105 citations · 325 across the 10 of their papers we have counts for
11 papers
Rapid online solid-state battery diagnostics with optically pumped magnetometers
Yinan Hu, Geoffrey Z. Iwata, Lykourgos Bougas +7
Solid state battery technology is motivated by the desire to deliver flexible power storage in a safe and efficient manner. The increasingly widespread use of batteries from mass-p…
Action potentials induce biomagnetic fields in Venus flytrap plants
Anne Fabricant, Geoffrey Z. Iwata, Sönke Scherzer +6
Upon stimulation, plants elicit electrical signals that can travel within a cellular network analogous to the animal nervous system. It is well-known that in the human brain, volta…
Sensitive magnetometry in challenging environments
Kai-Mei C. Fu, Geoffrey Z. Iwata, Arne Wickenbrock +1
State-of-the-art magnetic field measurements performed in shielded environments with carefully controlled conditions rarely reflect the realities of those applications envisioned i…
Biomagnetic signals recorded during transcranial magnetic stimulation (TMS)-evoked peripheral muscular activity
Geoffrey Z. Iwata, Yinan Hu, Tilmann Sander +5
Objective: We present magnetomyograms (MMG) of TMS-evoked movement in a human hand, together with a simultaneous surface electromyograph (EMG) and electroencephalograph (EEG) data.…
Battery Diagnostics with Sensitive Magnetometry
Yinan Hu, Geoffrey Z. Iwata, Mohaddese Mohammadi +5
The ever-increasing demand for high-capacity rechargeable batteries highlights the need for sensitive and accurate diagnostic technology for determining the state of a cell, for id…
Zero-field magnetometry based on nitrogen-vacancy ensembles in diamond
Huijie Zheng, Jingyan Xu, Geoffrey Iwata +10
Ensembles of nitrogen-vacancy (NV) centers in diamonds are widely utilized for magnetometry, magnetic-field imaging and magnetic-resonance detection. They have not been used for ma…
High-resolution optical spectroscopy with a buffer-gas-cooled beam of BaH molecules
G. Z. Iwata, R. L. McNally, T. Zelevinsky
Barium monohydride (BaH) is an attractive candidate for extending laser cooling and trapping techniques to diatomic hydrides. The apparatus and high-resolution optical spectroscopy…
BaH molecular spectroscopy with relevance to laser cooling
M. G. Tarallo, G. Z. Iwata, T. Zelevinsky
We describe a simple experimental apparatus for laser ablation of barium monohydride (BaH) molecules and the study of their rovibrational spectra that are relevant to direct laser…
High-precision spectroscopy of ultracold molecules in an optical lattice
B. H. McGuyer, M. McDonald, G. Z. Iwata +4
The study of ultracold molecules tightly trapped in an optical lattice can expand the frontier of precision measurement and spectroscopy, and provide a deeper insight into molecula…
Precise study of asymptotic physics with subradiant ultracold molecules
B. H. McGuyer, M. McDonald, G. Z. Iwata +4
Weakly bound molecules have physical properties without atomic analogues, even as the bond length approaches dissociation. In particular, the internal symmetries of homonuclear dia…
Uncertainty Analysis for a Simple Thermal Expansion Experiment
Dimitri R. Dounas-Frazer, Geoff Z. Iwata, Punit R. Gandhi
We describe a simple experiment for measuring the thermal expansion coefficient of a metal wire and discuss how the experiment can be used as a tool for exploring the interplay of…