Sanjeev Kumar

Pondicherry University · Department of Computer Science

This paper presents an ultra-thin and compact metamaterial absorber (MMA) capable of achieving near-perfect absorption peaks across the C, X, Ku, and K frequency bands. The MMA structure features a modified metallic plus-shaped resonator surrounded by symmetric L-shaped resonators within a compact size of 13 × 13 mm². The absorber exhibits seven ab...

The quest for realizing highly spin-polarized conduction in materials at room temperature is one of the central themes of materials physics. We report on the realization of a conducting interface in LaFeO3 (LFO)-SrTiO3 (STO) that demonstrates spin-polarization signatures, namely, negative magnetoresistance (MR) and anomalous Hall resistivity >150 K...

Hexavalent Chromium (VI) is one of the main pollutants coming from industrial waste, dyes, paints, and plastics. It is one of the major concerns due to the adverse effects associated with Cr (VI) including respiratory cancer, skin irritation, kidney damage, liver damage and perforated eardrums. Many physico-chemical techniques used for the removal...

Hybrid carbon-based materials are in demand to achieve the desired activities in various fields. However, such materials lack aqueous dispersibility or mechanical strength, which can be addressed by certain modifiers such as surfactants, polymers, metal oxides, and deep eutectic solvents (DESs), among others. Dodecyl trimethylammonium bromide (DTAB...

In recent years, self-lubricating hard coatings have garnered significant interest across various industries such as cutting tools, molds, and manufacturing because of their ability to reduce friction and wear at high temperatures in dry-cutting applications. The present study focuses on synthesis of tungsten-vanadium-nitride (W-V-N) coatings using...

Hardness of thin films is a noteworthy property in the electronic and mechanical 26 industry and is generally observed to be dependent on the degree of roughening facilitated from 27 surface heights' surface spatial heterogeneity at the mesoscopic observation scale. Nonetheless, 28 owing to enhanced scale fluctuations and higher-order central momen...

This paper presents a compact multiple-input multiple-output (MIMO) two-element dielectric resonator antenna (DRA) for wideband (WB) and ultra-wideband (UWB) operations. The dielectric resonators (DRs) are fabricated on the top side of the low-cost substrate (FR4) and the etched ground plane on the bottom of the substrate. Featuring two compact U-s...

Resistive switching characteristics of ZnO‐based nanomaterials make them useful candidates for applications in resistive random access memory (RRAM). In the present work, Nb‐doped ZnO thin films prepared using RF sputtering with varying doping concentrations were studied using XRD, UV‐Vis spectroscopy, Field Emission Scanning Electron Microscopy (F...

Gemini surfactants (GSs) and deep eutectic solvents (DESs) belong to two important classes of industrially important materials which can be used to modify the performances of other entities where they are used for functionalization. A graphene oxide-zirconium oxide (GO@ZrO2) nanocomposite has been synthesised and modified by using a cationic gemini...

The (1-x) Na0.5Bi0.5TiO3 (NBT)-(x) Ba0.85Sr0.15Zr0.1Ti0.9O3 (BSZT) (x = 0.1, 0.2, 0.3, 0.4, 0.5, 0.6) ceramics were prepared using solid state reaction method. The structural, microstructural, dielectric, and energy storage characteristics of the prepared system with BSZT content is examined. It is observed that Curie temperature and dielectric con...

Deep eutectic solvents (DESs) have gained significant attention over the past twenty years due to their versatile properties and easy preparation methods without the need for extensive purification. DESs show promise as bio-compatible options for pharmaceutical applications, particularly in enhancing solubility, stability, and serving as potential...

The anatase phase of TiO2 is highly suitable for photocatalytic application consequently, prerequisite an unpretentious scale‐independent understanding of its roughening‐facilitated surface topography dynamics. Herein, the nonlinear roughening in anatase thin films and its correlation with the nonlinear trend of optical properties in the framework...

Polyvinylpyrrolidone (PVP) capped MWCNTs/Zn1-xLaxO (x = 0.1–0.0001) nano-composites were successfully prepared using chemical co-precipitation method. The synthesized materials were characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM), energy dispersive X-ray fluorescence (EDXRF), laser Raman, Brunauer–Emmett–Teller (...

A successful attempt was made to fabricate a thin foil of natural Mo target on a thick Au backing with Indium in between to improve adhesion between the foils. Rolling at elevated temperature was considered to fabricate Mo foil while gold foil was fabricated employing conventional rolling technique. The heating of Mo foil under natural environment...

From the energy storage perspective, ferroelectric materials with excellent polarizing characteristics are considered as desirable candidates. We report synthesis of lead-free binary composite of Na0.5Bi0.5TiO3 (NBT)–Ba0.85Sr0.15Zr0.1Ti0.9O3 (BSZT) to realize morphotrophic phase boundary (MPB) system having promising ferroic characteristics. Furthe...

Electrostatic gating and light illumination are two widely used stimuli for semiconductor devices. Two‐dimensional electron gas (2DEG) at oxide heterostructures has shown potential in optoelectronics due to its high optical response and gate tuning property. The appearance of high photoconductivity and persistent photoconductivity at the oxide hete...

Here, we report exotic role of electrical poling of layered BCZT-CNZF bulk composite for a sustainable advancement of magnetoelectric (ME) technology. Practically, it seems quite difficult to access full potential of ME composites due to their weak ME coupling performances. Using a standard poling protocols, we successfully deployed coupling perfor...

This work presents the molybdenum di-sulphide three-phase bridge rectifier integrated circuit utilizing the novel self-switching diode. The self-switching diode has a planar architecture having I- V behavior similar to an ideal diode. The structure of SSD is utilized to design single phase and three phase rectifiers. The performance in terms of re...

Transition metal doped Zinc oxide (ZnO) thin films with wide band gap semiconducting nature have diverse range of applications including, gas sensors, optical and optoelectronic devices, electronics and spintronics spintronic devices etc. In the present study, Manganese (Mn)‐doped ZnO thin films deposited on glass substrates using RF‐magnetron sput...

GaFe0.95Mg0.05O3 ceramic sample was synthesized through sol–gel technique. The effect of Magnesium (Mg) doping on the structural and leakage current density of gallium ferrite (GaFeO3) was studied in detail. The structural properties of prepared sample were investigated by X-ray diffraction (XRD) and Raman spectroscopy. The single orthorhombic phas...

In this study, the morphological properties and micro-roughness of chromium thin film prepared by thermal evaporation technique and confirmed via EDS analysis are examined on different substrates of BK7, Silicon (Si), and glass using atomic force microscope analysis (AFM). Analysis of amplitude parameters, Minkowski functionals, and films' spatial...

The Ayurvedic medicines prescribed by various Indian Ayurvedic practioners are generally used for the treatment of various diseases since ancient period. The presence of various elements/ingredients plays a major role in functioning of human body. It is very important to perform the elemental analysis of Ayurvedic medicines prepared by various manu...

Assessment of the snow cover state in the initiation zone of an avalanche is essential for the snow avalanche hazard mapping in the mountainous region. Seasonal snow cover is very dynamic in the Himalaya and changes its state from dry to moist or wet according to temperature during the progression of winter. In this study, a methodology based on de...

An ultra-thin metamaterial absorber (MMA) comprises of a split-ring-cross (SRC)-shaped resonator coupled with graphene and dielectric layer backed by metallic ground plane is presented theoretically and numerically for hepta-band applications. The proposed absorber demonstrates multiple absorption peaks at 2.33, 5.24, 7.74, 8.25, 10.05, 10.97, and...

Fifteen Ayurvedic medicines of Ras-family (herbo-mineral-metallic preparations) from three reputed manufactures were analysed for elemental quantification and their chemical phase identification using the energy-dispersive (ED) and wavelength-dispersive (WD) X-ray fluorescence (XRF) techniques, and powder X-ray diffraction (XRD) technique, respecti...

This paper presents different configurations of bilayer graphene (BLG)/mercury cadmium telluride (Hg1–xCdxTe) based GBn detectors operating in the mid- and long-wave infrared (IR) regime. One type of configuration consists of a contact graphene layer (G) of p⁺-BLG and a barrier layer (B) of p–-Hg1–xCdx = 0.41Te deposited on the n⁺-Hg1–xCdxTe absorb...

The micellization and clouding phenomenon are studied across a wide range of reline (Choline chloride (ChCl)-Urea, 1:2 mole ratio) - water composition using fluorescence spectroscopy. Experiments have also been performed to determine the physical properties (specific conductance (κ) and zero-shear viscosity (η0)) of water in reline and reline in wa...

We examine the correlation of tetragonality factor and underlying ferroelectric response via performing B-site doping, more competent in comparison to A-site. B-site doping opens a route toward optimization of various physical parameters via promoting the off-centering of central ions. Here, we provide detailed investigation of the effect of doping...

Zinc modified barium zirconium titanate ceramics have been fabricated by the solid-state reaction method. Crystallographic analysis shows that the ceramics exhibit tetragonal crystal structure with P4mm symmetry. The polar behavior of Zn doped BaZr0.1Ti0.9O3 [BZT] differs from the pure BZT compound, as observed from ferroelectric analysis. As a res...

Present study portrays physicochemical investigations of aliovalent rare earth ion Tb³⁺ substitution of ZnO composition series [Zn(1−x)TbxO NPs, where x = 0, 0.05, 0.10] synthesized by sol-gel route. Rietveld refinement of X-ray diffraction (XRD) profiles of all the compositions revealed that the synthesized NPs exhibit hexagonal wurtzite type crys...

The present study portrays, a low-cost, environmentally benign, and green route synthesis of Mangifera indica leaf extract mediated silver nanoparticles (MI:AgNPs). MI:AgNPs were characterized using analytical techniques such as X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), UV–Visible spectroscopy, Transmission Electron M...

Data on aggregation/morphological behaviour of contrasting charge aqueous gemini mixtures at 303 K have been acquired in this study. Anionic and cationic components of the mixture were phosphoric acid, P, P' -1,4-butanedieyl, P, P' didodecylester, disodium salt (12-4-12A) and (ethane-1,2-diyl bis (N, N-dimethyl-N-alkylammoniumacetoamide) dichloride...

The present study attempts to explore the M–E coupling in the novel environmental friendly multiferroic composite. The chosen materials, Ba0.85Ca0.15Ti0.9Zr0.1O3 and CoFe1.95Mg0.05O4, possess high piezoelectric and magnetostrictive coefficients, respectively. Accordingly, the series of (1 − x)Ba0.85Ca0.15Ti0.9Zr0.1O3–xCoFe1.95Mg0.05O4 (where, x = 0...

The Rayleigh differential scattering cross-sections measurements were performed for Mn-Kα (5.895 keV) and Mn-Kβ (6.492 keV) photons in some rare earth elements with 62 ≤ Z ≤ 71 at scattering angle of 130°. The experimental measurements were done using unpolarised Mn-Kα and Mn-Kβobtained from annular ⁵⁵Fe radioisotope and low energy germaniums (LEGe...

Graphene-based Y-junction (G-YJ) on a silicon substrate is demonstrated here, which gives nonlinear rectification for an electrical signal as well as temperature gradient inputs. The device exhibits room temperature responsivity and noise equivalent power of 36.34 mV/mW and 0.39 nW/Hz1/2, respectively, up to the cut-off frequency of 0.637 THz at an...

Thin uniform targets of ⁷⁵As isotope with Pb/Au backing layer were fabricated for nuclear structure studies and sub-picosecond lifetime measurements of nuclear excited states using the Doppler shift attenuation method (DSAM) for nuclei populated in the heavy-ion induced fusion-evaporation reactions. The ⁷⁵As targets of thickness 2.8–4.0 mg/cm² (4.9...

Aqueous association behaviour of counter charged gemini surfactants has been studied by fluorometry, dynamic light scattering (DLS), Zeta(ζ)-potential and SANS measurements at 303 K. For the purpose, P, P'-1,4-butanedieyl, P, P'-didodecylester, disodium salt, anionic surfactant(12-4-12A) and cationic gemini surfactants: Butanediyl-1,4-bis (N, N-dim...

Due to varying imaging principles and complexity of human organ structures, single-modality image can only provide limited information. Multimodality image fusion is the technique which integrates multimodal images into a single image which improves the quality of images by retaining significant features and helps diagnostic imaging practitioners f...

The differential X‐ray fluorescence (XRF) cross‐sections for (Mξ2, Mξ1, Mδ1), (Mδ2, Mα1,2 M5‐O3), (Mβ, M4‐O2,3), (Mγ, Mm2, M3‐N4, M5‐O2,3), (Mm1, M3‐N6,7, M3‐O4,5) and (Mm2, M2‐N6) group of M X‐rays components have been measured for the elements with 77 ≤ Z ≤ 92 following photoionization by Mn K X‐rays (EKαβ = 5.96 keV) obtained from 55Fe radioisot...

Gastric cancer, as a complex heterogeneous disease, is one of the most widely recognized malignancies around the world. Gastric malignant growth is the fifth most common disease and the subsequent driving reason for the third leading malignant growth-related mortality (accounted for 8.2%) overall. Early gastric cancer can be cured with surgery, whi...

We present a comprehensive experimental study of magnetization {\color {blue} ($2 < T < 300$~K, $1 < H < 8$~T)} and magnetocaloric effect in double perovskite materials $R_2$NiMnO$_6$ with $R =$ Pr, Nd, Sm, Gd, Tb, and Dy. While a paramagnetic to ferromagnetic transition, with T$_{\rm C}$ in the range $\sim 100 - 200~$K, is a common feature that ca...

A four-terminal ballistic rectifier demonstrating voltage rectification for both electrical (AC/DC) as well as thermal (temperature gradient) inputs is presented. The thermoelectric behavior of the graphene triangular ballistic rectifier (G-TBR) is based on its nonlinear electrical response. The responsivity and noise equivalent power of the device...

The present study reports a comparison on aggregation behavior of PEO-PPO star block copolymers Tetronics® 1304 and 1307 in the presence of toluene, phenols and methyl phenols viz. o-cresol, m-cresol, p-cresol. These organic compounds are frequently used in plastics, dyes, pesticides and pharmaceutical industries. Star block copolymers, Tetronics®,...

The influence of chemical effects on intensity ratios i.e. ILi/ILα (i = l, β1, β15,2,3 and β5/2), ILα2/ILα1, ILj/ILβ1 (j = η, γ1 and γ5), ILk/ILγ4 (k = β6,4, β10,9/1 and γ2,3,6) and ILβ1/ILγ1 and chemical shift of Ll and Lγ1 X-ray emission peaks for 79Au compound has been investigated using polychromatic high resolution wavelength dispersive X-ray...

In this paper, on-demand rejection of interfering bands with operating band intended for UWB-X band applications utilizing a diversity antenna with a dimension of 24 × 48 mm² has been reported. Two sharp rejecting bands, WiMAX and WLAN are obtained by using an anchor-shaped stub embedded within a slotted radiating patch and externally connected C-t...

This work reports an innovative, effortless and inexpensive method for the preparation of ZnO nanoparticles by green approach using leaf extract of Piper betleas a reducing-stabilizing negotiator. The prepared ZnO NPs were characterized through XRD, FTIR, UV–Visible spectroscopy, and EDX etc. The band gap energy of the sample was estimated as 3.41...

This paper presents the thermoelectric properties of graphene-based three-terminal junction on SiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /Si substrate. The device demonstrates rectified output voltage while applying electrical (AC/DC) signal or temperature gradient at the input termin...

INTRODUCTION: Bronchoscopy is a safe and effective method for diagnosing lung carcinomas with a variation in the diagnostic yield with different bronchoscopy guided procedures. Cell block technique has shown an addition cases positivity in diagnosing carcinomas as compared to the conventional method. AIM: The present study was aimed to evaluate the...

Here, an In0.53Ga0.47As-based self-switching diode bridge rectifier (SSDBR) is presented utilizing Silvaco TCAD computer simulations. A zero-bias self-switching diode exhibiting nonlinear current-voltage characteristics has been utilized for the device design. The output current, threshold voltage and maximum operating frequency of the device can b...

We herein report the micellization study on mixtures of poly(ethylene oxide)-poly(propylene oxide) (PEO-PPO) star-block copolymer, Tetronics®1304 (T1304) with several cationic conventional and Gemini surfactants (GS) using plethora of physicochemical techniques viz. cloud point (CP), tensiometry, fluorescence, dynamic light scattering (DLS) and sma...

In this paper, room temperature multiferroic behaviour in Ni (Nickel)-doped NBT (Na0.5Bi0.5TiO3) ceramics synthesized using solid state reaction technique have been investigated. Structural, dielectric, ferroelectric, magnetic and magneto-dielectric properties were consistently probed with the increment in transition metal doping. XRD peaks were in...

Background Obtaining the medical history from a patient is a tedious task for doctors as it depends on a lot of factors which are difficult to keep track from a patient’s perspective. Doctors have to rely upon the technological tools to make a swift and accurate judgment about the patient’s health. Introduction Out of many such tools, there are tw...

The current work is focused on the development of obliging and effective means for mitigation of industrial lethal inorganic dyes by using plant extracts mediated metal oxide nanoparticles that have been recommended as eco-friendly radicals. This study establishes an inexpensive method for the abatement of industrial reactive yellow-86 dye under op...

Abstract A comparative radio‐frequency (RF) and crosstalk analysis is performed on carbon nano‐interconnects based on an efficient π‐type equivalent single‐conductor model of bundled multiwall carbon nanotubes (MWCNTs) and stacked multilayer graphene nanoribbons (MLGNRs). Simulation results are extracted using HSPICE for global‐level nano‐interconn...

This paper presents RF and crosstalk analysis of Copper (Cu) and multi-layer Graphene nanoribbon (MLGNR) based interconnects using Fin field-effect transistor (FinFET) and virtual-source carbon nanotube field effect transistor (CNFET) based repeater insertions in sub-10 nm regime. The SPICE based analysis utilizes an accurate π-type equivalent sing...

The high degree of spin-polarization observed in ordered double perovskite oxide Sr 2 FeMoO 6 at room temperature has attracted considerable interest from both fundamental and practical points of view. In this paper, we have shown a significant change in spin-polarization with a small B-site off-stoichiometry. We have demonstrated a direct correlat...

An ultra-thin metamaterial absorber (MMA) comprises of a split-ring-cross (SRC)-shaped resonator coupled with graphene and dielectric layer backed by metallic ground plane is presented for hepta-band applications. The proposed absorber demonstrates multiple absorption peaks at 2.33, 5.24, 7.74, 8.25, 10.05, 10.97 and 12.61 THz with average absorpti...

In this study, an ultra-compact metamaterial absorber (MMA) has been proposed for microwave applications comprising two modified square-shaped resonators printed on a dielectric substrate and terminated by a metallic plane. The proposed MMA exhibits perfect absorption at 3.36 GHz, 3.95 GHz and 10.48 GHz, covering S- and X-band applications. The abs...

The momentum‐dependent splitting of spin‐bands in an electronic system is known as the “Rashba effect.” Systems with the Rashba effect possess a Dirac point in momentum space, which may act as a source of Berry's phase for the conduction electrons of such system. Herein, the Shubnikov–de Haas oscillations (SdH) at the conducting interface of EuO–KT...

In this work, a facile synthesis of multilayer graphene oxide (GO) sheets having a two-dimensional structure has been realized using the modified Hummers and Offeman method. The as-synthesized GO was analyzed by UV-visible, FTIR, Powder X-ray Diffraction (PXRD), HRTEM, FESEM, and EDX for optical, chemical, structural, morphological, topographical,...

In this paper, we have prepared the lead-free piezoelectric BZT-xBCT (x = 0.48, 0.49, 0.50 and 0.51) polycrystalline compositions using solid-state reaction technique. Structural, microstructural and electrical properties were explored by changing the BCT concentration. Structural analysis shows the existence of morphotropic phase boundary in BZT-x...

Graphene zirconium oxide nanocomposite (Gr@ZrO2‐NC) has been functionalized with cetyltrimethylammonium bromide (CTAB or CT) or butanediyl‐1,4, bis (N, N‐hexadecyl ammonium) dibromide (cationic gemini surfactant (CGS)). Structural, morphological, optical and thermal properties of synthesized adsorbents (Gr@ZrO2‐NC, CT‐Gr@ZrO2‐NC and CGS‐Gr@ZrO2‐NC)...

Uranium can be released into the environment from various activities such as the use of phosphate fertilizers, combustion of coal in thermal power plants, mining, and depleted uranium used in the wars. One of the talked about sources for such water contamination in Bathinda city is the fly ash from the coal-fired thermal power plants. To assess the...

Lead-free multiferroic composites of 1 − x(K0.5Na0.5NbO3 − x(Co0.6Zn0.4)(Fe1.7Mn0.3)O4 (KNN-CZFMO), where x= 0.0, 0.1, 0.2, 0.3, 0.4, 0.5 and 1.0, have been investigated for their structural, morphological, electrical, magnetic, dielectric and magneto-dielectric properties. Presence of KNN and CZFMO crystal structure in each composite has been conf...

Ferroelectrics, which exhibit spontaneous ordering of electrical dipoles below a certain critical temperature, are promising candidates in the field of green – solid state – refrigeration technology due to displaying significant thermal response against application/removal of the electric field, known as electrocaloric effect. Additionally, ferroel...

The computer-aided algorithms are becoming indispensable in the field of digital subtraction angiography for better subsequent clinician diagnosis and feature extraction. These tools find widespread application for localization and highlighting potential malfunctioned sites and abnormal vascular pathology. For this purpose, an enhancement filter fu...

Zn1−xFexO nanoparticles with different doping concentration i.e. (x = 0, 0.01, 0.02, 0.03, 0.04, 0.05) were successfully synthesized via hydrothermal method. The crystal structure, morphology, optical and magnetic properties were studied by X-ray diffraction, field emission scanning electron microscope, UV–visible, photoluminescence spectra (PL) an...

The present work reports a method for thickness measurements of low-Z films deposited on a thick substrate using energy dispersive X-ray fluorescence (EDXRF) technique. For this, ZnO and single-wall carbon nanotubes (SWCNTs) films (thickness ~ 1–100 mm) were fabricated on thick Si substrates using a sol-gel spin coating technique. The fabricated fi...

Intercalation doping is emerging as a prospective solution to enhance the performance of graphene nanoribbon interconnects. In this paper, the radio frequency (RF) analysis of stage-2 arsenic pentafluoride- and lithium-doped multilayer graphene nanoribbons (MLGNRs) has been carried out for global-level interconnects in terms of skin depth, surface...

Fe/Co co-doped Zinc oxide was prepared by using hydrothermal method. Refinement of recorded X-ray diffractograms was done by Rietveld method by using MAUD. It shows that all the samples have a hexagonal structure with space group P63mc and the average crystallite size of the samples lie between 49-79 nanometers. Presence of some secondary phases...

The multiferroic composite ceramics of (1-x)[K0.5Na0.5NbO3]-x[Co(Mg0.05Fe1.95)O4]; x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5 and 1.0 have been synthesized by solid-state route. The effect of stoichiometric proportions on their structural, morphological, ferroelectric, dielectric, magnetic and magnetodielectric properties has been explored in detail. The dua...

In this report, we investigate ferroic properties of Nb5+ and Ce4+ co-doped bZr0.95Ti0.05O3 (PZT95/5) ceramics, prepared via conventional solid state reaction route. Room temperature X-ray diffraction pattern suggests that synthesized samples crystallize with rhombohedral crystal symmetry (space group—R3c), equivalent to Zr rich PZT materials. Diel...

This paper presents three self-powered photodetectors namely, p+-bilayer graphene (BLG)/n+-ZnO nanowires (NWs), p+-BLG/n+-Si NWs/p--Si and p+-BLG/n+-ZnO NWs/p--Si. The Silvaco Atlas TCAD software is utilized to characterize the optoelectronic properties of all the devices and is validated by analytical modeling. The proposed dual-junction photodete...

The present study reports photocatalytic behaviors of stand-alone graphene oxide (GO) and reduced graphene oxide (rGO) nanostructures synthesized by improved Hummer’s method. The synthesized materials were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) spectroscopy, ultra-violet visibl...

This paper presents a graphene-based tunable polarization-insensitive metamaterial absorber (MMA) at terahertz (THz) frequencies. The absorber consists of top patterned gold (Au) layer followed by single layer of graphene, dielectric spacer, and Au layer at bottom. The proposed MMA demonstrates multi-band absorption with the characteristics of both...

Present research work describes in detail the investigations related with the multiferroic properties of (1-x) Ba0·85Ca0·15Ti0·9Zr0·1O3-xC0.6Zn0·4Fe1·7Mn0·3O4 [(1-x) BCZT-x CZFMO]; x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5 and 1.0 composites, synthesized by conventional solid-state route. X-Ray Diffraction (XRD) patterns have predicted the perovskite tetrag...