Search for: All records

The bulk photovoltaic effect (BPE) has drawn considerable attention due to its ability to generate photovoltages above the bandgap and reports of highly enhanced photovoltaic current when using nanoscale absorbers or nanoscale electrodes, which, however, do not lend themselves to practical, scalable implementation. Herein, it is shown that a strikingly high BPE photoresponse can be achieved in an ordinary thin‐film configuration merely by tuning fundamental ferroelectric properties. Nonmonotonic dependence of the responsivity (R_SC) on the ferroelectric polarization is observed and at the optimal value of the film polarization, a more than three orders of magnitude increase in theR_SCfrom the bulk BaTiO₃value is obtained, reachingR_SCclose to 10⁻² A W⁻¹, the highest value reported to date for the archetypical ferroelectric BaTiO₃films. Results challenge the applicability of standard first‐principles‐based descriptions of BPE to thin films and the inherent weakness of BPE in ferroelectric thin films. 

Lissajous figures are parametric equations that deconstruct into equations of simple harmonic motion. They were a source of inspiration by artists and mathematicians alike, well before the digital age, due to their esthetic forms and simple equations that could be easily deconstructed. Here for the first time in literature, we present Lissajous pattern analysis in the context of modern dance movement, thereby expanding the physical understanding of dance and redefining the creative choreographic process. Through the implementation of wearable sensors, specifically wireless accelerometers, we have collected movement data from professional dancers to serve as an additional lens to visualize dance in a novel way and to analyze dance mechanics. The resulting Lissajous figures from the movement phrases were used to both inform and inspire creativity in the choreographic process of the Artistic Director of the Bowen McCauley Dance Company to create a new piece of work entitled Lissajous.