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Updated: Jun 14, 2026

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations
Published on: October 12, 2019
5-cm(-1) band model option to LOWTRAN5
This study enhances the LOWTRAN5 atmospheric model with higher spectral resolution and improved molecular absorption calculations. These modifications improve predictions of atmospheric transmission and radiation for various applications.
Area of Science:
- Atmospheric science
- Radiative transfer modeling
- Spectroscopy
Background:
- The LOWTRAN5 code is a widely used model for atmospheric transmission and radiation.
- Existing limitations in spectral resolution and molecular absorption calculations affect model accuracy.
Purpose of the Study:
- To present modifications to the LOWTRAN5 code to enhance its accuracy.
- To improve the calculation of atmospheric transmittance and radiance.
Main Methods:
- Increased spectral resolution from 20 cm⁻¹ to 5 cm⁻¹.
- Incorporated temperature-dependent molecular absorption coefficients.
- Utilized a multiparameter Doppler-Lorentz band model for transmittance calculations.
- Applied the Curtis-Godson approximation for multilayered atmospheric paths.
Main Results:
- The enhanced LOWTRAN5 model with 5 cm⁻¹ resolution was developed.
- Comparisons between model predictions and experimental transmittance and radiance data were performed.
Conclusions:
- The modifications significantly improve the accuracy of atmospheric transmission and radiation predictions.
- The updated model provides a more reliable tool for atmospheric studies.
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