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Activity Report 2025

NSRRC Activity Report 2025

Table of Contents

Message from the Director

Preface

Research Highlights

Physical Science

-	Spin Excitations and Flat Electronic Bands in a Kagome Superconductor

-	How Antiferromagnetism Shapes Superconductivity in Cuprate Materials

-	Spin-Valley Coupling Enhanced High-TC Ferromagnetism in a Non-van der Waals Monolayer Cr2Se3 on Graphene

-	When Two-Dimensional Crystals Learn to Remember

-	Peeling Ferroelectrics to Power the Next Electronics Revolution

-	An “s-Electron” Donor Band Drives the Metallic Ferromagnetism in Co-Doped ZnO Films

Chemical Science

-	A New Twist in the World of Magic-Sized Clusters

-	Atomic-Level Recycling of a Controversial Herbicide

-	How Subtle Atomic Asymmetry Makes Polymers Both Stretchable and Electrically Fast

-	Turning Nitrate Waste into Useful Ammonia Fertilizer: Custom-Built Copper Molecules for Clean Catalysis

-	When Order Defies Nature: Hexagonal High-Entropy Nanocrystals for Accelerated Hydrogen Evolution

Life Science

-	How Histone Marks Activate a Key DNA-Methylation Enzyme

-	Old Dogs and Their Ancient Tricks: How Cutting-Edge Structural Methods Gave Us New Insight into Ancient Molecules

-	Near-Infrared-Activated Organic Nanocomposite for Enhanced Photothermal and Photodynamic Cancer Therapy

-	ScdA: Unveiling the Nitrite-Reducing Machinery That Helps Staphylococcus aureus Survive

-	Breaking the Mold: A Distinct Class of Terpenoid Cyclases Redefines Abscisic Acid Biosynthesis

-	Infrared Clues That Help Track Lupus Nephritis Over Time

Materials Science

-	Chirality-Regulated Spin Polarization of Perovskite Nanoplates for Photocatalytic CO2 Reduction

-	Thermally Stable β -Tungsten for 64-kb SOT-MRAM: Structural Stability Revealed by Synchrotron Nanodiffraction

-	Highly Crystalline Selenium-Substituted Acceptor-Donor-Acceptor-Type Acceptor Enabling High-Mobility N-Type Transistors

-	The Mystery of Hybrid Perovskites: Why Some Crystals Act Like Both Solids and Liquids

-	Shining X-rays into the Heart of Catalytic Complexity

-	(Photo)electrochemical H2O2 Sensing Platform for Future Application in Cancer Diagnosis

Neutron Science

-	Direct Observation of Phonon Avoided-Crossing as the Origin of Ultralow Thermal Conductivity in β-Zn4Sb3

-	From Motionless to Mad Dance: Neutron Scattering Reveals the Hidden Driver of the Anomalous Hall Effect

-	Ordered Spin Structures of Multiferroic and Skyrmion Compounds

-	Neutron Reflectometry Probes Critical Interface Effects in Ferroelectric Hf0.5Zr0.5O2 Films

Green Science

-	Extremophile Algae Power Arsenic Cleanup

-	Soil properties control molybdenum uptake by wheat

-	From Atomic Dynamics to Industrial Efficiency: New Pathways for CO2 Conversion

-	Hydrogen Spillover-Driven Hydrogen Evolution Reaction via Heterointerface and Catalyst Phase Engineering

-	Projection X-ray Microscopy: Illuminating Pathways to the Future of Energy Storage

Facility Development and Status

	Status of TLS and TPS Accelerators

	Feasibility Study for TPS Upgrade: 6BA Solution

	Development of a Nonlinear In-Vacuum Kicker at the TPS

	TPS LINAC Pulsed High-Power RF System Upgrade

	Application of AI Intelligent Control in Utility Systems

	Exploring the Dynamic Structural Evolution of Materials: TPS 20A Two-Dimensional X-ray Diffraction Beamline

	Attenuator Design at TPS and SPring-8 12B2

	Industrial Applications at the NSRRC (2024–2025)

Facts and Figures

Appendix