Effect of Willemite Addition on the Zinc Containing Soft Porcelain Crystal Glazes




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TitleEffect of Willemite Addition on the Zinc Containing Soft Porcelain Crystal Glazes
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PANI-PON PANI-SUN PANI-TART PANI-NAPH

Figure 1. Scanning electron micrographs of different dopants with PANI


Keywords : polyaniline, SEM, conducting polymer, nanofiber

References

[1] Bartlet PN, Birkin PN. Synth Met 1993;61:15.

[2] Wojkiewicz, J. L.; Fauveaux, S.; Miane, J. L. Synth Met 2003, 135, 127.

[3]E. Hür, G. Bereket, Y. Şahin, Prog. Org. Coat. 57 (2006) 149


P-040M


CuAlS2 filmlerinin yapısal ve morfolojik özelliklerine taban sıcaklığının etkisi


Effect of substrate temperature on structural and morphological properties of CuAlS2 films


Müjdat Çağlar, Yasemin Çağlar, Saliha Ilıcan


Anadolu Üniversitesi, Fen Fakültesi Fizik Bölümü, Eskişehir


Özet

The I–III–VI2 chalcopyrite compounds have revealed much interest as semiconductors. Among chalcopyrite semiconductors, CuAlS2 has the widest band gap of 3.49 eV and the doped one is one of the candidates for full color optical material. The spray pyrolysis method is cheaper, simpler and more versatile than the others and gives the possibility of obtaining films with suitable properties for optoelectronic applications and also when large areas are needed. The structural and morphological properties of CuAlS2 films deposited by spray pyrolysis method have been investigated. CuAlS2 in the form of films is prepared at different substrate temperatures by spray pyrolysis method. The structural and morphological properties of the films have been investigated. The crystal structure and orientation of the films were investigated by X-ray diffraction (XRD) patterns. From these patterns, it is seen that the films are polycrystalline in nature. The peak with the (1 1 2) belongs to the CuAlS2 film in tetragonal form. The grain size of the films was calculated using the Debye-Scherrer formula. Texture coefficient and lattice constants were also calculated. Morphological characterization and compositions of CuAlS2 films were performed by scanning electron microscope (SEM) and energy dispersive X-ray (EDX) analysis, respectively. It was observed that the surface morphologies of the films are almost uniform particle size distribution for films.

Anahtar Kelimeler : Spray pyrolysis; CuAlS2; Morphological characterization.


P-041M


ZnO ince filmlerinin yapısal ve morfolojik özelliklerine indiyum, kalay ve alüminyum katkısının etkisi


Effect of indium, tin and aluminum doping on structural and morphological properties of ZnO thin films


Saliha Ilıcan, Müjdat Çağlar, Yasemin Çağlar


Anadolu Üniversitesi, Fen Fakültesi Fizik Bölümü, Eskişehir


Özet

ZnO can be doped with a wide variety of ions to meet the demands of several application fields. Typical dopant elements (F, B, Al, Ga, In, Sn etc.) have been used to produce conducting films of ZnO. The ZnO doping is achieved by replacing Zn2+ atoms with atoms of elements of higher valance such as In3+, Al3+, Sn4+, Pb4+. Undoped and In, Sn and Al doped ZnO films are prepared by spray pyrolysis method. Effect of different dopants on the structural and morphological properties of ZnO thin films has been investigated. X-ray diffraction patterns confirm that the films have polycrystalline nature. The thin films have (002) as the preferred orientation. This (002) preferred orientation is due to the minimal surface energy which the hexagonal structure, c-plane to the ZnO crystallites, corresponds to the densest packed plane. Morphological characterization and compositions of CuAlS2 films were performed by scanning electron microscope (SEM) and energy dispersive X-ray (EDX) analysis, respectively. It was observed that the morphological structure of the ZnO thin films has been changed with dopant elements.

Anahtar Kelimeler: Spray pyrolysis, ZnO, dopant material, Morphological characterization.


P-042M


Sol gel spin coating metodu ile ZnO nanofiber yapılı ince filmlerinin elde edilmesi


Deposition of ZnO nanofiber-structured thin films by sol gel spin coating method


Yasemin Çağlar, Müjdat Çağlar, Saliha Ilıcan


Anadolu Üniversitesi, Fen Fakültesi Fizik Bölümü, Eskişehir


Özet

ZnO nanofiber-structured thin films were deposited by the sol-gel spin coating method. The structural and morphological properties of the ZnO nanofiber thin films were investigated. Zinc acetate dehydrate (Zn(CH3COO)2.H2O), 2-methoxethanol and monoethanolamine (MEA) were used as a starting material, solvent and stabilizer, respectively. The surface morphology of the films was investigated by Scanning Electron Microscopy (SEM). The crystal structure and orientation of the films were investigated by X-ray diffraction (XRD) patterns. The XRD spectra of the films reveal that the existence of a ZnO single-phase with a hexagonal wurtzite structure. The grain size, texture coefficient, dislocation density and lattice constants of the films was calculated. Morphological characterization and compositions of ZnO nanofiber-structured thin films were performed by scanning electron microscope (SEM) and energy dispersive X-ray (EDX) analysis, respectively. It was observed that the formation of nanofiber has been revealed at the thick film.

This work has been supported by Anadolu University Commission of Scientific Research Projects (Project No: 061039).


Anahtar Kelimeler : Sol gel spin coating; ZnO; nanofiber.

P-043M


Elektrokimyasal Yöntem İle Üretilen Cofe İnce Filmlerin Grain Büyüklüklerine Uygulanan Voltajların Etkileri


Effects Of Applied Voltages On Grain Sizes Of Cofe Thin Films Produced By Electrodeposition Technique


M. Celalettin Baykul1, T. Sahin2, A., Karpuz2, H. Kockar2, M. Alper3, E. Ayas4


1Eskişehir Osmangazi Üniversitesi,

2Balıkesir University, Faculty of Arts and Science, Physics Department, Balıkesir, Turkey

3Uludag University, Faculty of Arts and Science, Physics Department, Bursa, Turkey

4Anadolu University, Faculty of Engineering and Architecture, Department of Material Science and Engineering, Eskisehir, Turkey


Özet


CoFe thin films have been grown on a titanium substrate by the electrodeposition technique using FeSO4 (0.1 M), CoSO4 (0.5 M), and H3BO3 (0.3 M) solutions at the ambient temperature and the pH value of 2.96. The sample preparation process was performed by applying two different voltages such as -1.8 V and -2.7 V, and anisotropic magnetoresistance (AMR) values of the thin films were obtained as 2.80 (at%) and 6.60 (at%), respectively. The elemental characterization of the CoFe thin films was carried out using EDX. The quantitative results of EDS for the CoFe thin film produced using the applied voltage of -1.8 V demonstrated that the existence of Fe 21.08(at%), Co 76.53 (at%), and O (Oxygen) 2.39 (at%). However, the quantitative results of EDS for the CoFe thin film with the applied voltage of -2.7 V have also shown that the existence of Fe 15.75 (at%), Co 81.25 (at%), and O (Oxygen) 3.01 (at%). AFM and SEM results will be also presented in details.


Anahtar Kelimeler : CoFe thin films, AFM, EDX, SEM, AMR


P-044M


Seramik Metal Kompozitlerin Tane Boyutlarının Taramalı Elektron (SEM), Atomik Kuvvet (AFM) ve Optik Mikroskop ile Belirlenmesi


Size Determination of Ceramic Metal Composites with Scanning Electron (SEM), Atomic Force (AFM) and Optic Microscopes


Tuba Özdemir1, Rıdvan Ünal2, Suat Özkorucuklu1


1Süleyman Demirel Üniversitesi / Fen-Edebiyat Fakültesi / Fizik Bölümü, Isparta

2Afyon Kocatepe Üniversitesi / Fen-Edebiyat Fakültesi/Fizik Bölümü, Afyon


Özet


Size of ceramic-metal composites, made from boron carbide-aluminum-nickel powders, has been determined by Scanning Electron, Optic and AFM Microscopes. The samples were sintered and some plated at different temperatures ranging from 12000C to 13500C in Argon atmosphere. The results are presented in a table.


Anahtar Kelimeler: SEM, AFM, Optik Mikroskop, Seramik-Metal Kompozit

P-045M


Effects of different electrolyte pH values on grain size


M. Celalettin Baykul1, T. Sahin2, A. Karpuz2, H. Kockar2, M. Alper3, E. Ayas4


1Eskişehir Osmangazi Üniversitesi, Fen Fakültesi Fizik Bölümü, Eskişehir

2Balıkesir University, Faculty of Arts and Science, Physics Department, Balıkesir, Turkey

3Uludag University, Faculty of Arts and Science, Physics Department, Bursa, Turkey

4Anadolu University, Faculty of Engineering and Architecture, Department of Material Science and Engineering, Eskisehir, Turkey


Özet


CoFe thin films have been grown on a titanium substrate by the electrodeposition technique using FeSO4 (0.1 M), CoSO4 (0.5 M), and H3BO3 (0.3 M) solutions at the ambient temperature. CoFe thin films were prepared at two different electrolyte pH values such as 2.96 and 3.70 and anisotropic magneto-resistance (AMR) values of the thin films were obtained as 8.80 (at%) and 7.00 (at%), respectively. AFM and SEM results have shown that grain sizes of CoFe thin films for two different pH values with 2.96 and 3.70 are 0.1 m and 1.0 m, respectively. However, the elemental characterization of the CoFe thin film was carried out using EDX. The quantitative results of EDS for the CoFe thin film prepared with the pH value of 2.96 have shown that the ratio of Fe to Co is 12.01: 87.99 (at%). The quantitative results of EDS for the CoFe thin film with the pH value of 3.70 have also shown that the existence of Fe, Co, and O are 10.87 (at%), 87.81 (at%), and 1.33 (at%), respectively.


Anahtar Kelimeler: AFM, SEM, EDS, CoFe thin films, electrodeposition technique, AMR


P-046M


Electrochemical polymerization and morphology of thiophene and its derrivatives


Tiyofen ve Türevlerinin Elektrokimyasal Polimerizasyonu ve Yüzey Morfolojileri (AFM)


C. Metehan Turhan, A.Sezai Saraç, Aslı Genctürk


Istanbul Technical University, Department of Chemistry, 34469 Maslak, Istanbul


Abstract


In view of the wide spectrum of potential applications, it is clear that a further examination of the electropolymerization conditions, use of different substrates, and the stability of the resulting polymer can help to extend the scope of the technological applications of conducting polymers as thin films.[1]


Factors affecting the electrocopolymerization are investigated to control experimental conditions. Electropolymerization is controlled by a variety of parameters, i.e. concentration, monomer feed ratio, temperature, electrolyte type, number of carbon fibers, and scan rate. Carbon fibers as micron-sized electrodes(CFME), the nature of copolymeric films, and their structure and compositions play an important role in understanding the effect of the electrochemical conditions used for coating the fiber on the final properties of the modified carbon surface[2]


In this study, electropolymerization of bithiophene and its derrivatives  were achieved on CFME and ITO surfaces, than characterized via cyclic voltametry and atomic force microscopy(AFM). Uniformity of coated thin films were compared at different substrates and conditions.

Referanslar :


[1] A. S. Sarac, U. Evans, M. Serantoni, J. Clohessy, V. J. Cunnane. Surface and Coatings Technology 182 (2004) 7–13


[2] M. Serantoni, A. S. Sarac, D. Sutton, Surface & Coatings Technology 194 (2005) 36– 41


P-047M


Self-organized FeO nanorods during the depositon of FeCu thin films fabricated by electrodeposition technique


M. Celalettin Baykul1, A. Karpuz2, T. Sahin2, H. Kockar2, M. Alper3


1 Eskişehir Osmangazi Üniversitesi, Fen Fakültesi Fizik Bölümü, Eskişehir

2Balıkesir University, Faculty of Arts and Science, Physics Department, Balıkesir, Turkey

3Uludag University, Faculty of Arts and Science, Physics Department, Bursa, Turkey


Özet


FeCu thin films have been grown on a titanium substrate by the electrodeposition technique using FeSO4 (1 M), CuSO4 (0.01 M), and H3BO3 (0.1 M) solutions at the ambient temperature and the pH value of 2.24. The sample preparation process was performed using

-1.8 V. SEM result has shown that self-organized FeO nanorods have formed with the diameter of 100 nm during the growth of FeCu thin film. The quantitative results of EDS for FeO nanorods have shown that the existence of Fe, O, and S are 49.50 (at%), 46.57 (at%), and 3.93 (at%), respectively. The quantitative results of EDS for the FeCu thin film have shown that Fe, Cu, and O are 91.58 (at%), 4.06 (at%), and 4.36 (at%), respectively.


Anahtar Kelimeler : FeCu thin films, FeO nanorods, SEM, EDX, electrodeposition technique


P-050M


Co-Fe-Ta-B İri Hacimli Metalik Camlarının Optik Mikroskobi İle İncelemesinde Çeşitli Dağlayıcı Türlerinin Etkisi


Effects of Various Etchants on Investigation of a Co-Fe-Ta-B Bulk Metallic Glass by Optical Microscopy


Aytekin Hitit1, Rıza Kara2,Z.Özgür Yazıcı1, Fatih Çolak2


1Afyon Kocatepe Üniversitesi Mühendislik Fakültesi, Afyonkarahisar

2Afyon Kocatepe Üniversitesi Teknik Eğitim Fakültesi, Afyonkarahisar


Özet

Günümüzde giderek önem kazanan ve yeni araştırma kapıları açan malzemelerden birisi de metalik camlardır. Metalik camlarda ve metalik cam kompozitlerde atomların belirli bir kristal düzende yerleşmemesi veya bölgesel olarak yerleşmesi bu malzemelerin optik mikroskop analizlerini sınırlandırmaktadır.


Bu çalışmada; Co esaslı iri hacimli metalik camlarda çeşitli daðlayıcı karışımlarının optik mikroskop analizlerine etkisi incelenmiştir.


Anahtar Kelimeler: Metalik camlar, optik mikroskobi, dağlama


P-052M


Oxygen K-edge ELNES of Strontium Aluminate


Cleva Ow-Yang1, Vesna Srot2, Ömür Işıl Aydın1, Cahıt Benel1


1Materials Science & Engineering Sabanci University

2Max-Planck-Institüt für Metallforschung, Stuttgart, Germany

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