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Updated: Dec 11, 2025

Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model
Published on: May 23, 2018
Atomic atmosphere: a way to understand phase evolution during vanadium slag roasting at the atomic level
Hong Yi Li1, Kang Wang1, Chengjie Wang1
1College of Materials Science and Engineering, Chongqing Key Laboratory of Vanadium-Titanium Metallurgy and New Materials, Chongqing University, Chongqing, 400044, People's Republic of China.
Understanding atomic atmosphere aids vanadium recovery. This novel concept tracks vanadium atom states during roasting, revealing microscopic phase evolution for improved metal extraction from minerals.
Area of Science:
- Materials Science
- Metallurgy
- Chemical Engineering
Background:
- Vanadium recovery from slag is crucial for industrial applications.
- Understanding phase evolution during roasting is key to optimizing vanadium extraction.
- Current methods lack detailed insight into microscopic changes.
Purpose of the Study:
- To introduce the novel concept of 'atomic atmosphere' for analyzing vanadium atom behavior.
- To evaluate and recognize the microscopic state of vanadium atoms before and after roasting.
- To provide a universal method for exploring phase evolution mechanisms in mineral processing.
Main Methods:
- Defining 'atomic atmosphere' to encompass chemical state, chemical environment, and spatial environment.
- Applying the 'atomic atmosphere' concept to analyze vanadium slag.
- Observing microscopic changes in vanadium atom states during the roasting process.
Main Results:
- The 'atomic atmosphere' concept effectively characterizes the microscopic state of vanadium atoms.
- This approach reveals intrinsic phase evolution during vanadium slag roasting.
- It offers a new perspective on understanding metal-extraction processes.
Conclusions:
- The 'atomic atmosphere' is a powerful tool for understanding phase evolution in metallurgical processes.
- This concept enhances the understanding of vanadium atom behavior during roasting.
- It paves the way for improved vanadium recovery strategies.
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