Evidence of a low compressibility carbon nitride with defect-zincblende structure

Jesús Martin-Gil, Francisco J. Martin-Gil, Mehmet Sarikaya, Maoxu Qian, Miguel José-Yacamán, Angel Rubio

Research output: Contribution to journalArticlepeer-review

80 Scopus citations

Abstract

A carbon-nitride compound with defect zincblende structure (P43m) has been discovered in samples prepared by a chemical precursor route. Crystallographical (high-resolution electron microscopy and electron nanodiffraction) and electron energy loss measurements has been performed to identify the material as cubic zincblende with C3N4 composition. Nanoindentation indicates a high elastic recovery and hardness. The results agree with detailed ab initio calculations on metastable structures and compressibility. Our synthesis method is projected to be a process that could produce large quantities of material by controlling the chemical strategy. The new compound has potential applications for high hardness, elasticity and thermal conductivity materials and thin films.

Original languageEnglish (US)
Pages (from-to)2555-2559
Number of pages5
JournalJournal of Applied Physics
Volume81
Issue number6
DOIs
StatePublished - Mar 15 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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