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Updated: Nov 9, 2025
10:44
Preparation of Carbon Nanosheets at Room Temperature
Published on: March 8, 2016
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Thermodynamics of Linear Carbon Chains.
Nathalia L Costa1, Keshav Sharma2, Yoong Ahm Kim3
1Department of Physics, Federal University of Ceara, 60455-760 Fortaleza, Ceara, Brazil.
Physical Review Letters
|April 9, 2021
Summary
Linear carbon chains
Area of Science:
- Physics and Materials Science: Focus on one-dimensional materials and their thermal properties.
Background:
- Linear carbon chains (LCCs) exhibit unique thermal characteristics due to their one-dimensional nature.
- Their phonon interactions are restricted, making Raman spectroscopy a sensitive probe.
Purpose of the Study:
- To establish a method for evaluating the thermal properties of LCCs.
- To provide universal relations for these properties based on LCC structure and temperature.
Main Methods:
- Utilizing the temperature dependence of the Raman C-band frequency.
- Applying a semiempirical approach within the Debye formalism.
Main Results:
- Demonstrated the use of the C-band frequency to determine LCC internal energy, heat capacity, and thermal expansion.
- Derived universal relationships for these thermal properties.
Conclusions:
- The Raman C-band frequency is an effective tool for characterizing LCC thermal behavior.
- Universal relations simplify the assessment of LCC thermal properties across different temperatures and chain lengths.
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