Pressure-induced phase transition in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mtext>BaCrO</mml:mtext></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>

Huang, Tsung‐Wei; Shieh, Sean R.; Akhmetov, A. F.; Liu, Xi; Lin, Chih‐Ming; Lee, Jiann‐Shing

doi:10.1103/physrevb.81.214117

Cited by 34 publications

(52 citation statements)

References 23 publications

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“…(2) 355 (1) 36 (2) 57 (1) 6.0 (2) 4.5 (fixed) Green symbols correspond to experimental results reported in Ref. [9]. The shadowed region indicates the small discontinuity in lattice constants.…”

Section: Calculation Detailsmentioning

confidence: 89%

“…On the other hand, compounds adopting this type of structure have been of renewed interest regarding their high-pressure (HP) behaviour 6,[8][9][10][11] . 12 ] dodecahedra) 11 .…”

Section: Introductionmentioning

confidence: 99%

“…Thus, intrigued by the recent report of a high-pressure phase transition in the baritetype BaCrO 4 compound (mineral name: Hashemite) at about 10 GPa, where no structural determination could be done 9 , we have reinvestigated the high-pressure behaviour of barium chromate by means of angle-dispersive X-ray diffraction (ADXRD) measurements using He as pressure medium. The experiments allow identifying the orthorhombic post-barite phase previously found in BaSO 4 under compression.…”

Section: Introductionmentioning

confidence: 99%

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High-pressure transition to the post-barite phase in BaCrO4hashemite

et al. 2012

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A recent high-pressure study on barium chromate BaCrO 4 reported a phase transition but the structure of the high-pressure phase structure could not be identified.This high-pressure phase was suggested to have a monoclinic structure different from other high-pressure forms of ABO 4 -type compounds. In this work, we have carried out x-ray diffraction measurements up to 46 GPa using He as quasi-hydrostatic pressure medium and Density-Functional Theory calculations. Our studies allow us identifying the high-pressure phase as the P2 1 2 1 2 1 post-barite-type phase, recently reported for

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Section: Calculation Detailsmentioning

confidence: 89%

“…On the other hand, compounds adopting this type of structure have been of renewed interest regarding their high-pressure (HP) behaviour 6,[8][9][10][11] . 12 ] dodecahedra) 11 .…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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High-pressure transition to the post-barite phase in BaCrO4hashemite

et al. 2012

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“…43,44 In contrast, they are comparable with those reported for barite-type ABO 4 oxides. 45 This indicates that, in AgClO 4 and barite-type oxides, the restoring force acting on an atom displaced from its equilibrium position is smaller than in other ABO 4 oxides. This is consistent with the fact that both barite-type oxides and AgClO 4 are the most compressible compounds within the ABO 4 family.…”

Section: Lattice-dynamics Calculationsmentioning

confidence: 98%

Pressure-induced phase transitions in AgClO4

et al. 2011

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AgClO 4 has been studied under compression by x-ray diffraction and density functional theory calculations. Experimental evidence of a structural phase transition from the tetragonal structure of AgClO 4 to an orthorhombic barite-type structure has been found at 5.1 GPa. The transition is supported by total-energy calculations. In addition, a second transition to a monoclinic structure is theoretically proposed to take place beyond 17 GPa. The equation of state of the different phases is reported as well as the calculated Raman-active phonons and their pressure evolution. Finally, we provide a description of all the structures of AgClO 4 and discuss their relationships. The structures are also compared with those of AgCl in order to explain the structural sequence determined for AgClO 4 .

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“…17 No other peaks were observed in the XRD patterns and Raman spectra, indicating that SrCrO 4 has been successfully synthesized. Figure 3 shows the SEM images of the SrCrO 4 products prepared by two different methods.…”

Section: -12mentioning

confidence: 94%

Preparation of Ultralong SrCrO₄Nanowires by a Surfactant-Free Solvothermal Reaction

Lee¹,

Huh²

2013

Bulletin of the Korean Chemical Society

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Pressure-induced phase transition inBaCrO4

Cited by 34 publications

References 23 publications

High-pressure transition to the post-barite phase in BaCrO4hashemite

High-pressure transition to the post-barite phase in BaCrO4hashemite

Pressure-induced phase transitions in AgClO4

Preparation of Ultralong SrCrO₄Nanowires by a Surfactant-Free Solvothermal Reaction

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Pressure-induced phase transition inBaCrO4

Cited by 34 publications

References 23 publications

High-pressure transition to the post-barite phase in BaCrO4hashemite

High-pressure transition to the post-barite phase in BaCrO4hashemite

Pressure-induced phase transitions in AgClO4

Preparation of Ultralong SrCrO4Nanowires by a Surfactant-Free Solvothermal Reaction

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Product

Resources

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Preparation of Ultralong SrCrO₄Nanowires by a Surfactant-Free Solvothermal Reaction