magnetocaloric 1.1.8

Effective Approach To Calculate Magnetocaloric Effect Of Any Magnetic Material Using Python

magnetocaloric 1.1.8

Developed by Supratim Das

Effective approach to determine magnetocaloric performance of any magnetic material using python programming. From isotherm M(H) curves, using the Maxwell Relation the magnetocaloric performance of a material can be calculated with the help of this module.

What's New

• Relative cooling power (RCP) can be calculated.
• A method to visualize 'Full Width Of Half Maxima' has been employed.
• Another methods to illustrate Tricritical mean field model, 3D Heisenberg model and 3D Ising model have also been employed.

Examples of How To Use

1. Installation

Use the package manager pip to install magnetocaloric package.

 pip install magnetocaloric==1.1.8

2. Manage Excel Spreadsheet

• Check the main excel spreadsheet from where the M-H data will be fetched by the program, data must be arranged in this format given below.

• And add one extra magnetic field (Hmax + del_H) with null magnetic moment values. This is nothing else than to bring magnetic moment values of the last row under calculation.

• Create two new files (file extension xlsx) to hold the results obtained after the calculation and definitely make them closed, other wise XlsxWriter will not get access.

3. Execution

Run the code at any python based environment ( IDLE, PyCharm, Spyder etc.). But I recommend you simply execute this code using command prompt or IDLE.

import magnetocaloric.mcepy as mc

print(mc.mce(a, b))

Here, 'a' is the total number of temperature and 'b' is the total number of applied magnetic field.

Caution

• Before adding the Hmax + del_H value into the M(H) spreadsheet, The maximum value of applied magnetic field (Hmax) must be the multiple of (10xdel_H). As an example, if del_H = 500 Oe / 0.05 T, Hmax must be like 5000 Oe/0.5 T, 10000 Oe / 1 T, 15000 Oe / 1.5 T,........ or any other multiple of (10x500 Oe) whether the value of the magnetic field is Tesla or Oersted. For another example, if del_H = 700 Oe / 0.07 T, Hmax must be like 7000 Oe/0.7 T, 14000 Oe / 1.4 T, 21000 Oe / 2.1 T,........ or any other multiple of (10x700 Oe). Otherwise Hmax for not being a proper numbered figure, an error may occur. This caution is also applicable to the previous versions of the package as well.