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Advanced Functional Materials (2026): e77288
Nanoscale Spatial Tuning of Superconductivity in Cuprate Thin Films via Direct Laser Writing
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Cuprate high-temperature superconductors, such as Yttrium Barium Copper Oxide (YBCO), are extremely promising for emerging technologies such as low-power computing, data storage, quantum sensors, and superconducting electronics. However, the realization of high-performance functional nanostructures presents formidable challenges due to the difficulty of applying conventional nanofabrication methods to such sensitive materials, making the search for alternative methods a key enabling factor. Since YBCO's superconducting and normal-state properties are highly dependent on oxygen stoichiometry, precise nanoscale control of the oxygen content represents a highly appealing approach for creating advanced nanoengineered devices. In this work, we demonstrate the precise fabrication of sub-micrometer, grayscale patterns over large areas in epitaxial YBCO thin films, achieving finely tuned optical and superconducting transport properties by locally controlling the stoichiometry through maskless direct laser writing under ambient conditions. Cryogenic magneto-optical imaging and transport measurements in irradiated devices directly demonstrate the spatial tuning of the critical temperature and carrier density with the patterning conditions. Correlated Raman microscopy and reflectometry indicate a laser-power-dependent oxygen depletion in the irradiated regions. The proposed laser-controlled stoichiometry approach provides a direct and scalable method to navigate the phase diagram of high-TC superconducting oxides, offering new possibilities for integrating functional nanostructures into superconducting devices.
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Advanced Engineering Materials 2026, 0, e202503159
The PRIMA Thesaurus for Materials Science and Engineering
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Materials science and engineering (MSE) is characterized by heterogeneous workflows, often coupled with limited research data management (RDM) practices. In particular, provenance metadata are often confined within individual electronic laboratory notebooks (ELNs), highlighting the need for semantic resources that support findable, accessible, interoperable, and reusable (FAIR) data, while remaining accessible to nonexperts. The presented Provenance information for materials science (PRIMA) Thesaurus addresses this challenge by providing a structured vocabulary for describing experimental and computational workflows, without relying on complex conceptual models or formal axiomatization. Its development, based on an iterative process involving domain experts, includes requirement analysis across multiple techniques, selection and harmonization of concepts, and alignment with existing community standards. The resulting terminology, structured in a few hierarchical layers, is implemented in Simple Knowledge Organization System (SKOS) to ensure flexibility and ease of integration. The applicability of PRIMA as a versatile resource capable of serving diverse scientific disciplines is demonstrated through use cases spanning theoretical and experimental condensed-matter physics, metrology, surface science, and metallic biomaterial research. These examples illustrate the integration of concepts into various ELNs and metadata schemas, showing how this shared semantic layer supports consistent data description, improves discoverability, and enables cross-platform interoperability.
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Electrochimica Acta, 575, 149538 (2026)
Sr-free cathodes for solid oxide fuel cells operating under CO2-rich atmospheres: performance and structural stability
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CO2-tolerant cathodes are required to successfully integrate SOFCs into new-generation oxy-fired hybrid power production cycles. Sr-free rare-earth nickelates are valid alternatives to state-of-the-art Sr-based perovskites, which are prone to deactivation via carbonate formation. Accordingly, we tested planar 25 cm2 SOFCs (SolydEra) with YSZ electrolyte and supporting Ni-YSZ anode, equipped with two different types of bilayer cathodes, either La2NiO4+s/LaNi0.6Fe0.4O3-s (LNO/LNFO) or Pr2NiO4+s/Pr2Ni0.9Fe0.1O4+s (PNO/PNFO) cathode. The SOFCs performance was evaluated at 700 degrees C collecting I/V curves and impedance spectra, supplying the cathode either with air or with a 21% O2 79% CO2 mixture, while feeding the anode with 7% humidified H2. When substituting air with the O2/CO2 mixture, the current density at 0.7 V decreased by 40% (from 537 to 324 mA/cm2) on the Prbased SOFC, while on the La-based SOFC by 29% (from 150 to 107 mA/cm2). Post-test XRD and in situ synchrotron XRD showed that CO2 severely accelerates the phase decomposition of PNO and PNFO, while LNO and LNFO remain structurally stable. On exposure to CO2, thermogravimetric analyses and in situ XPS at nearambient-pressure confirmed that carbonation occurred in all the samples, with the concentration of oxygen sites (either vacancies or interstitials) playing a major role in establishing the adsorption capability. Despite the absence of Sr, La- and Pr-based nickelates still adsorb CO2, which kinetically affects the SOFC performance. Compared to PNO/PNFO, LNO/LNFO revealed more promising thanks to superior stability and lower CO2 uptake.
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Deliverables view all
WP2 - MGT2 - Pilot scheme for the management of a distributed research infrastructure offering harmonised, interoperable and integrated services
D2.9 - Schemes for a sustainable technical and scientific long-term management
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The Integrated Distributed Research Infrastructure for Nanoscience (IDRIN) has been conceived as a coordinated and interoperable operational model for a distributed research infrastructure bringing together the facilities and services offered by the NEP consortium under a common coordinated framework. The NFFA-Europe IDRIN encompasses a broad ensemble of access providers, including both beneficiaries and Third Parties providing access against Payment (TPaP), whose complementary scientific and technological capabilities collectively form a single and unique European Research Infrastructure (RI) for the science of matter and advanced materials at the nanoscale, with upscale to micro analysis and technology. While maintaining the distributed nature of its constituent facilities, the IDRIN is designed to operate as a single integrated RI. Its operational model combines geographically distributed installations with central coordination mechanisms and local operational nodes, enabling harmonised access procedures, coordinated service delivery, and effective interoperability among providers. Through this approach, users can access via a Single Entry Point (SEP) a broad portfolio of techniques, instruments and expertise through a common framework, independently of the location of the resources required to perform their research. The coordinated operation of IDRIN relies on several dedicated components, each addressing a specific aspect of the infrastructure management. Scientific quality is ensured through the Access Review Panel (ARP), an independent external peer-review body responsible for evaluating the scientific merit of user proposals. Technical coordination is ensured by the Technical Liaison Network (TLNet), a distributed network composed of a central coordinating node and local nodes at provider sites, assessing technical feasibility, supporting users, and coordinating the implementation of optimised work plans across co-located and distributed facilities. The user-oriented dimension of the infrastructure is supported by the User Office Network (UONet) that coordinates the activities of local User Offices, aiming at the provision of harmonised administrative and logistical services throughout the access lifecycle. Through common procedures and shared service standards, UONet supports users in matters such as travel and subsistence reimbursement, logistics, legal and insurance aspects, while contributing to the integration of administrative information across the infrastructure. A further fundamental component of IDRIN is the data management framework, which supports the implementation of FAIR data principles and promotes advanced data stewardship practices across all infrastructure activities. The data management platform provides an integrated environment linking scientific datasets, metadata and access-related information, enabling the production, storage and exploitation of FAIR research data while supporting monitoring, reporting and future socio-economic analyses of the infrastructure usage. Together, these coordination components provide the scientific, technical, operational and datamanagement foundations required to operate the IDRIN as a coherent distributed infrastructure. To support the development of sustainable schemes for the long-term technical and scientific management of the IDRIN, the coordinators of the main operational components were invited to assess the strengths and weaknesses of the current operational model and explain their view on the needs for its further evolution. The analysis presented in this deliverable is based on their contributions and on the common themes emerging across the different coordination areas.
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WP2 - MGT2 - Pilot scheme for the management of a distributed research infrastructure offering harmonised, interoperable and integrated services
D2.8 - Second call for additional providers
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According to the Grant Agreement, in the lifetime of NFFA-Europe Pilot the Transnational Access offer must enlarge to meet (i) the qualitative needs of users that could be better met with new specialized providers, or (ii) quantitative needs resulting in oversubscription of the current capacity. To this aim, two calls for additional access providers were foreseen at M24 and M40, respectively. This report describes the rationale that led to the text of the second call for additional access providers, i.e. from the evaluation of the needs – mainly based on the analysis provided in the deliverable D2.7 “Second balance of access provision” - to the search for alternative solutions to widen and strengthen the current offer.
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WP14 - JA4 - A safe-by-design platform for nanomaterials
D14.4 - Integration and characterization of the space correlation functionality on the complete setup
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This report presents an experimental workflow designed to perform correlative measurements as part of the NEP-NFFA project, using silicon nitride (Si3N4) membranes equipped with platinum (Pt) markers. These membranes were developed through a collaboration between DESY NanoLab and ESRF-ID21. DESY NanoLab was responsible for the Pt deposition on the Si3N4 membranes, while ESRF-ID21 carried out the correlative measurements. The purpose of the Pt markers on the membranes is to act as fiducial points that help to precisely locate specific regions or points of interest (ROI/POI) with micrometric or nanometric accuracy. This is essential to analyze the same point of the sample using different techniques, and to collect complementary data for a better understanding of the sample. The proposed workflow involves complementary techniques such as optical microscopy, scanning electron microscopy (SEM), and synchrotron-based techniques like micro X-ray fluorescence (µXRF) performed at the nano-X-ray microscope (nano-SXM) at beamline ID21 of the Softhis report describes the initial design of the membranes with the markers, as well as the optimized version, based on results obtained during the first tests with nano-SXM. In addition, it shows how the Pt markers enable accurate correlation through the web-based graphical interface Daiquiri, linking the morphological information from optical microscopy with the chemical information obtained from µXRF. The technical feasibility of this approach has been confirmed, showing that the process is reproducible and potentially applicable to similar studies. This is possible due to the standardized Pt deposition process and the use of nano-SXM for sample localization and data acquisition.
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Transnational Access Statistics
31 calls for access
1176 proposals submitted
61% rate of acceptance
30% with Large Scale Facilities
13% with theory
12% with industry
~3 average users per proposal
66 countries applying
3653 lab sessions