydrogen particle with non-zero spin. The results provided vital information on the formation energetics of proton defect, its migration behavior and electronic structure.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[DFT]]></kwd>
<kwd lng="en"><![CDATA[&#61517;SS]]></kwd>
<kwd lng="en"><![CDATA[NEB]]></kwd>
<kwd lng="en"><![CDATA[YSZ]]></kwd>
</kwd-group>
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