Ng et al. [24] for orthorhombic YFO. It has to be noted that Raut et al. [8] have shown that in YFO, both robust electron2-Bromo-6-nitrophenol References phonon and robust spin-phonon coupling exist below the Neel temperature, TN , which are also bounded with each other by means of spins. The influence with the electron-phonon interaction might be taken into account in a future paper. three.7. Temperature and Magnetic Field dependence of your Phonon Damping The temperature dependence from the phonon damping can also be calculated. enhances with escalating temperature (see Figure 7, curve 1) and also shows an anomaly about the Neel temperature, TN , which disappears by applying an external magnetic field (see Figure 7, curve 2). Unfortunately, there does not appear to become published experimental information for (h) and (h) in YFO.Phonon damping (cm )-0 200 400 Temperature T (K)Figure 7. (Colour on the web) Temperature dependence with the damping with the phonon mode = 149 cm-1 in a YFO nanoparticle with N = 10 shells and various magnetic fields h: 0 (1); 50 kOe (2).We get that by doping with unique ions, the phonon damping increases, since it is proportional to R2 , i.e., the Raman lines are broader [24]. 3.8. Ion Doping Effects on the Band Gap Energy 3.8.1. Ti Ion Doping at the Fe Internet site The band gap power Eg is observed from Equation (11) for pure and ion-doped YFO nanoparticles. We think about initially the case of a Ti3 -doped YFO nanoparticle, YFe1- x Tix O3 . The lattice parameters enhance with increasing Ti dopants since the ionic radius on the Ti ion (r = 0.745 A) is larger when compared with the Fe ion (r = 0.69 A). There is a tensile strain, and we make use of the relation Jd Jb . We observe a rise in Eg (see Figure 8, curve 1).Nanomaterials 2021, 11,9 of2.(eV)gBand gap power E1.1.8 0.0 0.1 Ion doping concentration x 0.Figure 8. (Color on the internet) Ion doping concentration dependence with the band gap energy Eg of a YFO nanoparticle (N = ten shells) by (1) Ti doping with Jd = 0.8Jb ; (two) Sm doping with Jd = 0.6Jb ; (3) Co doping with Jd = 1.4Jb .three.8.2. Sm Ion Doping in the Y Web site Y3 A equivalent enhanced Eg is also obtained by doping with Sm3 (r = 1.24 A) ions at the which also causes a tensile strain and enhanced band gap power Eg (see (r = 1.06 A), Figure eight, curve 2), as reported by Bharadwaj et al. [21]. three.eight.three. Co Ion Doping in the Fe Website Otherwise, by Co ion doping, YFe1- x Cox O3 , the contrary result is observed–a reduction in the band gap energy Eg (see Figure eight, curve 3), in agreement with the outcomes of Wang et al. [24]. That is because the ionic radius of the Co ion (r = 0.61 A) is smaller than which leads to a reduce within the lattice parameters (Jd Jb ) that of your Fe ion (r = 0.69 A), and to a decrease inside the band gap power Eg . 4. Conclusions In conclusion, we’ve observed that the spontaneous magnetization Ms within a YFO nanoparticle decreases with decreasing particle size and is higher for cylindrical particles than for spherical ones. Ms is changed by ion doping, which causes distinct strains. In DMPO In stock addition, we’ve discussed substitution at both the Y or Fe internet sites. Therefore, one can get a material with controlled parameters. Ms increases with Co or Ni (in the Fe web page) and Er (in the Y web page) ion doping and decreases with Ti doping (at the Fe web page). This substantial enhancement inside the magnetization is accompanied by a transition from antiferromagnetic to ferromagnetic behaviour, which might be utilised for different applications. We’ve got tried to clarify the discrepancies of Ti-doped YFO. It m.