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Featured researches published by Ioana Jitaru.


Ceramics International | 2000

Lanthanum chromites doped with divalent transition metals

Ioana Jitaru; Daniela Berger; Victor Fruth; Anca Novac; Nicolae Stanica; Florica Rusu

Abstract Heteropolynuclear complex compounds isolated in Cr 2 O 3 · x H 2 O–La(NO 3 ) 3 –M(NO 3 ) 2 –A–NH 3 , (A=CH 3 COO − ,C 2 O 4 2− ; M=Cu, Ni) systems were used as precursors for LaCr 1− x M x O 3 . The perovskite structure of doped lanthanum chromites was determined by XRD analysis. The unit cell volumes, specific surface areas and magnetic properties were investigated. The proposed methods offer new, simple, less expensive procedures for obtaining doped lanthanum chromites.


Journal of Materials Synthesis and Processing | 2001

Complex Precursors for Doped Lanthanum Chromite Synthesis

Daniela Berger; Ioana Jitaru; Nicolae Stanica; Raffaella Perego; J. Schoonman

Doped lanthanum chromites are investigated as ceramic interconnect materials to be used in high-temperature solid oxide fuel cells (SOFCs). This paper deals with the preparation of LaCr1−xMxO3 (M = Ni, Cu, x = 0 − 0.2) from complex precursors isolated in the La(NO3)3-Cr(NO3)3-M(NO3)2-urea system. The isolated complex precursors were characterized by atomic absorption spectrometry, electronic, and FT-IR spectra, as well as, by thermal analysis. Doped lanthanum chromites, LaCr1−xMxO3 (M = Ni, Cu) were prepared by calcining of corresponding urea-based precursors at 1000-1200°C for 2 h. Doped mixed-oxide samples were characterized by X-ray diffraction (XRD), Scanning electron-microscopy-energy-dispersive X-ray analysis (SEM-EDX), electrical conductivity, as well as magnetic measurements.


Materials Letters | 2004

Synthesis and characterisation of La1−xSrxCoO3 with large surface area

D. Berger; Victor Fruth; Ioana Jitaru; J. Schoonman


Revue Roumaine De Chimie | 2006

Ni(II) ternary complexes containing diimine and cysteine

Laura Bancu; Oana Carp; Nicolae Stanica; Ioana Jitaru


Materials Letters | 2004

Synthesis and characterisation of La 1- x Sr x CoO 3 with large surface area

Daniela Berger; Victor Fruth; Ioana Jitaru; J. Schoonman


Archive | 2005

Synthesis and Properties of Magnetic Nanoparticles with Potential Applications in Cancer Diagnostic

Jenica Neamtu; Ioana Jitaru; Teodora Malaeru; Gabriela Georgescu; Wilhelm Kappel; Viorel-Virgil Alecu


Revue Roumaine De Chimie | 2004

Alkaline-earth doped lanthanum chromites obtained from urea-based precursors

Daniela Berger; Ioana Jitaru


Key Engineering Materials | 1997

Heteropolynuclear Complex Compounds as Precursors of LaCrO3

Ioana Jitaru; C. Guran; Liliana Stoica; Daniela Berger; Ecaterina Andronescu; Victor Fruth; M. Danescu; A. Novac; M. Magureanu; T. Mosteanu


Revue Roumaine De Chimie | 2006

Synthesis and structural characterization of a new cadmium complex with cytosine

Laura Bancu; Polina Bourosh; Ioana Jitaru; Yurii A. Simonov; Janusz Lipkowski


Revue Roumaine De Chimie | 2004

Pure and doped lanthanum cobaltites obtained from maleate-based precursors

Daniela Berger; Victor Fruth; Ioana Jitaru

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J. Schoonman

Delft University of Technology

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C. Guran

Politehnica University of Bucharest

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C. Matei

University of Bucharest

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Ecaterina Andronescu

Politehnica University of Bucharest

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D. Berger

Delft University of Technology

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