3 papers
cond-mat.mes-hall2018
Effect of surface oxidation on electron spin coherence of single nitrogen-vacancy centers in nanodiamonds
Ryuta Tsukahara, Masazumi Fujiwara, Yoshihiko Sera +6
Fluorescent nanodiamonds (NDs) are crystal defect-based light-emitting nanoparticles that can be applied to quantum information science and quantum sensing. Of particular interest…
cond-mat.mes-hall2018
Observation of rotational Brownian motion of single diamond nanoparticles
Masazumi Fujiwara, Yutaka Shikano, Ryuta Tsukahara +2
Capturing the rotational motion of single nanoparticles has been hindered owing to the difficulty of acquiring directional information under the optical diffraction limit. Here, we…
cond-mat.mes-hall2018
Monitoring spin coherence of single nitrogen-vacancy centers in nanodiamonds during pH changes in aqueous buffer solutions
Masazumi Fujiwara, Ryuta Tsukahara, Yoshihiko Sera +4
We report on sensing stability of nanodiamond (ND) quantum sensors in various pH aqueous buffer solutions for the two detection schemes of quantum decoherence spectroscopy and ther…