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Esaferriti drogate per la soppressione delle EMI preparate con acido tartarico

Esaferriti drogate per la soppressione delle EMI preparate con acido tartarico


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About the Book

Esaferriti di stronzio, drogate con un diverso contenuto di Co-Zr (x), sono state sintetizzate mediante autocombustione sol-gel utilizzando l'acido tartarico come combustibile. L'effetto della temperatura di calcinazione (500-1000°C) sulla struttura, la morfologia e le proprietà magnetiche è stato studiato anche per x=0,2 e 800°C è risultata la temperatura più adatta con le migliori proprietà magnetiche. Il drogaggio determina un aumento di MS e Mr fino a x=0,4, mentre HC diminuisce continuamente fino a un livello di drogaggio di 1,0. Si osserva una dimensione cristallina media di 36,47 nm. La caratterizzazione elettromagnetica delle ferriti preparate mostra un aumento delle parti immaginarie della permittività e della permeabilità in banda Ku con il drogaggio. Le ferriti con x = 0,2, 0,8 e 1,0 hanno un'adeguata perdita di riflessione (inferiore a -10 dB) e una larghezza di banda (rispettivamente 2,35GHz, 1,46GHz e 2,9GHz) in banda Ku, per cui possono essere utilizzate come assorbitori efficaci nella soppressione delle interferenze elettromagnetiche per scopi di difesa e comunicazione. Le condizioni di accoppiamento dell'impedenza e la natura di perdita delle ferriti giocano entrambe un ruolo significativo nel determinare le proprietà di assorbimento delle esaferriti.


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Product Details
  • ISBN-13: 9786205370148
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Edizioni Sapienza
  • Height: 229 mm
  • No of Pages: 52
  • Spine Width: 3 mm
  • Width: 152 mm
  • ISBN-10: 620537014X
  • Publisher Date: 21 Nov 2022
  • Binding: Paperback
  • Language: Italian
  • Returnable: N
  • Weight: 141 gr


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Esaferriti drogate per la soppressione delle EMI preparate con acido tartarico
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Esaferriti drogate per la soppressione delle EMI preparate con acido tartarico
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