STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ

Gülbeniz Yaldiz İnce; Mustafa Yunus Kaya

doi:10.31796/ogummf.1542806

TR EN

STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ

Öz

Son yirmi yıllık süreçte, elektromekanik cihazlarda, enerji hasadı ve enerji depolama uygulamalarında yaygın kullanıma sahip kurşun zirkonat titanat ve türevi seramiklere alternatif olarak kurşun içermeyen piezoseramiklerin araştırılması ve geliştirilmesi üzerine çok sayıda çalışma yapılmıştır. Bu araştırmalar içerisinde sodyum bizmut titanat (Na0.5Bi0.5TiO3-NBT) esaslı seramikler ve morfotropik faz sınırı (MFS) kompozisyonları sergiledikleri elektriksel özellikler ile öne çıkmaktadır. Bu çalışmada, NBT seramik bileşimi stronsiyum titanat (SrTiO3-ST) ile modifiye edilmiştir. [Na0,5Bi0,5TiO3]0,75[Sr1-xTiO3-x]0,25-NBT-SnT (x=0,25) kimyasal formülünce stokiyometrik olmayan seramik kompozisyonu katı hal kalsinasyon yöntemiyle sentezlenmiş ve CuO katkısının sinterleme performansı ve özellikleri üzerine etkisi incelenmiştir. Sentezleme işlemi sonrasında psedokübik simetride NBT-SnT fazının yüksek oranda oluştuğu görülmüştür. Sinterleme yardımcısı CuO katkısı miktarına bağlı olarak sinterleme işleminde ikincil faz oluşumu gözlenmiştir. En yüksek yoğunlaşma oranı %0,5 CuO katkılı seramiklerde 1200 °C’de 3 saat sinterleme ile elde edilmiştir. Bu seramikler için 10 kHz frekansında dielektrik sabiti (K) 570 ila 1300 arasında, dielektrik kayıp (tan ) değerleri 0,04 ila 0,11 arasında, relaksör ferroelektrik davranışa işaret eden yayınımsallık derecesi () ise 1, 84 ila 1,99 arasında değişmektedir.

Anahtar Kelimeler

Kurşunsuz Seramik , Sodyum Bizmut Titatanat , Ferroelektrik , CuO Katkı

INVESTIGATION OF THE EFFECT OF CuO SINTERING AID ON THE ELECTRICAL PROPERTIES OF NON-STOICHIOMETRIC NBT-ST CERAMICS

Abstract

In the last two decades, extensive research has been conducted on lead-free piezoceramics to find alternatives to lead-zirconate-titanate (PZT) and its derivatives, which are widely utilized in electromechanical devices, including actuators, transducers, sensors, energy harvesting, and energy storage applications. Among these studies, sodium bismuth titanate (Na0.5Bi0.5TiO3-NBT) based ceramics and compositions near the morphotropic phase boundary (MPB) are notable for their electrical properties. A recent study modified the NBT ceramic composition with strontium titanate (SrTiO3-ST). The non-stoichiometric ceramic composition [Na0,5Bi0,5TiO3]0,75[Sr1-yTiO3-x]0,25-NBT-SnT (where x=0.25) was synthesized via solid-state calcination, and the effect of CuO additives on sintering performance and properties was investigated. The synthesis process achieved a significant proportion of the NBT-SnT phase in pseudo cubic symmetry. Secondary phase formation during sintering was observed to increase with CuO sintering aid. The highest density was achieved with ceramics containing 0.5% CuO sintered at 1200°C for 3 hours. For these ceramics, the dielectric constant (K) ranged from 570 to 1300 at a frequency of 10 kHz, with dielectric loss (tan δ) values ranging from 0.04 to 0.11, indicative of relaxor ferroelectric behavior with a degree of diffuse phase transition (γ) ranging from 1.84 to 1.99.

Keywords

Lead-free Ceramic , Sodium Bismuth Titanate , Ferroelectric , CuO doped , Electrical Properties

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Details

Primary Language

Turkish

Subjects

Materials Engineering (Other)

Journal Section

Research Article

Authors

Gülbeniz Yaldiz İnce
0000-0003-2161-8283
Türkiye

Mustafa Yunus Kaya ^*
0000-0002-4518-3184
Türkiye

Early Pub Date

December 12, 2024

Publication Date

December 22, 2024

Submission Date

September 3, 2024

Acceptance Date

November 14, 2024

Published in Issue

Year 2024 Volume: 32 Number: 3

DOI

https://doi.org/10.31796/ogummf.1542806

IZ

https://izlik.org/JA26AG66DX

APA

Yaldiz İnce, G., & Kaya, M. Y. (2024). STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ. Eskişehir Osmangazi Üniversitesi Mühendislik Ve Mimarlık Fakültesi Dergisi, 32(3), 1526-1536. https://doi.org/10.31796/ogummf.1542806

AMA

1.Yaldiz İnce G, Kaya MY. STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi. 2024;32(3):1526-1536. doi:10.31796/ogummf.1542806

Chicago

Yaldiz İnce, Gülbeniz, and Mustafa Yunus Kaya. 2024. “STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ”. Eskişehir Osmangazi Üniversitesi Mühendislik Ve Mimarlık Fakültesi Dergisi 32 (3): 1526-36. https://doi.org/10.31796/ogummf.1542806.

EndNote

Yaldiz İnce G, Kaya MY (December 1, 2024) STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi 32 3 1526–1536.

IEEE

[1]G. Yaldiz İnce and M. Y. Kaya, “STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ”, Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, vol. 32, no. 3, pp. 1526–1536, Dec. 2024, doi: 10.31796/ogummf.1542806.

ISNAD

Yaldiz İnce, Gülbeniz - Kaya, Mustafa Yunus. “STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ”. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi 32/3 (December 1, 2024): 1526-1536. https://doi.org/10.31796/ogummf.1542806.

JAMA

1.Yaldiz İnce G, Kaya MY. STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi. 2024;32:1526–1536.

MLA

Yaldiz İnce, Gülbeniz, and Mustafa Yunus Kaya. “STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ”. Eskişehir Osmangazi Üniversitesi Mühendislik Ve Mimarlık Fakültesi Dergisi, vol. 32, no. 3, Dec. 2024, pp. 1526-3, doi:10.31796/ogummf.1542806.

Vancouver

1.Gülbeniz Yaldiz İnce, Mustafa Yunus Kaya. STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi. 2024 Dec. 1;32(3):1526-3. doi:10.31796/ogummf.1542806

STOKİYOMETRİK OLMAYAN NBT-ST SERAMİKLERİNİN ELEKTRİKSEL ÖZELLİKLERİNE SİNTERLEME YARDIMCISI CuO KATKISI ETKİSİNİN İNCELENMESİ

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Anahtar Kelimeler

INVESTIGATION OF THE EFFECT OF CuO SINTERING AID ON THE ELECTRICAL PROPERTIES OF NON-STOICHIOMETRIC NBT-ST CERAMICS

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