66
Dy
Dysprosium

Dysprosium

Element 66 • Lanthanide
Atomic Mass 162.500000
Electron Config Unknown
Group/Period ?/6

Physical Properties

MEASURED
Atomic Mass
162.500000 u
Melting Point
1680.00 °C
Boiling Point
3503.00 °C
Ionization Energy
5.94 kJ/mol

Special Properties

CLASSIFIED
STABLE Generally safe to handle with standard precautions

Applications

CATALOGUED

The Magnet Superhero

Dysprosium has earned the title "magnet superhero" due to possessing one of the highest magnetic moments of all elements. This critical rare earth element has become absolutely essential for the global transition to renewable energy and electric transportation, making it one of the most strategically important materials of the 21st century.

🌪️ Wind Energy Revolution

Dysprosium is the secret ingredient that makes wind turbines work efficiently. When added to neodymium-iron-boron permanent magnets, Dysprosium dramatically increases their temperature stability and coercivity. Wind turbine generators containing Dysprosium-enhanced magnets can operate at temperatures up to 180°C while maintaining full magnetic strength, enabling more efficient power generation even in extreme weather conditions.

🚗 Electric Vehicle Powertrains

Every Tesla, Prius, and electric vehicle on the road depends on Dysprosium-enhanced permanent magnets in their motors. These ultra-high-performance magnets deliver superior torque density while operating at the high temperatures generated in electric drivetrains. Dysprosium enables electric motors to be 30% smaller and 25% more efficient than conventional alternatives.

🏥 Advanced Medical Technologies

Surgical robots rely on Dysprosium-enhanced actuators for incredibly precise movements during delicate operations. MRI machines use Dysprosium compounds as contrast agents, while advanced laser systems employ Dysprosium in specialized optical components for medical treatments and diagnostics.

🎬 Professional Lighting Systems

Dysprosium metal-halide lamps produce extremely bright, color-accurate light essential for film production, stadium lighting, and architectural illumination. These specialized lamps generate 5x more light per watt than conventional bulbs while maintaining perfect color temperature stability.

⚛️ Nuclear Applications

Dysprosium oxide serves as a neutron absorber in nuclear reactor control systems, helping regulate nuclear reactions and maintain safe operating conditions. Its exceptional neutron capture cross-section makes it irreplaceable for nuclear safety systems.

📡 Advanced Electronics

Magnetostrictive applications use Dysprosium alloys in sonar systems, precision actuators, and vibration damping systems. The element's unique magnetic properties enable ultra-sensitive detection systems and precise mechanical control applications.

Common Uses

INDEXED

🌟 Powering the Modern World

  • 🔋 Hybrid & Electric Cars: Motor magnets in Toyota Prius, Tesla vehicles, and all major EV brands
  • 💨 Wind Turbines: Permanent magnet generators in offshore and onshore wind farms
  • 📱 Consumer Electronics: Speaker magnets, hard drive motors, and smartphone vibration systems
  • 🏠 Home Appliances: High-efficiency motors in air conditioners, refrigerators, and washing machines
  • 🎧 Audio Equipment: Premium headphones and professional sound systems
  • 🏭 Industrial Motors: Servo motors, generators, and precision control systems

💎 Critical Material Status

Dysprosium is classified as a "critical material" by the US Department of Energy due to its supply risk and importance to clean energy technologies. With 95% of production concentrated in China, Dysprosium supply security is considered a national security issue for many countries.

📈 Market Dynamics

Global Dysprosium demand is projected to increase 7-fold by 2030, driven primarily by electric vehicle adoption and renewable energy expansion. Current market price: $300-500/kg, making it one of the most valuable industrial materials.

🔬 Emerging Applications

Next-generation applications include quantum sensors, magnetic refrigeration systems, and advanced data storage technologies. Research into Dysprosium-based single-molecule magnets could revolutionize quantum computing and ultra-high-density memory devices.

Natural Occurrence

SURVEYED

🌍 Strategic Global Resource

Dysprosium ranks as the 43rd most abundant element in Earth's crust with an average concentration of 5.2 parts per million. However, economically viable deposits are extremely rare, making Dysprosium one of the most supply-constrained critical materials in the modern economy.

🏔️ Primary Mineral Hosts

  • Ion-adsorption clays: Highest Dysprosium concentrations (up to 0.1% DyO₃)
  • Xenotime: Heavy rare earth phosphate mineral in placer deposits
  • Bastnäsite: Carbonatite-hosted deposits with lower Dy content
  • Monazite: Thorium-bearing phosphate in beach sand deposits

🌏 Global Production Centers

China (95% of global supply): Southern China's ion-adsorption clay deposits in Jiangxi, Guangdong, and Fujian provinces contain the world's richest Dysprosium concentrations. These deposits formed from weathering of granite intrusions over millions of years, concentrating heavy rare earths in clay minerals.

Myanmar: Illegal mining operations have emerged as a significant source, though with severe environmental and social costs.

Alternative Sources: Australia's Mount Weld, Greenland's Kvanefjeld, and Canada's Strange Lake deposits contain substantial Dysprosium reserves but remain undeveloped due to technical and economic challenges.

⚒️ Extraction Challenges

Dysprosium extraction requires sophisticated separation processes due to lanthanide contraction effects. Ion-adsorption clays use ammonium sulfate leaching followed by multi-stage solvent extraction. Complete separation may require over 200 extraction stages, making Dysprosium production extremely energy and chemical intensive.

🌱 Environmental Impact

Dysprosium mining, particularly from ion-adsorption clays, involves significant environmental disruption. Each kilogram of Dysprosium oxide production generates approximately 2,000 tons of mining waste and requires extensive chemical processing.

♻️ Recycling Imperative

Given supply constraints, Dysprosium recycling from permanent magnets is becoming increasingly critical. Advanced recycling technologies can recover 95%+ of Dysprosium from end-of-life magnets, though current recycling rates remain below 1% globally.

Discovery

ARCHIVED
1886

🔬 French Scientific Achievement

Discovered by: Paul-Émile Lecoq de Boisbaudran in Paris, France (1886)

Named from: Greek "dysprositos" meaning "hard to get at"

🧪 The Challenging Separation

Dysprosium's discovery represents one of the most technically demanding achievements in rare earth chemistry. Paul-Émile Lecoq de Boisbaudran, working at his private laboratory in Paris, began investigating holmium oxide samples in 1885, suspecting they contained additional elements.

Using his refined fractional crystallization techniques, Boisbaudran performed over 32 sequential separations of holmium nitrate solutions. Each separation required precise control of temperature, pH, and concentration to achieve even marginal purification. The process took nearly two years of meticulous work.

🔬 Spectroscopic Breakthrough

The key breakthrough came when Boisbaudran observed previously unknown absorption lines in the yellow and green regions of the spectrum. These spectral lines appeared consistently in the most difficult-to-separate fractions, confirming the presence of a new element.

Boisbaudran chose the name "dysprosium" (hard to get at) in recognition of the extraordinary difficulty he encountered during separation. The name proved prophetic - even today, dysprosium remains one of the most challenging rare earth elements to purify.

⚗️ Confirmation and Purification

Initial confirmation of dysprosium came from Eugène-Anatole Demarçay, who performed independent spectroscopic analysis in 1886. However, preparing pure dysprosium compounds required additional decades of refinement.

The first reasonably pure dysprosium oxide wasn't obtained until 1906, and metallic dysprosium wasn't isolated until 1950 using ion-exchange techniques developed at Iowa State University.

🏆 Scientific Recognition

Boisbaudran's systematic approach to rare earth separation established the foundation for modern lanthanide chemistry. His detailed documentation of separation procedures enabled other scientists to reproduce his work and further advance rare earth research.

🔬 Modern Perspective

Today we understand that dysprosium's "difficulty to get at" stems from the lanthanide contraction phenomenon, which makes ionic radii of adjacent rare earths nearly identical. This discovery that seemed merely academic in 1886 now underpins technologies worth hundreds of billions of dollars annually.

Safety Information

CRITICAL

⚠️ Industrial Safety Protocols

🟡 Moderate Hazard Classification

Dysprosium and its compounds present moderate industrial hazards requiring standard safety protocols. While not acutely

toxic, proper handling prevents exposure and ensures workplace safety in high-value manufacturing operations.

🥽 Essential Protective Equipment

  • Respiratory Protection: NIOSH-approved respirator for powder handling operations
  • Eye Protection: Safety glasses with side shields for all operations
  • Hand Protection: Chemical-resistant gloves (nitrile or neoprene)
  • Body Protection: Chemical-resistant apron and clothing

⚗️ Chemical Hazards

Fire Hazard: Dysprosium metal powder is pyrophoric and may ignite spontaneously in moist air. Store under dry inert gas and keep away from ignition sources and oxidizing agents.

Dust Control: Dysprosium oxide dust may cause respiratory and eye irritation. Maintain workplace exposure limits below 5 mg/m³ as 8-hour time-weighted average.

🏥 Emergency Response

  • Eye Contact: Flush with clean water for 15 minutes, seek medical evaluation
  • Skin Contact: Remove contaminated clothing, wash with soap and water
  • Inhalation: Move to fresh air, monitor for respiratory symptoms
  • Ingestion: Rinse mouth, provide water if conscious, seek medical attention

🗄️ Storage & Handling

Store Dysprosium compounds in tightly sealed containers in cool, dry, well-ventilated areas. Metal powders require inert atmosphere storage to prevent oxidation. Separate from incompatible materials including strong acids and oxidizers.

♻️ Waste Management

Given Dysprosium's high economic value ($300-500/kg), all waste materials should be collected for recycling. Follow site-specific procedures for rare earth waste handling and disposal. Never dispose of Dysprosium-containing materials in regular waste streams.

🔥 Fire Emergency

For Dysprosium metal fires, use Class D extinguishing agents (dry sand, graphite powder, or specialized metal fire extinguishers). Never use water or conventional fire extinguishers on burning rare earth metals.

Knowledge Database

Essential information about Dysprosium (Dy)

Dysprosium is unique due to its atomic number of 66 and belongs to the Lanthanide category. With an atomic mass of 162.500000, it exhibits distinctive properties that make it valuable for various applications.

Dysprosium has several important physical properties:

Melting Point: 1680.00 K (1407°C)

Boiling Point: 3503.00 K (3230°C)

State at Room Temperature: solid

Atomic Radius: 176 pm

Dysprosium has various important applications in modern technology and industry:

The Magnet Superhero

Dysprosium has earned the title "magnet superhero" due to possessing one of the highest magnetic moments of all elements. This critical rare earth element has become absolutely essential for the global transition to renewable energy and electric transportation, making it one of the most strategically important materials of the 21st century.

🌪️ Wind Energy Revolution

Dysprosium is the secret ingredient that makes wind turbines work efficiently. When added to neodymium-iron-boron permanent magnets, Dysprosium dramatically increases their temperature stability and coercivity. Wind turbine generators containing Dysprosium-enhanced magnets can operate at temperatures up to 180°C while maintaining full magnetic strength, enabling more efficient power generation even in extreme weather conditions.

🚗 Electric Vehicle Powertrains

Every Tesla, Prius, and electric vehicle on the road depends on Dysprosium-enhanced permanent magnets in their motors. These ultra-high-performance magnets deliver superior torque density while operating at the high temperatures generated in electric drivetrains. Dysprosium enables electric motors to be 30% smaller and 25% more efficient than conventional alternatives.

🏥 Advanced Medical Technologies

Surgical robots rely on Dysprosium-enhanced actuators for incredibly precise movements during delicate operations. MRI machines use Dysprosium compounds as contrast agents, while advanced laser systems employ Dysprosium in specialized optical components for medical treatments and diagnostics.

🎬 Professional Lighting Systems

Dysprosium metal-halide lamps produce extremely bright, color-accurate light essential for film production, stadium lighting, and architectural illumination. These specialized lamps generate 5x more light per watt than conventional bulbs while maintaining perfect color temperature stability.

⚛️ Nuclear Applications

Dysprosium oxide serves as a neutron absorber in nuclear reactor control systems, helping regulate nuclear reactions and maintain safe operating conditions. Its exceptional neutron capture cross-section makes it irreplaceable for nuclear safety systems.

📡 Advanced Electronics

Magnetostrictive applications use Dysprosium alloys in sonar systems, precision actuators, and vibration damping systems. The element's unique magnetic properties enable ultra-sensitive detection systems and precise mechanical control applications.

1886

🔬 French Scientific Achievement

Discovered by: Paul-Émile Lecoq de Boisbaudran in Paris, France (1886)

Named from: Greek "dysprositos" meaning "hard to get at"

🧪 The Challenging Separation

Dysprosium's discovery represents one of the most technically demanding achievements in rare earth chemistry. Paul-Émile Lecoq de Boisbaudran, working at his private laboratory in Paris, began investigating holmium oxide samples in 1885, suspecting they contained additional elements.

Using his refined fractional crystallization techniques, Boisbaudran performed over 32 sequential separations of holmium nitrate solutions. Each separation required precise control of temperature, pH, and concentration to achieve even marginal purification. The process took nearly two years of meticulous work.

🔬 Spectroscopic Breakthrough

The key breakthrough came when Boisbaudran observed previously unknown absorption lines in the yellow and green regions of the spectrum. These spectral lines appeared consistently in the most difficult-to-separate fractions, confirming the presence of a new element.

Boisbaudran chose the name "dysprosium" (hard to get at) in recognition of the extraordinary difficulty he encountered during separation. The name proved prophetic - even today, dysprosium remains one of the most challenging rare earth elements to purify.

⚗️ Confirmation and Purification

Initial confirmation of dysprosium came from Eugène-Anatole Demarçay, who performed independent spectroscopic analysis in 1886. However, preparing pure dysprosium compounds required additional decades of refinement.

The first reasonably pure dysprosium oxide wasn't obtained until 1906, and metallic dysprosium wasn't isolated until 1950 using ion-exchange techniques developed at Iowa State University.

🏆 Scientific Recognition

Boisbaudran's systematic approach to rare earth separation established the foundation for modern lanthanide chemistry. His detailed documentation of separation procedures enabled other scientists to reproduce his work and further advance rare earth research.

🔬 Modern Perspective

Today we understand that dysprosium's "difficulty to get at" stems from the lanthanide contraction phenomenon, which makes ionic radii of adjacent rare earths nearly identical. This discovery that seemed merely academic in 1886 now underpins technologies worth hundreds of billions of dollars annually.

Discovered by: <div class="discovery-section"> <h3>🔬 French Scientific Achievement</h3> <p><strong>Discovered by:</strong> Paul-Émile Lecoq de Boisbaudran in Paris, France (1886)</p> <p><strong>Named from:</strong> Greek "dysprositos" meaning "hard to get at"</p> <h4>🧪 The Challenging Separation</h4> <p>Dysprosium's discovery represents one of the most technically demanding achievements in rare earth chemistry. Paul-Émile Lecoq de Boisbaudran, working at his private laboratory in Paris, began investigating holmium oxide samples in 1885, suspecting they contained additional elements.</p> <p>Using his refined fractional crystallization techniques, Boisbaudran performed over 32 sequential separations of holmium nitrate solutions. Each separation required precise control of temperature, pH, and concentration to achieve even marginal purification. The process took nearly two years of meticulous work.</p> <h4>🔬 Spectroscopic Breakthrough</h4> <p>The key breakthrough came when Boisbaudran observed previously unknown absorption lines in the yellow and green regions of the spectrum. These spectral lines appeared consistently in the most difficult-to-separate fractions, confirming the presence of a new element.</p> <p>Boisbaudran chose the name "dysprosium" (hard to get at) in recognition of the extraordinary difficulty he encountered during separation. The name proved prophetic - even today, dysprosium remains one of the most challenging rare earth elements to purify.</p> <h4>⚗️ Confirmation and Purification</h4> <p>Initial confirmation of dysprosium came from Eugène-Anatole Demarçay, who performed independent spectroscopic analysis in 1886. However, preparing pure dysprosium compounds required additional decades of refinement.</p> <p>The first reasonably pure dysprosium oxide wasn't obtained until 1906, and metallic dysprosium wasn't isolated until 1950 using ion-exchange techniques developed at Iowa State University.</p> <h4>🏆 Scientific Recognition</h4> <p>Boisbaudran's systematic approach to rare earth separation established the foundation for modern lanthanide chemistry. His detailed documentation of separation procedures enabled other scientists to reproduce his work and further advance rare earth research.</p> <h4>🔬 Modern Perspective</h4> <p>Today we understand that dysprosium's "difficulty to get at" stems from the lanthanide contraction phenomenon, which makes ionic radii of adjacent rare earths nearly identical. This discovery that seemed merely academic in 1886 now underpins technologies worth hundreds of billions of dollars annually.</p> </div>

Year of Discovery: 1886

🌍 Strategic Global Resource

Dysprosium ranks as the 43rd most abundant element in Earth's crust with an average concentration of 5.2 parts per million. However, economically viable deposits are extremely rare, making Dysprosium one of the most supply-constrained critical materials in the modern economy.

🏔️ Primary Mineral Hosts

  • Ion-adsorption clays: Highest Dysprosium concentrations (up to 0.1% DyO₃)
  • Xenotime: Heavy rare earth phosphate mineral in placer deposits
  • Bastnäsite: Carbonatite-hosted deposits with lower Dy content
  • Monazite: Thorium-bearing phosphate in beach sand deposits

🌏 Global Production Centers

China (95% of global supply): Southern China's ion-adsorption clay deposits in Jiangxi, Guangdong, and Fujian provinces contain the world's richest Dysprosium concentrations. These deposits formed from weathering of granite intrusions over millions of years, concentrating heavy rare earths in clay minerals.

Myanmar: Illegal mining operations have emerged as a significant source, though with severe environmental and social costs.

Alternative Sources: Australia's Mount Weld, Greenland's Kvanefjeld, and Canada's Strange Lake deposits contain substantial Dysprosium reserves but remain undeveloped due to technical and economic challenges.

⚒️ Extraction Challenges

Dysprosium extraction requires sophisticated separation processes due to lanthanide contraction effects. Ion-adsorption clays use ammonium sulfate leaching followed by multi-stage solvent extraction. Complete separation may require over 200 extraction stages, making Dysprosium production extremely energy and chemical intensive.

🌱 Environmental Impact

Dysprosium mining, particularly from ion-adsorption clays, involves significant environmental disruption. Each kilogram of Dysprosium oxide production generates approximately 2,000 tons of mining waste and requires extensive chemical processing.

♻️ Recycling Imperative

Given supply constraints, Dysprosium recycling from permanent magnets is becoming increasingly critical. Advanced recycling technologies can recover 95%+ of Dysprosium from end-of-life magnets, though current recycling rates remain below 1% globally.

General Safety: Dysprosium should be handled with standard laboratory safety precautions including protective equipment and proper ventilation.

⚠️ Industrial Safety Protocols

🟡 Moderate Hazard Classification

Dysprosium and its compounds present moderate industrial hazards requiring standard safety protocols. While not acutely

toxic, proper handling prevents exposure and ensures workplace safety in high-value manufacturing operations.

🥽 Essential Protective Equipment

  • Respiratory Protection: NIOSH-approved respirator for powder handling operations
  • Eye Protection: Safety glasses with side shields for all operations
  • Hand Protection: Chemical-resistant gloves (nitrile or neoprene)
  • Body Protection: Chemical-resistant apron and clothing

⚗️ Chemical Hazards

Fire Hazard: Dysprosium metal powder is pyrophoric and may ignite spontaneously in moist air. Store under dry inert gas and keep away from ignition sources and oxidizing agents.

Dust Control: Dysprosium oxide dust may cause respiratory and eye irritation. Maintain workplace exposure limits below 5 mg/m³ as 8-hour time-weighted average.

🏥 Emergency Response

  • Eye Contact: Flush with clean water for 15 minutes, seek medical evaluation
  • Skin Contact: Remove contaminated clothing, wash with soap and water
  • Inhalation: Move to fresh air, monitor for respiratory symptoms
  • Ingestion: Rinse mouth, provide water if conscious, seek medical attention

🗄️ Storage & Handling

Store Dysprosium compounds in tightly sealed containers in cool, dry, well-ventilated areas. Metal powders require inert atmosphere storage to prevent oxidation. Separate from incompatible materials including strong acids and oxidizers.

♻️ Waste Management

Given Dysprosium's high economic value ($300-500/kg), all waste materials should be collected for recycling. Follow site-specific procedures for rare earth waste handling and disposal. Never dispose of Dysprosium-containing materials in regular waste streams.

🔥 Fire Emergency

For Dysprosium metal fires, use Class D extinguishing agents (dry sand, graphite powder, or specialized metal fire extinguishers). Never use water or conventional fire extinguishers on burning rare earth metals.

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