2015年4月1日 · A polycrystalline PMN–PZT film with a composition close to the morphotropic phase boundary (MPB) and a thickness of approximately 2 μm was successfully prepared on a silicon lens using the sol-gel method. This film exhibited excellent dielectric, ferroelectric, and piezoelectric behavior.

2002年12月19日 · We present multi-frequency VLBA observations of PMN J1632-0033, one of the few gravitationally lensed quasars suspected of having a central ``odd'' image. The central component has a different spectral index than the two bright quasar images.

2004年2月12日 · One such system is the Parkes–MIT–NRAO (PMN) source J1632–0033 (ref. 14). It has two images (A and B) of a radio-loud quasar at redshift 3.42, with a flux ratio of 13 (Fig. 1).

The gravitational lens PMN J0134-0931 is one of only two known non-cluster lenses producing six images of the background source. In this case the source is a quasar located at z=2.2 and the lens plane at z=0.76. It is likely that a small compact …

2009年6月30日 · In this paper, optical properties of PMN–PT films have been investigated, which demonstrate them as promising materials for optical application. Crystalline structure of thin film could be improved by heating up substrate during the deposition process.

2001年4月4日 · We report the discovery of a gravitationally lensed quasar resulting from our survey for lenses in the southern sky. Radio images of PMN J1632-0033 with the VLA and ATCA exhibit two compact, flat-spectrum components with separation 1.47" and flux density ratio 13.2.

2024年12月25日 · In this paper, a simple rectangular metasurface structure based on a Pb (Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) crystal with high electro-optic coefficient of 120 pm/V was designed to demonstrate its electrically tunable performance in the optical communication band through simulations.

We present multi-frequency VLBA2 observations of PMN J1632–0033, one of the few gravitationally lensed quasars suspected of having a central “odd” image. The central component has a different spectral index than the two bright quasar images.

We present multifrequency VLBA2 observations of PMN J1632-0033, one of the few gravitationally lensed quasars suspected of having a central ``odd'' image. The central component has a different spectral index than the two bright quasar images.

2015年4月1日 · A polycrystalline PMN–PZT film with a composition close to the morphotropic phase boundary (MPB) and a thickness of approximately 2 μm was successfully prepared on a silicon lens using the sol-gel method. This film exhibited excellent dielectric, ferroelectric, and piezoelectric behavior.