crystal article 32 crystal structure 8 magnetic field 8 density 6 electrochemistry 6 energy 6 film 6 gold 6 impedance 6 molecular interaction 6 temperature 6 temperature dependence 6 Active volcano 4 Crystals 4 Eruptive column 4 Peteroa Volcano 4 Plinia 4 Polymers 4 Quartz 4 Sup-plinian eruption 4 Tephra 4 Volcanic plume 4 acoustic impedance 4 dielectric constant 4 dynamics 4 elasticity 4 electric resistance 4 electrode 4 electrolyte 4