Comprehensive analysis of crystal field parameter datasets for transition ions at low symmetry sites and extracting structural information—Application to Pr4+ in BaPrO3

Rudowicz, Czesław; Gnutek, Paweł

doi:10.1016/j.jallcom.2007.02.088

Cited by 15 publications

(22 citation statements)

References 25 publications

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“…recognized and discussed [45]. The number of applications of the standardization idea [6][7][8][9][10] has been growing since its comprehensive extensions appeared [20,21]; see the recent papers [22][23][24] and references therein.…”

Section: Table1mentioning

confidence: 99%

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Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

Kripal

Yadav

Gnutek

et al. 2009

Journal of Physics and Chemistry of Solids

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Section: Table1mentioning

confidence: 99%

“…Since the mid-1980 the standardization idea have also spread out into optical spectroscopy area and the number of pertinent applications for the orthorhombic CF parameters is growing steadily (for references, see, e.g., the recent papers [22,23,24]). …”

Section: Introductionmentioning

confidence: 99%

Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

Kripal

Yadav

Gnutek

et al. 2009

Journal of Physics and Chemistry of Solids

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“…Trivalent-lanthanide (Ln 3+ ) -doped BaPrO3 exhibits high proton conduction due to its strong basicity to favor proton incorporation as well as hole conduction by carrier between Pr 3+ and Pr 4+ upon carrier doping [1][2][3][4]. The proton and hole mixed conductor is expected for anode electrode of solid oxide fuel cell (SOFC), which operates at intermediate temperature region of 300 ~ 600 C [5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Structural and Electrical Properties of BaPrO<sub>3-<i>δ</i></sub> Thin Film with Oxygen Vacancies

Furuichi

Tsuchiya

Horiba

et al. 2017

Trans. Mat. Res. Soc. Japan

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The in-plane-oriented BaPrO3-δ thin film with mixed valence states has been prepared on an Al2O3 (0001) substrate by RF magnetron sputtering. The lattice constant decreases with increasing film thickness. The thin film has the mixed valence states of Pr 4+ and Pr 3+. The ~168 nm thickness film with small lattice constant exhibits high electrical conductivity and low activation energy of 0.58 eV at dry atmosphere. The wet-annealed thin film shows high proton conduction, which is required as electrolyte of solid oxide fuel cell, at 300 ~ 600 C.

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“…This is fruitful, for example, in the study of f-electron magnetism and crystal field effects. [6][7][8] Its high-temperature conduction properties have been studied in the area of solid-oxide fuel cells, as allegedly high proton conductivities for (Y,Yb,Gd)-doped BaPrO 3 were reported. 9 Later investigations concluded that these compositions dominatingly had p-type semiconductor characteristics, instead of protonic conduction.…”

Section: Introductionmentioning

confidence: 99%

The Band Gap of BaPrO₃ Studied by Optical and Electrical Methods

et al. 2015

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We report on measurements of the electrical and optical properties of BaPrO3. The temperature dependences of the electrical conductivity σ and the Seebeck coefficient α of polycrystalline samples were studied over a wide temperature range (300°C–1050°C). At lower temperatures, the observed charge transport can be described as thermally activated hopping of electron‐based small polarons with an activation energy of 0.37 eV. An observed change in temperature dependence of both σ and α around 700°C was observed and interpreted as a transition from extrinsic to intrinsic carrier transport. The intrinsic conduction can be modeled with an apparent electrical band gap of ~2 eV. Optical absorption and emission spectroscopy in the UV–VIS–NIR range revealed a series of characteristic absorption thresholds and the type of optical transitions was identified by combining transmittance and diffuse‐reflectance spectroscopy methods. An absorption edge of indirect type with onset at 0.6 eV is attributed to small polaron effects. The higher lying absorption thresholds of direct origin positioned at around 1.8 and 3.8 eV are correlated with thermal activation parameters from electrical measurements and discussed in terms of the band gap of BaPrO3.

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Comprehensive analysis of crystal field parameter datasets for transition ions at low symmetry sites and extracting structural information—Application to Pr4+ in BaPrO3

Cited by 15 publications

References 25 publications

Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

Structural and Electrical Properties of BaPrO<sub>3-<i>δ</i></sub> Thin Film with Oxygen Vacancies

The Band Gap of BaPrO₃ Studied by Optical and Electrical Methods

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Comprehensive analysis of crystal field parameter datasets for transition ions at low symmetry sites and extracting structural information—Application to Pr4+ in BaPrO3

Cited by 15 publications

References 25 publications

Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

Alternative zero-field splitting (ZFS) parameter sets and standardization for Mn2+ ions in various hosts exhibiting orthorhombic site symmetry

Structural and Electrical Properties of BaPrO<sub>3-<i>δ</i></sub> Thin Film with Oxygen Vacancies

The Band Gap of BaPrO3 Studied by Optical and Electrical Methods

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The Band Gap of BaPrO₃ Studied by Optical and Electrical Methods