**1. Introduction**

Nanomaterials are materials with length scales ranging from 1 to 100 nm. The properties of materials change dramatically on the nanoscale when compared to their bulk counterparts. The physiochemical properties of these materials are very sensitive to size and shape, resulting in properties that are completely different when studied in bulk materials. Because of their high surface-to-volume ratio, nanomaterials have a distinct set of properties. At both normal and high temperatures, nano-ceramic materials exhibit excellent refractory properties, chemical resistance, mechanical resistance, and hardness [1] BiFeO3, BFO is an exciting one-phase application that has focused on multidisciplinary device applications due to its unique properties, including Currie high temperature of ferroelectricity (TC = 1103 k), high Neel temperature for antiferromagnetism (TN = 643 k), lead-free piezoelectricity, and impressive photoelectric performance in the visible area [1, 2]. These features make BiFeO3 a promising candidate, especially in ferroelectrics, magnetic, piezoelectrics, Photovoltaic devices, and photocatalytic function. In addition, the combination of these structures has the potential to provide the next generation of electrical appliances with a wide range of functions. The BiFeO3 investigation began in the 1950s. In the Ramesh group (24) in 2003, the discovery of a large polarization of fossils, 15 times larger than previously obtained by large samples (6.1 μC/cm2 ), combined

with the strong ferromagnetism seen in small BiFeO3 films, and increased studies. In this field and several other investigations in bulk, a thin film and forms with a BiFeO3 structure have been made since then. Although BFO has a spiral spin formation with a periodicity of 62 nm as a single type of G-type antiferromagnetic material, this combination of the soft magnetoelectric liner makes it difficult to use for many functional devices [3]. These days, it has been found that BFO nanoparticles exhibit strong ferromagnetism due to their magnitude of less than 62 nm [4]. As a result, the successful development of magnetoelectric integration in nanosized BFO has played a significant role in microelectronic devices [5–7]. The importance of the semiconductor circuit combined science and technology have resulted in the feature size of microelectronic devices being reduced to nanoscale magnitude. BFO material features nanoscale novels different from most of their counterparts and films. Knowing the impact of BFO on the nanoscale is essential in promoting the development of new electronic devices. The controlled integration of nano-BFO nanostructures such as nanowires, nanotubes, nano-powders, and arrays has made great effort due to sizedependent effects in structure and limited size. Some gains have been made in classifying buildings. In addition, BFO nanostructures are gaining considerable attention in heterostructures and domain classification [8, 9]. This paper provides an overview of recent developments in the integration, segregation of actors, visual structures, and the potential use of the nanosized BFO. Other issues that need to be addressed in future research are also highlighted.
