diff --git a/identifiers.tsv b/identifiers.tsv
index 2431abe6f59375bd39bc88ded1735467fe2ce42b..f791d4f359993186b6cd30a5d7b93ba45642c7e4 100644
--- a/identifiers.tsv
+++ b/identifiers.tsv
@@ -3337,3 +3337,4 @@ id	na_id	identifier	context_id	context_pid	canonical_url	ticket	ts_md_fetch	ts_d
 	1	10.25365/phaidra.637	1		https://phaidra.univie.ac.at/o:2116188	37544	2025-02-07T185654Z	2025-02-07T185654Z	
 	1	10.25365/phaidra.638	1		https://phaidra.univie.ac.at/o:2116535	37554	2025-02-12T134645Z	2025-02-12T134645Z	
 	1	10.25365/phaidra.639	1			37569			
+	1	10.25365/phaidra.640	1		https://phaidra.univie.ac.at/o:2118675	37573	2025-02-17T071913Z	2025-02-17T071913Z	
diff --git a/metadata/phaidra/phaidra.640.xml b/metadata/phaidra/phaidra.640.xml
new file mode 100644
index 0000000000000000000000000000000000000000..007ed4b7734ac73e852972dbf9c0e1c5729a5643
--- /dev/null
+++ b/metadata/phaidra/phaidra.640.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://datacite.org/schema/kernel-4" xsi:schemaLocation="http://datacite.org/schema/kernel-4 http://schema.datacite.org/meta/kernel-4/metadata.xsd">
+  <identifier identifierType="DOI">10.25365/phaidra.640</identifier>
+  <creators>
+    <creator>
+      <creatorName nameType="Personal">Wolfgang Lang</creatorName>
+      <givenName>Wolfgang</givenName>
+      <familyName>Lang</familyName>
+    </creator>
+  </creators>
+  <titles>
+    <title>Temporal Evolution of Resistance in He-Irradiated YBa2Cu3O7 Thin Films</title>
+  </titles>
+  <publisher>MDPI</publisher>
+  <publicationYear>2024</publicationYear>
+  <descriptions>
+    <description descriptionType="Other">Evolution of the resistance vs. temperature characteristics of a YBa2Cu3O7 thin film after imprinting a square pinning array of 200 nm spacings by focused helium irradiation. The black line represents the measurement of the sample before irradiation.
+Extended data set of Figure 7 in the publication by S. Keppert, B. Aichner, P. Rohringer, M.-A. Aurel Bodea, B. Müller, M. Karrer, R. Kleiner, E. Goldobin, D. Koelle, J. D. Pedarnig, W. Lang: Temporal Evolution of Defects and Related Electric Properties in He-Irradiated YBa2Cu3O7−δ Thin Films, Int. J. Mol. Sci., 25, 7877 (2024), https://doi.org/10.3390/ijms25147877.
+Acknowledgment: The research was funded in whole, or in part, by the Austrian Science Fund (FWF) grant DOI: 10.55776/I4865.</description>
+  </descriptions>
+  <resourceType resourceTypeGeneral="Other">Asset</resourceType>
+  <language>eng</language>
+  <dates>
+    <date dateType="Created">2025-02-14T12:29:26.880Z</date>
+  </dates>
+  <subjects>
+    <subject>Supraleitung</subject>
+    <subject>Superconductivity</subject>
+    <subject>ÖFOS 2012 -- NATURWISSENSCHAFTEN (1) -- Physik, Astronomie (103) -- Physik, Astronomie (1030) -- Supraleitung (103033)</subject>
+    <subject>ÖFOS 2012 -- NATURAL SCIENCES (1) -- Physics, Astronomy (103) -- Physics, Astronomy (1030) -- Superconductivity (103033)</subject>
+    <subject>cuprate superconductor; helium-ion irradiation; long-term stability; irradiation damage healing; vortex pinning; room-temperature annealing; diffusion coefficients; activation energy; commensurability effects</subject>
+  </subjects>
+  <sizes>
+    <size>277942 b</size>
+  </sizes>
+  <formats>
+    <format>application/pdf</format>
+  </formats>
+  <rightsList>
+    <rights rightsURI="http://creativecommons.org/licenses/by/4.0/">http://creativecommons.org/licenses/by/4.0/</rights>
+  </rightsList>
+</resource>