Temperature sensors; temperature controllers; temperature monitors/thermometers; sensor scanners; temperature transmitters; temperature probes; current sources; AC resistance bridges; superconducting magnet power supply, electromagnet power supply, and electromagnets; gaussmeters; Hall probes; Hall sensors; fluxmeters; electromagnetic coils; search coils; probe stations; Hall effect systems consisting of electromagnet, 3-phase bipolar electromagnet power supply, sample holder structure, Gaussmeter, switching matrix, current source, Picoammeter, voltmeter, and software for measurement ; vibrating sample magnetometers; alternating gradient magnetometers; THz materials characterization systems and accessories therefor, namely, electronic wires and cables, electronic thermocouples, zero gauss chambers, probe stands, rack mounting kits, solder, fluxes, electronic adaptors, conductive grease, insulative varnishes and adhesives, electronic foils and sheets, electronic power supplies and electromagnets; electrical cables, vacuum regulator valves, vacuum throttling valves and vacuum feedthroughs, motion controls and level controls/monitors