Bi3+ doping-adjusted microstructure, magnetic, and dielectric properties of nickel zinc ferrite ceramics for high frequency LTCC antennas

Yang, Yan; Zhang, Huaiwu; Rao, Yiheng; Wang, Gang; Gan, Gongwen

doi:10.1016/j.ceramint.2020.07.046

Cited by 45 publications

(13 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition, Ni ferrites are unique in several properties with modified applications, such as high-frequency applications, electronic devices with low loss, and many technical applications, such as in magnetic fluids, catalysts, magnetic storage systems, photomagnetic materials, magnetic resonance imaging, site-specific drug delivery, sensors, and so on. ,,− It is well known that when the nickel ferrite is sufficiently doped with divalent atoms, it can show a great improvement in its physical properties . The divalent dopants, such as Co 2+ , Fe 2+ , Cr 2+ , Mn 2+ , Gd 2+ , and so forth, replace the nickel ions in the octahedral sites that leads to the linear variation in physical properties of nickel ferrite. − However, unlike other divalent dopants, zinc (Zn 2+ ) tends to occupy the tetrahedral site of nickel ferrite structure due to its higher ionic radius and completely filled electronic configuration. This unique nature leads to the variation in the cationic distribution, exchange interaction, and bond angle of interstitial sites in spinel ferrites, which consequently affects the physical properties to greater extent in a non-linear trend.…”

Section: Introductionmentioning

confidence: 99%

“…This unique nature leads to the variation in the cationic distribution, exchange interaction, and bond angle of interstitial sites in spinel ferrites, which consequently affects the physical properties to greater extent in a non-linear trend. Many reports have claimed that the inclusion of zinc up to a specific critical dopant concentration enhances the magnetic, electrical, and thermal properties of the NiFe 2 O 4 nanoparticles, and for higher concentrations, the reverse trend in the above-mentioned properties is observed. ,,, Owing to this nature, the properties of nickel ferrite nanoparticles can be tuned in either way according to the requirement with the same dopant Zn. In addition, though reports on the effect of Zn doping on the above-mentioned properties of NiFe 2 O 4 nanoparticles are available in the literature, the synthesis and characterization of zinc-doped nickel ferrite (Zn x Ni 1– x Fe 2 O 4 ) nanofluids have not been reported by anyone so far.…”

Section: Introductionmentioning

confidence: 99%

“…3,13,23−25 It is well known that when the nickel ferrite is sufficiently doped with divalent atoms, it can show a great improvement in its physical properties. 26 The divalent dopants, such as Co 2+ , Fe 2+ , Cr 2+ , Mn 2+ , Gd 2+ , and so forth, replace the nickel ions in the octahedral sites that leads to the linear variation in physical properties of nickel ferrite. 26−29 However, unlike other divalent dopants, zinc (Zn 2+ ) tends to occupy the tetrahedral site of nickel ferrite structure due to its higher ionic radius and completely filled electronic configuration.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Extensive Analysis on the Thermoelectric Properties of Aqueous Zn-Doped Nickel Ferrite Nanofluids for Magnetically Tuned Thermoelectric Applications

Kulandaivel

Hemalatha

2022

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

Because of the ever-increasing consumption of energy, higher-efficiency thermoelectric materials are in more demand. In this regard, initially, Zn x Ni (1−x) Fe 2 O 4 nanoparticles were synthesized using a co-precipitation technique and investigated using Rietveld refinement and Brunauer−Emmett−Teller (BET) analyses. Then, they were dispersed in water to obtain stable 1 vol % of aqueous Zn x Ni (1−x) Fe 2 O 4 nanofluids and their viscous, electrical, thermal, and thermoelectric properties were analyzed in the absence and presence of a magnetic field. The Rietveld refinement revealed the formation of single phase spinel ferrite structures and cationic distribution of Zn x Ni (1−x) Fe 2 O 4 nanoparticles, whereas BET analysis revealed the surface area of the nanoparticles. The viscosity studies proved the pseudo-plastic shear thinning behavior and dipole−dipole interactions of Zn x Ni (1−x) Fe 2 O 4 nanofluids. The electrical conductivity, thermal conductivity, and Seebeck coefficient studies revealed that the maximum enhancement was observed for the Zn 0.2 Ni 0.8 Fe 2 O 4 nanofluid, which was attributed to the enhanced electrical double layer formation and Brownian motion of nanoparticles in the nanofluid. The enhancement in the properties of synthesized nanofluids in the presence of a magnetic field was attributed to the formation of chain-like structures, which was substantiated through the magneto-viscosity studies. The thermoelectric energy conversion efficiency of Zn x Ni (1−x) Fe 2 O 4 nanofluids was calculated which showed that the maximum enhancement of 27% was observed in the Zn 0.2 Ni 0.8 Fe 2 O 4 nanofluid at 770 G. The observed results proved that the synthesized nanofluids are magnetically tunable thermoelectric materials which are suitable for waste heat energy harvesting applications.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Extensive Analysis on the Thermoelectric Properties of Aqueous Zn-Doped Nickel Ferrite Nanofluids for Magnetically Tuned Thermoelectric Applications

Kulandaivel

Hemalatha

2022

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

“…As electronic equipment tends to develop in the direction of ultrafine, ultrahigh frequency, and ultrahigh power, − the dielectric properties of electronic insulation materials have become highly stringent . As a special engineering plastic, polyphenylene sulfide (PPS) has become a hot spot for most material scientists because of its excellent physical and chemical properties such as low dielectric properties, thermal stability, acid and alkali corrosion resistance, and dimensional stability. − It has shown great potential for applications in high-frequency, stretchable electronics, , and microwave fields.…”

Section: Introductionmentioning

confidence: 99%

Metallization of Polyphenylene Sulfide by Low-Cost Mussel-Inspired Catechol/Polyamine Surface Modification

Feng

Chen

Yang

et al. 2022

ACS Appl. Polym. Mater.

View full text Add to dashboard Cite

An economical and efficient strategy for fabricating high-performance metallic copper layers on polyphenylene sulfide (PPS) for high-frequency microwave applications via mussel-inspired surface modification and electroless copper plating (ECP) is illustrated in this paper. Through UV-induced surface modification of catechol (CA)/polyamine (PA), the modified PPS substrate is capable of adsorbing silver particles, which provides activation sites for subsequent ECP. The impact of CA/PA modification on the relationship between PPS and the deposited copper layer can be determined by water contact angle measurements, X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and tape peel tests. The involvement of CA/PA has successfully introduced the functional groups for chemical bonding on the PPS surface, which greatly improves the adhesion between the PPS and the deposited copper layer. Moreover, after 40 min of ECP, the produced copper layer exhibits good adhesion at the 5B level (according to the ASTM D3559) and an excellent conductivity of 0.37 S/m (approx. 62% of bulk copper). Meanwhile, the deposited copper layer also has good resistance to acid, alkali, and salt corrosion (less than 25 g/m2 per unit area weight loss after 60 h of corrosion). This approach opens up an efficient path for the surface metallization of PPS, which has a broad potential for application in high-frequency copper-clad laminates (CCLs).

show abstract

“…Luca Catarinucci et al designed 3D printing molds for ceramic-doped silicone substrates to design flexible and conformal antennas [ 22 ]. Yan Yang et al doped Bi3+ into Ni–Zn ferrite ceramics to adjust the microstructure, magnetic and dielectric properties of the material [ 23 ]. M. Samsuzzaman et al added glass microfibers to the circularly polarized S-band dual-band square patch antenna to reinforce PTFE composite substrates [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

Flexible Wearable Composite Antennas for Global Wireless Communication Systems

Zhang

Wang

et al. 2021

Sensors

View full text Add to dashboard Cite

Although wearable antennas have made great progress in recent years, how to design high-performance antennas suitable for most wireless communication systems has always been the direction of RF workers. In this paper, a new approach for the design and manufacture of a compact, low-profile, broadband, omni-directional and conformal antenna is presented, including the use of a customized flexible dielectric substrate with high permittivity and low loss tangent to realize the compact sensing antenna. Poly-di-methyl-siloxane (PDMS) is doped a certain proportion of aluminum trioxide (Al2O3) and Poly-tetra-fluoro-ethylene (PTFE) to investigate the effect of dielectric constant and loss tangent. Through a large number of comparative experiments, data on different doping ratios show that the new doped materials are flexible enough to increase dielectric constant, reduce loss tangent and significantly improve the load resistance capacity. The antenna is configured with a multisection microstrip stepped impedance resonator structure (SIR) to expand the bandwidth. The measured reflection return loss (S11) showed an operating frequency band from 0.99 to 9.41 GHz, with a band ratio of 146%. The antenna covers two important frequency bands, 1.71–2.484 GHz (personal communication system and wireless body area network (WBAN) systems) and 5.15–5.825 GHz (wireless local area network-WLAN)]. It also passed the SAR test for human safety. Therefore, the proposed antenna offers a good chance for full coverage of WLAN and large-scale development of wearable products. It also has potential applications in communication systems, wireless energy acquisition systems and other wireless systems.

show abstract

Bi3+ doping-adjusted microstructure, magnetic, and dielectric properties of nickel zinc ferrite ceramics for high frequency LTCC antennas

Cited by 45 publications

References 24 publications

Extensive Analysis on the Thermoelectric Properties of Aqueous Zn-Doped Nickel Ferrite Nanofluids for Magnetically Tuned Thermoelectric Applications

Extensive Analysis on the Thermoelectric Properties of Aqueous Zn-Doped Nickel Ferrite Nanofluids for Magnetically Tuned Thermoelectric Applications

Metallization of Polyphenylene Sulfide by Low-Cost Mussel-Inspired Catechol/Polyamine Surface Modification

Flexible Wearable Composite Antennas for Global Wireless Communication Systems

Contact Info

Product

Resources

About