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May 10, 2026Zeitschrift für anorganische und allgemeine ChemieOpen Access

Preparation of Rocksalt‐Type Semiconductor Ca 2 TaN 3 via Hot Isostatic Pressing

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Authors

AGAdriana GrünwaldJMJulian MalburgDWDominik Werhahn

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Overview

Randomized trial synthesizes Ca2TaN3 with positive thermal stability, indicating potential use for electronics.

Key Points

  • This work aims to synthesize the rocksalt-type double nitride Ca2TaN3 using hot isostatic pressing to explore its properties.
  • Synthesis performed via hot isostatic pressing at 1400°C and 150 MPa pressure.
  • Rietveld refinement used for structure analysis; the lattice parameter was measured as a = 4.7473(1) Å.
  • Magnetization measurements and UV-Vis spectroscopy were conducted to assess magnetic and optical properties.
  • Confirmed diamagnetic nature of Ca2TaN3 with tantalum in the +V oxidation state.
  • Determined direct bandgap of E_gap = 2.46 eV revealed by UV–Vis spectroscopy.
  • Established excellent thermal stability of the compound up to 1000°C with a linear thermal expansion coefficient of α_a = 9.95(7) × 10−6 K−1.

Cite This Study

Grünwald et al. (2026) studied this question.

synapsesocial.com/papers/6a0021e6c8f74e3340f9ce6ehttps://doi.org/10.1002/zaac.70144
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