Diffusion Energy Calculation via TS Search: CASTEP | Materials Studio #dft #materialsscience

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Diffusion Energy Calculation via TS Search: CASTEP | Materials Studio #dft #materialsscience

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• Geometry Optimization Guide: https://youtu.be/zq6AhZ5s5FY

In this advanced, step-by-step tutorial, you will learn how to calculate **diffusion energy barriers** using transition state (TS) search in CASTEP within Materials Studio. Master the complete workflow for determining activation energies for atomic diffusion in solids, surfaces, and battery materials.

This guide is designed for **graduate students, PhD candidates, and R&D professionals** studying diffusion mechanisms in lithium-ion batteries, hydrogen storage, ion conductors, and surface migration.

**Continue Learning:**

• Complete Materials Studio Playlist: https://www.youtube.com/playlist?list=PLnU9F5cgmoATCVFWNIkOWn5EPasJXqOd7
• Advanced Adsorption Energy Tutorial: https://youtu.be/FEvWg6pdoDs
• Fe₂O₃ Phonon Calculation: https://youtu.be/A9Egr013og0

🎯 **Why This Tutorial is Essential:**

• **Calculate Accurate Diffusion Energies:** Learn how to determine the energy barrier atoms must overcome to move through crystal lattices, surfaces, or interfaces.
• **Complete TS Search Workflow:** Master supercell creation, trajectory setup, and transition state calculations specifically optimized for diffusion problems.
• **TS Confirmation & Validation:** Go beyond just finding a transition state — confirm it's a true saddle point and extract the minimum energy path (MEP) for diffusion.
• **From Setup to Activation Energy:** Follow a clear A-to-Z guide from building your initial and final states to extracting publication-ready diffusion energy values.
• **Professional Settings Guidance:** Learn how to scale from tutorial settings to 'fine'/'ultrafine' for research-grade results, plus how to interpret warnings.

📚 **What to Expect on Materials Made Easy:**

• Software Mastery: Materials Studio, VASP, Quantum ESPRESSO, COMSOL, X'Pert HighScore, VESTA, Origin
• Practical Guides: DFT/MD Simulations, XRD Analysis, Data Visualization, Thermodynamic Properties
• Pro Tips: Workflow Optimization, Troubleshooting, Hidden Software Features
• Research-Ready Content: Tailored for academic and industrial R&D to accelerate your projects.

⏱️ **Video Chapters:**

00:00 – Structure Preparation
01:00 – Setting Up Initial & Final States for Diffusion
03:00 – Generating Trajectory Documents
04:05 – Running Transition State Search in CASTEP
05:20 – Calculating Diffusion Energy Barrier (Activation Energy)
05:50 – Running Transition State Confirmation in CASTEP

💬 **Your Questions & Research Matter!**

I read every comment. Struggling to converge your diffusion calculation? Not sure if your TS is correct? Ask below and I'll help you troubleshoot.

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