liquid helium

Share of liquid helium's papers that fall in each densely co-citing group.

• Precision Atomic Spectroscopy, Quantum Gases, and Frequency Standards 57.2% of these papers
• Superconducting Materials, Quantum Magnets and High-Field Magnet Engineering 18.3% of these papers
• Silicon and III-V Semiconductor Devices for Photovoltaics and Optoelectronics 3.4% of these papers
• Sintered Rare-Earth Permanent Magnets and Grain Boundary Diffusion 3.4% of these papers