Local Structure and Magnetism of Fe2O3 Maghemite Nanocrystals: The Role of Crystal Dimension

M Coduri, P Masala, L Del Bianco, F Spizzo, D Ceresoli… - Nanomaterials, 2020 - mdpi.com
Here we report on the impact of reducing the crystalline size on the structural and magnetic
properties of γ-Fe2O3 maghemite nanoparticles. A set of polycrystalline specimens with …

Second generation nitrogen doped titania nanoparticles: a comprehensive electronic and microstructural picture

F Spadavecchia, M Ceotto, LL Presti… - Chinese Journal of …, 2014 - Wiley Online Library
A state‐of‐the‐art overview of N‐dopant characterizations in nano‐TiO2 second‐generation
photocatalysts is provided. The related literature is very rich and sometimes offers …

[HTML][HTML] Percolating hierarchical defect structures drive phase transformation in Ce1− xGdxO2− x/2: a total scattering study

M Scavini, M Coduri, M Allieta, P Masala, S Cappelli… - IUCrJ, 2015 - scripts.iucr.org
A new hierarchical approach is presented for elucidating the structural disorder in Ce1−
xGdxO2− x/2 solid solutions on different scale lengths. The primary goal of this investigation …

Role of the Nitrogen Source in Determining Structure and Morphology of N-Doped Nanocrystalline TiO2

L Lo Presti, M Ceotto, F Spadavecchia… - The Journal of …, 2014 - ACS Publications
The photocatalytic activity of N-doped nanostructured TiO2 (TiO2: N) in the visible region
strongly depends on the close, yet not fully understood, interplay among crystal structure …

Hydration, oxidation, and reduction of GdBaCo 2 O 5.5 from first-principles

E Coulaud, G Dezanneau, G Geneste - Journal of Materials Chemistry …, 2015 - pubs.rsc.org
Structural, magnetic and chemical properties of GdBaCo2O5. 5 regarding hydration,
oxidation and reduction are studied by density-functional calculations in the DFT+ U …

Rationalizing the lacking of inversion symmetry in a noncentrosymmetric polar racemate: An experimental and theoretical study

L Lo Presti, M Sist, L Loconte, A Pinto… - Crystal growth & …, 2014 - ACS Publications
The total charge density of PYRAC, a polar (Pca 21) organic racemate with Z′= 2, was
derived from high-resolution single-crystal X-ray diffraction data at T= 100 (2) K and periodic …

Structural Evolution of GdBaCo2O5+δ (δ = 7/18) at Elevated Temperatures

N Ishizawa, T Asaka, T Kudo, K Fukuda… - Chemistry of …, 2014 - ACS Publications
The structural chemistry of the double-layered perovskite-type gadolinium barium cobaltate,
GdBaCo2O5+ δ (0< δ< 1/2), is not well-known, in comparison to the representative end …

[PDF][PDF] Structural and Electrical Properties of Ca2+ Doped LaFeO3: The Effect of A-site Cation Size Mismatch.

AE Irmak - Engineering, Technology & Applied Science …, 2020 - pdfs.semanticscholar.org
In this study, nanosized La1-xCaxFeO3 (0.00≤ x≤ 0.40) compounds prepared via sol-gel
method followed by heat treatment at 1100oC for 24 hours are studied. Crystal structure …

Interplay of structural and magnetic nanoscale phase separation in layered cobaltites

M Allieta, M Scavini, A Naldoni, M Coduri, S Cappelli… - Physical Review B, 2015 - APS
We report on the structural, electronic, and magnetic phases of a previously unexplored
region in the phase diagram of GdBaC o 2 O 5+ δ (δ= 0.57 and 0.63). Despite a …

Effect of Sr doping on structural and magnetic behavior of SmBa1− xSrxCo2O5+ δ (x= 0 and 1)

A Kumari, C Dhanasekhar, AK Das - Physica B: Condensed Matter, 2018 - Elsevier
Layered double perovskite, SmBa 1− x Sr x Co 2 O 5+ δ (x= 0, δ= 0.5 and x= 1, δ= 1)
samples were prepared by solid state reaction method. X-ray diffraction studies show that …