Influence of Manganese Doping on Optical Properties of Barium Ferrites Nanoparticles

Q3 Biochemistry, Genetics and Molecular Biology Biointerface Research in Applied Chemistry Pub Date : 2022-10-07 DOI:10.33263/briac134.369

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引用次数: 1

Abstract

The barium hexaferrite magnetic materials Mn-doped BaZn1+x Mnx Fe12-2x O19 (x = 0.4, 0.8, 1.2, 1.6, and 2) were prepared using the ceramic method. The powder samples ferrite were subjected to XRD, FT-IR, and UV-Vis to investigate the nanoparticles' structural changes. UV–Vis spectroscopy is used to obtain the samples' absorption spectrum and calculate the band gap energy. X-ray diffraction patterns and FT-IR investigations confirmed the formation of a single-phase M-type hexagonal structure. The grain size was measured from Scherrer's equation, and it is found in the range of 43-56 nm, with increasing the concentration of Mn ions, which shows the enhancement in the degree of crystallinity and increase in the size of grain size. UV-vis spectroscopy was used to confirm the formation of the BaZn1+x Mnx Fe12-2x O19 nanoparticles. The transmission was found to increase slowly in the 200-290 nm wavelength and then decreased to 332 nm after that increase until the maximum for all samples was about 99% in 480-800 nm wavelengths. The highest transmission will be exclusively used for window layers in solar cells. The band gap energy increased gradually with a rise in Mn ions and a decrease in Zn ion concentration. The refractive index, dielectric constant, and optical dielectric constant decreased with an increase in Mn ions and a decrease in Zn ions concentration.

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锰掺杂对纳米钡铁氧体光学性能的影响

采用陶瓷法制备了掺Mn的钡六铁氧体磁性材料BaZn1+xMnx Fe12-2x O19（x=0.4、0.8、1.2、1.6和2）。对铁氧体粉末样品进行XRD、FT-IR和UV-Vis测试，研究了纳米颗粒的结构变化。紫外-可见光谱用于获得样品的吸收光谱并计算带隙能量。X射线衍射图和FT-IR研究证实了单相M型六方结构的形成。根据Scherrer方程测量晶粒尺寸，发现随着Mn离子浓度的增加，晶粒尺寸在43-56nm范围内，这表明结晶度的提高和晶粒尺寸的增加。使用UV-vis光谱来确认BaZn1+x Mnx Fe12-2x O19纳米颗粒的形成。发现透射在200-290nm波长中缓慢增加，然后在该增加之后降低到332nm，直到所有样品的最大值在480-800nm波长中为约99%。最高的透射率将专门用于太阳能电池的窗口层。带隙能量随着Mn离子浓度的增加和Zn离子浓度的降低而逐渐增加。折射率、介电常数和光学介电常数随着Mn离子浓度的增加和Zn离子浓度的降低而降低。

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来源期刊

Biointerface Research in Applied Chemistry CHEMISTRY, APPLIED-

CiteScore

4.80

自引率

0.00%

发文量

256

期刊介绍： Biointerface Research in Applied Chemistry is an international and interdisciplinary research journal that focuses on all aspects of nanoscience, bioscience and applied chemistry. Submissions are solicited in all topical areas, ranging from basic aspects of the science materials to practical applications of such materials. With 6 issues per year, the first one published on the 15th of February of 2011, Biointerface Research in Applied Chemistry is an open-access journal, making all research results freely available online. The aim is to publish original papers, short communications as well as review papers highlighting interdisciplinary research, the potential applications of the molecules and materials in the bio-field. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible.