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Updated: May 8, 2026

Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores

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An optimization method for parameter extraction of metals using modified Debye model.

Rakibul Hasan Sagor¹, Md Ghulam Saber, Md Thesun Al-Amin

¹Department of Electrical and Electronic Engineering, Islamic University of Technology, Board Bazar, Gazipur, 1704 Bangladesh.

|September 12, 2013

Summary

This summary is machine-generated.

The Modified Debye Model (MDM) provides new parameters for five metals. These parameters accurately determine metal permittivity in optical and near-infrared ranges, matching experimental data.

Keywords:

Finite-difference time-domain Metal optics Modified Debye model Near-IR photonics

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Area of Science:

Materials Science
Condensed Matter Physics
Optical Properties of Materials

Background:

Accurate modeling of material properties is crucial for optical and electronic applications.
The Modified Debye Model (MDM) is a theoretical framework used to describe dielectric properties.
Experimental determination of material parameters can be complex and time-consuming.

Purpose of the Study:

To present Modified Debye Model (MDM) parameters for five distinct metals.
To develop and apply a nonlinear optimization algorithm for parameter extraction.
To validate the extracted parameters by determining complex relative permittivity.

Main Methods:

Development of a nonlinear optimization algorithm.
Extraction of Modified Debye Model (MDM) parameters for five metals.
Calculation of complex relative permittivity using extracted parameters.

Main Results:

Successfully extracted Modified Debye Model (MDM) parameters for five metals.
Determined the complex relative permittivity of these metals across optical and near-infrared spectra.
Achieved excellent agreement between calculated and experimental permittivity values.

Conclusions:

The developed nonlinear optimization algorithm effectively extracts MDM parameters.
The extracted MDM parameters accurately predict metal permittivity in the optical and near-IR regions.
This approach offers a reliable method for characterizing metal optical properties.