Physics - Negative Ions in Cold Storage

Simultaneous ground-state cooling of two mechanical modes of a levitated nanoparticle

Sputtering Deposition: A Complete Guide To Method - VacCoat

The mechanism of the negative ionic air purifier.

Negative Ion Beam Facilities Inter-University Accelerator Centre (IUAC)

The impact of cold electrons and cold ions in magnetospheric physics - ScienceDirect

Hydrogen storage - Wikipedia

Quantum absorption refrigerator with trapped ions

Temperature in Battery Development

Negative Ion - an overview

Coldest: how a letter to Einstein and advances in laser-cooling technology led physicists to new quantum states of matter – Physics World