The five rare earths Chinese export controls are targeting, pg17.

Key Highlights:

• China plans to add Holmium, Erbium, Thulium, Europium, and Ytterbium to its export control list.
• The decision comes ahead of talks between Presidents Donald Trump and Xi Jinping.
• These rare earth elements have various applications across industries.

Detailed Insights:

• Holmium is used in semiconductors, magnets, laser surgery devices, and nuclear reactor control rods.
• Erbium finds primary application in fiber-optic telecoms and infrared technology.
• Thulium is utilized in X-ray equipment, laser technology, and microwave ceramics, and also helps in counterfeiting.
• Europium, known for its reactivity and fluorescence, is used in reactor control rods and medical imaging.
• Ytterbium, the most volatile, serves as a radiation source in X-rays and has applications in nuclear medicine.

Scientific/Technical Concepts Involved:

• Semiconductors: Materials with conductivity between conductors and insulators, crucial for electronic devices.
• Laser Technology: Technology that generates and amplifies light to produce a coherent beam for various applications.
• Nuclear Reactors: Devices where controlled nuclear chain reactions produce heat for electricity generation.