Amir Maghsoudipour

Materials and Energy Research Center

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Babak Raissi

Materials and Energy Research Center

Z. Khakpour

Materials and Energy Research Center

Tahereh Talebi

University of Adelaide

Touradj Ebadzadeh

Materials and Energy Research Center

Masoud Alizadeh

Materials and Energy Research Center

Fathollah Moztarzadeh

Amirkabir University of Technology

Amir Ali Youzbashi

Materials and Energy Research Center

Zohreh Hamnabard

Nuclear Science and Technology Research Institute

Fatemeh Sadat Torknik

Materials and Energy Research Center

Fatemeh Heydari

Semmelweis University

Cooperative Institutions

Materials and Energy Research Center

Iran University of Science and Technology

Islamic Azad University, Science and Research Branch

Amirkabir University of Technology

Tarbiat Modares University

University of Tabriz

Pohang University of Science and Technology

University of Tehran

Isfahan University of Technology

Imam Khomeini International University

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Synthesis of nanocrystalline YSZ (ZrO2–8Y2O3) powder by polymerized complex method

Journal of Alloys and Compounds (2009)

Shayan Farhikhteh Amir Maghsoudipour Babak Raissi

Nanocrystalline material

10.1016/j.jallcom.2009.10.196

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Citations (43)

Synthesis of high specific surface area YSZ (ZrO2–8Y2O3) nanocrystalline powder by modified polymerized complex method

Journal of Sol-Gel Science and Technology (2008)

Shayan Farhikhteh Amir Maghsoudipour Babak Raissi Babak Mozaffari

Nanocrystalline material

Specific surface area

Differential thermal analysis

10.1007/s10971-008-1842-9

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Citations (17)

بررسی اثر افزودن نانو ذرات تیتانیا بر خواص مکانیکی و قابلیت تشکیل فاز هیدروکسی آپاتیت سیمان کلسیم فسفاتی در محیط پلاسمای خون انسان

مواد و فناوری های پیشرفته (2013)

Maryam Mohammadi Amir Maghsoudipour

سیمان�های کلسیم فسفاتی به دلیل ویژگی�های منحصر بفردشان جایگزین مناسبی برای بافت استخوان هستند اما استحکام مکانیکی کم، استفاده از آنها را به نقاطی که نیازی به تحمل بار ندارد، محدود می�کند. در تحقیق حاضر به منظور بهبود خواص مکانیکی سیمانهای کلسیم فسفاتی، درصدهای مختلف نانو ذرات تیتانیا به ترکیب سیمان اضافه شد سپس نمونه�ها برای زمانهای مشخص در پلاسمای خون انسان قرار داده شد و خواص مکانیکی آنها مورد ارزیابی قرار گرفت. بررسی�های فازی با استفاده از پراش اشعه X و مطالعات ریزساختاری نیز با استفاده از میکروسکوپ الکترونی روبشی (SEM) انجام گردید. نتایج نشان داد افزودن نانو ذرات تیتانیا تاثیر مثبتی در استحکام فشاری اولیه سیمان داشته است. استحکام فشاری اولیه سیمان قبل از قرارگرفتن در محیط پلاسمای خون MPa 12/3 بود که با افزودن %10 نانو ذرات تیتانیا به �MPa54/5 افزایش یافت. بعد از قرار گرفتن نمونه�ها در پلاسمای خون نیز استحکام فشاری روند افزایشی را نشان داده است. آنالیز پرتوهای اشعه ایکس نشان داد، افزودن نانو ذرات تیتانیا هیچ گونه تاثیر بازدارنده�ای در تشکیل فاز هیدروکسی آپاتیت نداشته است.

10.30501/jamt.2634.70173

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Effect of Y2O3 and Er2O3 co-dopants on phase stabilization of bismuth oxide

Ceramics International (2011)

Sepideh Arasteh Amir Maghsoudipour Masoud Alizadeh Ali Nemati

Tetragonal crystal system

Bismuth

Lattice constant

10.1016/j.ceramint.2011.04.136

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Citations (44)

EFFECT OF pH ON THE ELECTRODEPOSITION OF Cu(In, Al)Se₂ FROM AQUEOUS SOLUTION IN PRESENCE OF CITRIC ACID AS COMPLEXING AGENT

Surface Review and Letters (2015)

Yadolah Ganjkhanlou Touradj Ebadzadeh Mahmood Kazemzad Amir Maghsoudipour Mansoor Kianpour-Rad

Effect of pH on the one-step electrodeposition of Cu ( In , Al ) Se 2 chalcopyrite layer in the presence of citric acid has been investigated by applying different electrochemical and characterization techniques. It has been observed that at pH of 1.5, nanocrystalline phase of chalcopyrite and small amount of binary phase of Cu 2 Se with overall composition of Cu 0.91 In 0.32 Al 0.39 Se 2 have been deposited. On the other hand, at pH of 4, the film composition changed to Cu 1.9 In 0.05 Al 0.21 Se 2 and an additional binary phase of copper selenide ( CuSe ) has also been formed. Morphological investigation illustrated that smooth and compact layer with fine spherical particles having the size of ~20 nm has been obtained at pH of 1.5 whereas mixture of planar and spherical particles with size of 450–550 nm have been formed at pH of 4. In alkaline environment (pH~9), the deposition current has been noticeably decreased and no deposition occurred due to the formation of a stable complex of citric acid with metal ions. The mechanism of citric acid interaction with metal ions at different pH has also been studied by cyclic voltammetry measurement.

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Nanocrystalline material

Deposition

10.1142/s0218625x15500572

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Comparison of Thermal Expansion Coefficient in Ln 0.6 Sr 0.4 Co 0.2 M 0.8 O 3 − δ (Ln= La,Nd,Sm and M=Fe,Ni,Mn) as Cathode Materials for Solid Oxide Fuel Cell

Fatemeh Heydari Amir Maghsoudipour Mehdi Alizadeh Z. Khakpour Masoumeh Javaheri

Thermal expansion coefficient Perovskite oxide lattice parameter A B S T R A C T In this study, Thermal expansion coefficient variation of Ln 0.6 Sr 0.4 Co 0.2 M 0.8 O 3 − δ (Ln=La,Nd,Sm and M= Fe,Ni,Mn) perovskite oxide were evalouated. Different compounds were prepared and thermal expansion coefficient were meseaured in different temperature by means of dilatomete r analysis. Structural parameters of compounds were determined by X - ray diffraction and Field Emission Scanning Electron Microscopy (FE - SEM) was used for the morphological study. Using Nd 3+ instead of La 3+ led to tilting of the BO 6 octahedra, phase tran sition from rhombohedral to the orthorhombic. Experimental results showed TEC decreases favorably with substitution of Nd 3+ and Mn 3+ ions in the lattice .

Orthorhombic crystal system

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Sintering Behavior of Porous Nanostructured Sr-Doped Lanthanum Manganite as SOFC Cathode Material

International journal of nanoscience and nanotechnology (2013)

Houman Tamaddon Amir Maghsoudipour

The fuel cells are distinguished as generating of green allocable energy and are electrochemical devices of low environmental impact. Porous nanocrystalline strontium-doped lanthanum manganite La 0.8 Sr 0.2 MnO 3 (LSM) cathode materials were prepared by mechanochemical route in various grinding times. Carbon black was employed to produce pores. The formation of LSM single phase was studied by X-ray diffraction patterns. Porosity and density amounts were measured by means of Archimedes method, furthermore, contraction of sintered samples was comparably evaluated. Scanning electron microscopy (SEM) images were used for morphological study. It is shown that the open and total porosity generally decrease with sintering temperature, however the milling time increase these factors. Relying on open porosity amount and distribution, relative density and microstructural scrutiny the proper sintering temperature was determined. The microstructural investigation indicates that the grains grow as the sintering temperature increases

Lanthanum manganite

Nanocrystalline material

Lanthanum

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Electrochemical preparation of hematite nanostructured films for solar hydrogen production

EPJ Web of Conferences (2012)

Nafise Kazemi Amir Maghsoudipour Touradj Ebadzadeh

Photoelectrochemical water splitting is a clean and promising technique for using a renewable source of energy, i.e., solar energy, to produce hydrogen. In this work electrochemical formation of iron oxyhydroxide and its conversion to hematite (α- Fe2O3) through thermal treatment have been studied. Oxyhydroxide iron compounds have been prepared onto SnO2/F covered glass substrate by potential cycling with two different potential sweep rate values; then calcined at 520 °C in air to obtain α-Fe2O3 nanostrutured films for their implementation as photoanode in a photoelectrochemical cell. X-ray diffraction analysis allowed finding that iron oxides films have nanocrystalline character. Scanning electron microscopy revealed that films have nanostructured morphology. The obtained results are discussed considering the influence of potential sweep rate employed during the preparation of iron oxyhydroxide film on optical, structural and morphological properties of hematite nanostructured films. Results show that films have acceptable characteristics as photoanode in a photoelectrochemical cell for hydrogen generation from water.

Nanocrystalline material

Photoelectrochemical cell

10.1051/epjconf/20123302007

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Reaction sintering of AlN–AlON composites

Journal of the European Ceramic Society (2004)

Amir Maghsoudipour M.A. Bahrevar J. Heinrich Fathollah Moztarzadeh

Relative density

Shrinkage

Atmospheric temperature range

10.1016/j.jeurceramsoc.2004.04.018