MINISTRY OF EDUCATION AND RESEARCH
CEEX-MATNANTECH
Module I: Complex Research & Development Projects
Nanosciences and Nanotechnologies, Materials and New Production Processes
Electronic phases and transport mechanisms in (Ln,Ln’)1-xAxMn1-yMyO3+d
(Ln, Ln’=
rare earth,
A=Sr, Ca, Ba, Pb, K; M=Cu, Cr,
Co, V, Sc)
Contract No. 84/2006
Activities:
Stage I
Stage II
Stage III
Stage IV
Stage V
Determination of the crystalline characteristics and magnetoresistive properties of the LL’AMnMO (M = Cr, V, Sc) thin solid films samples. Magnetization measurements,
Determination of the lattice constants, of the atoms position in the unit cell, of the Mn-O distances and of the Mn-O-Mn angles, of the tolerance factors,
Evaluation of the obtained XRD data by means FullProf, Rietrica, Dicvol, CeckCell programs,
Determination of the ratio of the extrinsic and intrinsic magnetoresistance contributions vs. chemical composition and oxidation degree of the studied samples,
Determination of the crystalline and electronic phase concentration for each studied samples,
Research concerning the achievement of some magnetoresistive sensors sensible to the variation of the magnetic field / temperature, achievement of the WEB site, of a CD-ROM, of a prospect and a catalog page for the used methods and the obtained materials..
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