<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-11T04:56:31Z</responseDate><request verb="GetRecord" identifier="oai:riubu.ubu.es:10259/12054" metadataPrefix="dim">https://riubu.ubu.es/oai/request</request><GetRecord><record><header><identifier>oai:riubu.ubu.es:10259/12054</identifier><datestamp>2026-09-09T09:27:18Z</datestamp><setSpec>com_10259_4313</setSpec><setSpec>com_10259_5086</setSpec><setSpec>com_10259_2604</setSpec><setSpec>col_10259_6735</setSpec><setSpec>col_10259_5684</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="42da027b-cecb-4930-bda8-f27d571c1e9d" confidence="600" orcid_id="">Urbaneja Miguel, Álvaro</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="570ebd0f-1b98-4dc0-89e2-cf6b6950fd2e" confidence="600" orcid_id="">Torija López, Alba</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="104" confidence="600" orcid_id="0000-0001-7119-6424">Carrancho Alonso, Ángel</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="297" confidence="600" orcid_id="0000-0001-8365-5616">Iriarte Avilés, Eneko</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="642" confidence="600" orcid_id="0000-0002-7600-0045">González Moreno, Sara</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="254" confidence="600" orcid_id="0000-0003-2593-3192">González Martín, José Manuel</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="556" confidence="600" orcid_id="0000-0001-5948-1230">Trigo López, Miriam</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="567" confidence="600" orcid_id="0000-0001-5522-6574">Vallejos Calzada, Saúl</dim:field>
<dim:field mdschema="dc" element="coverage" qualifier="spatial" lang="es">north=42.34106; west=-3.70184; name=Burgos, Spain</dim:field>
<dim:field mdschema="dc" element="coverage" qualifier="temporal" lang="es">start=2023; end=2025</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2026-09-09T07:05:45Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="available">2026-09-09T07:05:45Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2026-07-31</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="citation">Urbaneja Miguel, Á., Torija López, A., Carrancho, Á., Iriarte, E., Gonzalez Moreno, S., Gonzalez Martin, J. M., Trigo López, M., &amp; Vallejos, S. (2026). UBU-Polymers Research Group 12122025 [Dataset]. Universidad de Burgos. https://doi.org/10.71486/EDV4-8Z91</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">https://hdl.handle.net/10259/12054</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="doi">10.71486/edv4-8z91</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="en">The dataset contains all raw data of the work "Atmosphere-controlled thermal processing enables tunable optical properties via iron-oxide phase engineering in natural silicate materials"</dim:field>
<dim:field mdschema="dc" element="description" qualifier="sponsorship" lang="en">We gratefully acknowledge the financial support provided by all funders. Authors S. Vallejos and Á. Carrancho received Grant PID2023-147301OB-I00 and Grant PID2024-159094NB-I00, respectively, funded by MICIU/AEI/10.13039/501100011033 and FEDER. The financial support provided by Fondo Europeo de Desarrollo Regional-European Regional Development Fund (FEDER, ERDF) and Regional Government of Castilla y León -Consejería de Educación, Junta de Castilla y León- (BU025P23 and BU037P23) is gratefully acknowledged. This work was supported by the Regional Government of Castilla y León (Junta de Castilla y León) and by the Ministry of Science and Innovation MICIN and the European Union NextGenerationEU PRTR. Author Saul Vallejos received grant BG22/00086 funded by Spanish Ministerio de Universidades.</dim:field>
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<dim:field mdschema="dc" element="language" qualifier="iso" lang="es">eng</dim:field>
<dim:field mdschema="dc" element="publisher" lang="es">Universidad de Burgos</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="isreferencedby" lang="es">https://hdl.handle.net/10259/11978</dim:field>
<dim:field mdschema="dc" element="rights" lang="*">Atribución 4.0 Internacional</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="uri" lang="*">http://creativecommons.org/licenses/by/4.0/</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights" lang="es">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Iron-oxide phase equilibria</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Redox-controlled thermal processing</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Process–structure–property relationship</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Magnetite–hematite transformation</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Atmosphere-controlled heat treatment</dim:field>
<dim:field mdschema="dc" element="subject" lang="en">Functional optical materials</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="es">Ciencia de materiales</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="es">Mineralogía</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="en">Materials science</dim:field>
<dim:field mdschema="dc" element="subject" qualifier="other" lang="en">Mineralogy</dim:field>
<dim:field mdschema="dc" element="title" lang="en">UBU-Polymers Research Group 12122025</dim:field>
<dim:field mdschema="dc" element="type" lang="es">dataset</dim:field>
<dim:field mdschema="dc" element="type" qualifier="hasVersion" lang="es">info:eu-repo/semantics/acceptedVersion</dim:field>
<dim:field mdschema="dc" element="publication" qualifier="year">2026</dim:field>
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