IMC Rare Earths is advancing the global supply of Magnet Rare Earth Oxides (MREOs) — with a strategic focus on dysprosium (Dy) and terbium (Tb), essential to high-performance magnets. As demand surges across clean energy, mobility, and defence, IMC is positioned as a Tier-1 supplier supporting resilient, future-ready supply chains.
Resource grows from
780 Mt to 1.1 Bt, a 40%
increase
Contained TREO metal
tonnes increase by 36%
MREO resource
tonnage increases by
83% to 105 Mt
Contained MREO
metals tonnes increase
by 78%
Inferred Mineral Resource, July 2025 - ERM Australia Consultants Pty Ltd (“ERM”).
Magnet rare earths — including neodymium (Nd), dysprosium (Dy), and terbium (Tb) — are the backbone of high-strength permanent magnets used in electric vehicles, wind turbines, robotics, and industrial automation. These materials deliver power, efficiency, and durability that traditional magnet technologies can’t match.
As the world shifts toward cleaner energy systems and carbon reduction, magnet rare earths enable the development of lighter, stronger, and more energy-efficient components. Their role in driving sustainability makes them indispensable to the future of transport, infrastructure, and grid technology.
Beyond green tech, they are also strategic minerals critical to defence, aerospace, and next-generation electronics — making secure supply chains a matter of economic and geopolitical importance.
Magnet rare earth elements (REEs) are vital for producing high-performance permanent magnets used in electric vehicles, wind turbines, robotics, medical devices, and consumer electronics. Key materials such as neodymium, praseodymium, dysprosium, and terbium enhance magnetic strength, heat resistance, and energy efficiency — making them critical to clean energy systems and advanced engineering.
These elements are mainly mined in China, with growing supply from Australia, the United States, and emerging sources in Africa and South America. Rising demand and global supply concerns have accelerated efforts to diversify magnet REE supply chains, increase recycling of NdFeB magnets, and explore low-dependence magnet alternatives.
This section explores the uses, sources, and strategic value of magnet rare earths, along with innovations in sustainable magnet technologies — helping you understand their role in the future of renewable energy, mobility, and smart manufacturing.
Magnet rare earth elements are essential for producing high-strength permanent magnets used in EV motors, wind turbines, robotics, medical devices, and consumer electronics. These magnets deliver exceptional power-to-weight performance, enabling breakthroughs in clean energy and smart manufacturing.
The key magnet rare earths are neodymium (Nd), praseodymium (Pr), dysprosium (Dy), and terbium (Tb). These are combined in NdFeB magnets, the most powerful commercial magnets available. Dy and Tb enhance thermal stability for demanding applications like EV drivetrains and defence systems.
Rare earth magnets provide maximum strength in compact designs, enabling lighter, more efficient motors and systems. They reduce energy loss, increase torque, and are critical to innovations in transport, clean tech, aerospace, and defence.
Over 85% of magnet REEs are mined and refined in China, creating risks around geopolitics, pricing, and availability. Limited refining capacity outside China and rising demand from EV and energy sectors drive concerns. As a result, governments and manufacturers are investing in diversified supply, domestic processing, and REE recycling.
Alternatives include ferrite magnets, iron-nitride compounds, and hybrid magnetic designs. These options reduce reliance on rare earths but typically offer lower strength and efficiency. Research into recycling, nanomaterials, and low-dependence designs continues to improve performance and sustainability.
The most important magnet rare earth elements are neodymium (Nd), praseodymium (Pr), dysprosium (Dy), and terbium (Tb). These four elements form the basis of high-performance permanent magnets used across electric vehicles, wind turbines, robotics, and clean tech systems. Nd and Pr create powerful NdFeB magnets, while Dy and Tb improve heat resistance and performance under extreme conditions — making all four essential to the future of energy-efficient innovation and industrial resilience.
01
Terbium is used in green phosphors for lighting and screens, and plays a critical role in reinforcing magnets for high-temperature environments. Its importance is rising across renewable energy systems, EV drivetrains, and advanced electronics.
➡ For exploration companies, terbium offers exposure to a rare, high-value material that strengthens the performance of clean energy technologies.
02
Dysprosium enhances the thermal resistance of NdFeB magnets used in electric vehicles, wind turbines, and defence systems. It’s essential for technologies operating in high-heat or extreme conditions.
➡ Mining dysprosium presents a strategic opportunity to meet the demand for durable, high-performance magnets in next-gen industries.
03
Praseodymium is key to NdPr magnet alloys, as well as aerospace components, and colouring agents in glass and ceramics. Its role in lightweight, high-strength materials makes it vital for clean mobility and renewable power.
➡ Praseodymium offers exploration companies a route into high-growth markets like EVs, turbines, and advanced manufacturing.
04
Neodymium is the core element in producing high-power permanent magnets used across EV motors, wind turbines, and consumer tech. Its demand is climbing as electrification accelerates globally.
➡ For miners and explorers, neodymium represents a cornerstone resource supporting the clean energy transition and magnet technology innovation.
Rare earth elements are essential to modern life — from smartphones and EVs to renewable energy systems and defence technologies. Yet not all rare earths offer the same strategic value.
If you’re exploring how these materials can support your operations, investments, or supply strategy, our team would be happy to talk.
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Used to create high-strength permanent magnets, these elements — especially Nd, Pr, Dy, and Tb — are vital for EV motors, wind turbines, and advanced motion systems.
02
Critical for thermal stability and magnetic durability, heavy rare earths like dysprosium and terbium enhance performance in aerospace, defence, and extreme-environment technologies.
03
With roles in catalysts, batteries, and phosphors, light rare earths power everything from hybrid vehicles to clean fuel production — forming the foundation of mass-scale modern tech.