Work

Giant Ferroelectric Polarization Beyond 150 µC/cm2 in BiFeO3 Thin Film

Year: 2004

Type: article

Abstract: Ferroelectric BiFeO3 thin films have been deposited on Pt/TiO2/SiO2/Si substrate by pulsed-laser deposition. From the X-ray diffraction analysis, the BiFeO3 thin film consists of perovskite single-phase, and the crystal structure shows the tetragonal structure (c/a = 1.018) with a space group P4m m. It is obtained that the BiFeO3 thin film shows a well-saturated remarkably giant saturation polarization of 158 µC/cm2 and a remanent polarization of 146 µC/cm2 for a maximum applied voltage of 20 V at 90 K. These values of polarization are largest ever-measured in ferroelectrics.

Source: Japanese Journal of Applied Physics

DOI: 10.1143/jjap.43.l647

Authors: Kwi Young Yun, Dan Ricinschi, Takeshi Kanashima, Minoru Noda, Masanori Okuyama

Institution: The University of Osaka

Language: English

Topic: Multiferroics and related materials

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W1925339558

FWCI: 18.55

Cites: 5

Cited by: 366

Related to: 8