Síntesis, difracción de rayos X, microscopía electrónica de barrido, análisis térmico diferencial y susceptibilidad magnética de la aleación (CuAlSe₂)₁₋ₓ(TaSe)ₓ con x = 0.5 Recibido: /mayo, 2021. Aprobado: /julio, 2021.
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Abstract
Muestras policristalinas de la aleación x = 1/2 del sistema (CuAlSe2)1−x(TaSe)x fueron preparadas por el método de fusión y recocido, caracterizándolas por las técnicas de Difracción de Rayos X (DRX), Microscopia Electrónica de Barrido (MEB), Análisis Térmico Diferencial (ATD) y Susceptibilidad Magnética (SM). Se encontró que las muestras contienen dos fases principales, una pobre y otra rica en Ta, y trazas de TaSe2. La muestra presenta un comportamiento ferromagnético débil con Tc > 300 K, característica que puede ser útil para dispositivos ferromagnéticos a temperatura ambiente.
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