1 x 4 array antenna for wireless local area network (WLAN) by Adan, Fuad Hassan

“…The antenna's efficiency will be improved by a low loss-tangent. The patch array also has a better directivity than the single patch. …”
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Metamaterial absorbers and reflectors for multiband and wideband applications by Mustapha, Mohammed Gajibo

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Flexible skin-contact antenna with artificial magnetic conductor for health monitoring application by Othman, Nazirah

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Synthesize And Characterization Of Al2o3–, Batio3–, Tio2–, Cuo–Ccto Composites For Wideband Dielectric Resonator Application by Zaman, Rosyaini Afindi

“…In general this antenna is big in size with high tangent loss (tan δ) and the bandwidth is narrow with low efficiency. …”
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Identification of continuous-time model of hammerstein system using modified multi-verse optimizer by Most. Julakha, Jahan Jui

“…Various nonlinear subsystems such as quadratic and hyperbolic functions (sine and tangent) are used in those experiments. Numerical and experimental results are analyzed to focus on the convergence curve of the fitness function, the parameter variation index, frequency and time domain response and the Wilcoxon rank test. …”
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Zero-index metamaterial superstrates uwb antenna for microwave imaging detection by Mohd Aminudin, Jamlos, Nur Amirah, Othman, Wan Azani, Mustafa, Mohd Faizal, Jamlos, Mohamad Nur Khairul Hafizi, Rohani

“…Apart from that, Rogers (RT5880) substrate material is employed to fabricate the designed MTM unit cell, with the following characteristics: 0.51 mm thickness, the loss tangent of 0.02, as well as the relative permittivity of 2.2, with Computer Simulation Technology (CST) performing the simulation and design. …”
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Implementation of lead niobate zirconate titanate (PNZT) thin films as passive monolithic microwave integrated circuit elements / Suhana Sulaiman by Sulaiman, Suhana

“…However, the PZT samples were less lossy, with loss tangents of the order of 0.18 at 40 MHz to 0.07 at 20 GHz. …”
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Preparation of sulfonated incomplete carbonized glucose acid catalyst via microwave irradiation for mehtyl ester production by Saimon, Nur Nazlina

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Effect of silica and pofa on electrical, physical and mechanical properties of linear low-density polyethylene-natural rubber composite by Siti Sarah Junian

“…In this study, dielectric constant and tangent delta are investigated between 20Hz to 4000Hz. …”
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Microwave absorber based on biocomposites derived from agricultural wastes with reinforcement of poly lactic acid by Baharudin, Elfarizanis

“…Their dielectric constant, (’) and loss tangent, (tan ) are extracted using open ended coaxial probe and S-parameter Reflection measurements. …”
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Arsenic (III) removal from water using natural sedimentary rocks by Yusof, Nur Zulaikha

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Leucaena Leucocephala : A new green biocomposite substrates for wireless applications / Ahmad Azlan Ab Aziz by Ab Aziz, Ahmad Azlan

“…The analysis of the biocomposite substrate in terms of dielectric constant (Dk), Loss tangent (Tan δ), thermal properties, electrical strength analysis, and mechanical strength properties was conducted to update the CST antenna simulation software new material database. …”
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Properties of Linear Low Density Polyethylene Silicone Rubber Nanocomposites For High Voltage Insulation Application by Ismail, Nurul Hidayah Ismail_

“…The samples with masterbatch-SR/BN exhibited encapsulation structure and showed the highest dielectric breakdown strength and the lowest permittivity and loss tangent compared to the other two mixing sequences which generated separated dispersion structure. …”
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Response Surface Method Optimizing The Formation Of Yttrium Iron Garnet (YIG) Via Response Surface Method (Rsm) For Dielectric Resonator Antenna (DRA) Application by Ali, Wan Fahmin Faiz Wan

“…The measured dielectric properties (dielectric constant, εr = 15.72 and tangent loss, tan δ = 0.0069) show that OPYIG is a suitable material for DRA applications. …”
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Design optimization of broadband rape-based reflectary antena elements for x-band applications by Ijaz Malik, Hasan

“…The characterization results demonstrated low permittivities of 1.81, 1.63 and 1.84 for the proposed dielectric substrates, along with loss tangents of 0.053, 0.048 and 0.057 respectively. Three different types of element configurations; rectangular, double C – Slot and double U – Slot were simulated over proposed paper substrate materials and fabricated using an adhesive copper tape. …”
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