Investigation on X-ray photoelectron spectroscopy, structural and low temperature magnetic properties of Ni-Ti co-substituted M-type strontium hexaferrites prepared by ball milling technique

Alna’Washi, G.; Alsmadi, A. M.; Bsoul, Ibrahim; Salameh, B.; Alzoubi, Gassem M.; Shatnawi, M.; Hamasha, Safeia; Mahmood, Sami H.

doi:10.1016/j.rinp.2021.104574

Cited by 28 publications

(11 citation statements)

References 32 publications

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“…5 depicts the XPS survey scan in the range of 0 to 1400 eV for the Ca 0.93 Gd 0.07 Fe 11.93 Ni 0.07 O 19 hexaferrite sample with typical specimen spectra of Ca 2p, Fe 2p, O 1s, Ni 2p, and Gd 3d. 54–57 The survey spectra clearly show the existence of all elements, namely Ca, Fe, O, Ni, and Gd. The binding energy adjustment of all spectra was performed using the C 1s peak at 284.8 eV as the basis for the reference peak.…”

Section: Resultsmentioning

confidence: 93%

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Influence of Gd and Ni doping on the structural, morphological, and magnetic properties of M-type calcium hexaferrite

Chaurasiya,

Kumar,

Lone

et al. 2024

New J. Chem.

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Section: Resultsmentioning

confidence: 93%

“…This very efficient spectroscopic technique makes it possible to analyse the material's electrical structure, chemical makeup, and density of states. 54 In this study, each element's chemical state in Ca 1− x Gd x Fe 12− y Ni y O 19 with x = y = 0.07 was investigated using XPS measurements. Fig.…”

Section: Resultsmentioning

confidence: 99%

Influence of Gd and Ni doping on the structural, morphological, and magnetic properties of M-type calcium hexaferrite

Chaurasiya,

Kumar,

Lone

et al. 2024

New J. Chem.

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“…From the narrow scan of Fe 2p shown in Figure 3e, one can easily recognize the sharp Fe(II) 2p 3/2 feature at 708.4 eV, with its corresponding 2p 1/2 partner ≈721 eV. [ 24,25 ] The XPS spectra illustrated the presence of ferrocene in GOx/Fc/LIG. XPS results indicated that among the surface element components of the GOx/Fc/LIG electrode, the content of each component of Fe is 0.87%, O is 17.07%, C is 82.06%, respectively.…”

Section: Resultsmentioning

confidence: 99%

An Enzymatic Electrochemical Biosensing Interface Developed by The Laser‐Induced Graphene Electrode

Liu,

Zhao,

Yang

et al. 2023

Adv Materials Inter

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Laser‐inducing provides a cost‐effective, easily‐manufacturable, and environment‐friendly approach to directly transfer carbon‐rich polymers into graphene materials, which attracts attention from various fields, such as sensors, electrocatalysts, micro‐supercapacitors, etc. Laser‐induced graphene (LIG) benefits from the intrinsic properties of graphene, for example, high conductivity, high electroactivity, and high specific area. In this work the potential of laser‐induced graphene in constructing an enzymatic electrochemical biosensing interface is evaluated. Here, a laminar‐structured laser‐induced graphene material is fabricated by laser engraving with polyimide. After deposition of the electron mediator ferrocene, a conjugated enzyme complex of bovine serum albumin‐glucose oxidase (BSA‐GOx) is modified on the laser‐induced graphene by cross‐linking. The fabricated glucose oxidase/ferrocene/LIG (GOx/Fc/LIG) biosensor achieves high sensitivity of 11.3 µA mM−1 cm−2), wide linear range of 0–11 mM, and low detection of limit of 0.04 µM. The LIG electrodes exhibit high flexibility with bending angle as high as 60° without observed conductivity change. The repeatability and robustness of the developed LIG biosensor in detection of real serum samples empower it with great potential in clinical implementation in the future.

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“…Two peaks are detected at 133.4 eV and 135.2 eV, which are associated with Sr 2+ 3d 5/2 and Sr 2+ 3d 3/2 . Additionally, two distinct peaks are observed for La 3d at 834.8 eV and 850.6 eV, belonging to La 3+ 3d 5/2 and 3d 3/2 , respectively, as illustrated in figure 7(d) [45]. The high-resolution XPS spectra of Cu 2p display two resolved peaks at 933.5 eV and 953.2 eV, which are related to Cu(I) 2p 3/2 and 2p 1/2 , respectively.…”

Section: Xps Analysismentioning

confidence: 91%

Multi-susceptible single-phased hexaferrite with significant magnetic switching properties by selectively doping

2023

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An effective combustion technique is used to synthesize Sr0.8La0.2Fe12-xCuxO19 (x = 0,1) M-type strontium hexagonal ferrite nanoparticles (SHFNPs). The impact of La and La-Cu substitution on the structural, microstructural, and magnetic characteristics of SHFNPs is scrutinized. The samples are characterized using several experimental techniques, such as X-ray diffraction (XRD), Raman spectroscopy (RS), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FESEM), and vibrating sample magnetometer (VSM). The obtained results reveal that the single lattice structure of the substituted strontium hexaferrite can be acquired by transforming Fe3+ to Fe2+ on the 2a site. Raman spectroscopy (RS) verifies the formation of all crystallographic sites of hexaferrite. The broadening of 4f2 and 12k peaks indicates the presence of disorder at the crystal sites resulting from the change in the chemical environment after doping with Cu2+ ions. FESEM images reveal flat hexagonal facets of the particle that signify the magneto-plumbite structure. The magnetic results provide high values of both intrinsic coercivity and (BH)max. The obtained data constitute good magnetic characteristics for perpetual magnet applications. Furthermore, the reduced coercivity of the Sr0.8La0.2Fe11CuO19 (SLCHF) sample with high magnetizations can be used to create microwave absorbing and data storage materials.

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Investigation on X-ray photoelectron spectroscopy, structural and low temperature magnetic properties of Ni-Ti co-substituted M-type strontium hexaferrites prepared by ball milling technique

Cited by 28 publications

References 32 publications

Influence of Gd and Ni doping on the structural, morphological, and magnetic properties of M-type calcium hexaferrite

Influence of Gd and Ni doping on the structural, morphological, and magnetic properties of M-type calcium hexaferrite

An Enzymatic Electrochemical Biosensing Interface Developed by The Laser‐Induced Graphene Electrode

Multi-susceptible single-phased hexaferrite with significant magnetic switching properties by selectively doping

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