Structural Phase Stability of Rare Earth Iron Garnet, Gd[sub 3]Fe[sub 5]O[sub 12] against pressure: in situ X-ray diffraction study

2011 ◽  
Author(s):  
Alka B. Garg ◽  
S. Chaudhury ◽  
S. C. Parida ◽  
V. Vijayakumar ◽  
Alka B. Garg ◽  
...  
Keyword(s):  
Rare Earth ◽  
Diffraction Study ◽  
Phase Stability ◽  
Structural Phase ◽  
X Ray Diffraction ◽  
X Ray ◽  
Iron Garnet

Pressure-induced phase transition in hydrogen-bonded molecular crystal acetamide: combined Raman scattering and X-ray diffraction study

RSC Advances ◽  
2015 ◽  
Vol 5 (103) ◽  
pp. 84703-84710 ◽  
Author(s):  
Lei Kang ◽  
Kai Wang ◽  
Shourui Li ◽  
Xiaodong Li ◽  
Bo Zou
Keyword(s):  
Phase Transition ◽  
Phase Transitions ◽  
Raman Scattering ◽  
Diffraction Study ◽  
Molecular Crystal ◽  
Structural Phase ◽  
Structural Phase Transitions ◽  
X Ray Diffraction ◽  
X Ray

Two structural phase transitions are observed at ∼0.9 and ∼3.2 GPa in acetamide using in situ synchrotron X-ray diffraction (XRD) and Raman scattering techniques.

Temperature-induced structural phase transitions in RERhSn (RE = Y, Gd-Tm, Lu)

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Simon Engelbert ◽  
Rolf-Dieter Hoffmann ◽  
Jutta Kösters ◽  
Steffen Klenner ◽  
Rainer Pöttgen
Keyword(s):  
Rare Earth ◽  
Phase Transitions ◽  
Driving Force ◽  
Room Temperature ◽  
Structural Phase ◽  
Structural Phase Transitions ◽  
Line Broadening ◽  
X Ray Diffraction ◽  
Temperature Dependent ◽  
X Ray

Abstract The structures of the equiatomic stannides RERhSn with the smaller rare earth elements Y, Gd-Tm and Lu were reinvestigated on the basis of temperature-dependent single crystal X-ray diffraction data. GdRhSn crystallizes with the aristotype ZrNiAl at 293 and 90 K. For RE = Y, Tb, Ho and Er the HP-CeRuSn type (approximant with space group R3m) is already formed at room temperature, while DyRhSn adopts the HP-CeRuSn type below 280 K. TmRhSn and LuRhSn show incommensurate modulated variants with superspace groups P31m(1/3; 1/3; γ) 000 (No. 157.1.23.1) (γ = 3/8 for TmRhSn and γ = 2/5 for LuRhSn). The driving force for superstructure formation (modulation) is a strengthening of Rh–Sn bonding. The modulation is expressed in a 119Sn Mössbauer spectrum of DyRhSn at 78 K through line broadening.

In situ time resolved wide angle X-ray diffraction study of nanotube carpet growth: Nature of catalyst particles and progressive nanotube alignment

Carbon ◽  
2015 ◽  
Vol 87 ◽  
pp. 246-256 ◽  
Author(s):  
Périne Landois ◽  
Mathieu Pinault ◽  
Stéphan Rouzière ◽  
Dominique Porterat ◽  
Cristian Mocuta ◽  
...  
Keyword(s):  
Diffraction Study ◽  
Wide Angle ◽  
X Ray Diffraction ◽  
Time Resolved ◽  
X Ray

Structural evolution of NASICON-type Li1+xAlxGe2−x(PO4)3 using in situ synchrotron X-ray powder diffraction

2016 ◽  
Vol 4 (20) ◽  
pp. 7718-7726 ◽  
Author(s):  
Dorsasadat Safanama ◽  
Neeraj Sharma ◽  
Rayavarapu Prasada Rao ◽  
Helen E. A. Brand ◽  
Stefan Adams
Keyword(s):  
Solid Electrolyte ◽  
Diffraction Study ◽  
Powder Diffraction ◽  
Structural Evolution ◽  
X Ray Diffraction ◽  
X Ray ◽  
Nasicon Type ◽  
Precursor Glass

In situ synchrotron X-ray diffraction study of the synthesis of solid-electrolyte Li1+xAlxGe2−x(PO4)3 (LAGP) from the precursor glass reveals that an initially crystallized dopant poor phase transforms into the Al-doped LAGP at 800 °C.

In situ X-ray diffraction study of chrysotile at high P–T conditions: transformation to the 3.65 Å phase

2021 ◽  
Vol 48 (10) ◽  
Author(s):  
Sergey V. Goryainov ◽  
John S. Tse ◽  
Serge Desgreniers ◽  
Saori I. Kawaguchi ◽  
Yuanming Pan ◽  
...  
Keyword(s):  
Diffraction Study ◽  
X Ray Diffraction ◽  
X Ray

Reaction pathways of iron-sulfide mineral formation: an in situ X-ray diffraction study

2018 ◽  
Vol 30 (1) ◽  
pp. 77-84 ◽  
Author(s):  
Min-Yu Lin ◽  
Yen-Hua Chen ◽  
Jey-Jau Lee ◽  
Hwo-Shuenn Sheu
Keyword(s):  
Diffraction Study ◽  
Iron Sulfide ◽  
Sulfide Mineral ◽  
Reaction Pathways ◽  
Mineral Formation ◽  
X Ray Diffraction ◽  
X Ray
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