The electrical resistivity and thermal infrared properties of La1−xSrxMnO3 compounds

Tang, Genchu; Yu, Yun; Chen, Wei; Cao, Yunzhen

doi:10.1016/j.jallcom.2007.07.021

Cited by 48 publications

(25 citation statements)

References 20 publications

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“…Important members are the La 1Àx SrMnO 3 and La 1Àx SrCO 3 perovskites, which exhibit temperature and magnetic field dependent conductivity (the latter arising from the mixed +3/+4 valence of the Mn or Co cations). 141,142 There are also members of the class that are known to be excellent electron conductors, and doped ASnO 3 (A = Ca, Sr, Ba) have been also proposed as candidate transparent conductors 139 (for example La-doped BaSnO 3 ). 143 Future studies in this direction might uncover plasmonic properties too.…”

Section: Discussionmentioning

confidence: 99%

New materials for tunable plasmonic colloidal nanocrystals

2014

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We present a review on the emerging materials for novel plasmonic colloidal nanocrystals. We start by explaining the basic processes involved in surface plasmon resonances in nanoparticles and then discuss the classes of nanocrystals that to date are particularly promising for tunable plasmonics: nonstoichiometric copper chalcogenides, extrinsically doped metal oxides, oxygen-deficient metal oxides and conductive metal oxides. We additionally introduce other emerging types of plasmonic nanocrystals and finally we give an outlook on nanocrystals of materials that could potentially display interesting plasmonic properties.

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Section: Discussionmentioning

confidence: 99%

New materials for tunable plasmonic colloidal nanocrystals

2014

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“…Strontium-doped lanthanum manganite perovskite oxides (La 1-x Sr x MnO 3±δ , LSM) have been widely studied in recent years due to their interesting applications in solid oxide fuel cells (SOFC), oxi-reduction catalysts (automotive catalysis), sensors and memories [1][2][3][4][5][6] . These latter applications are due to the outstanding magnetotransport properties of these oxides [7][8][9] .…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of La1-xSr xMnO3±δ powders obtained by the polymeric precursor route

et al. 2011

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Polycrystalline strontium-doped lanthanum manganite (LSM) powders with 0.15, 0.22, and 0.30 mol % Sr were synthesized by the polymeric precursor route using a molar ratio of 3:1 citric acid and metal cations. The powders were characterized by Fourier transform infrared spectroscopy, thermal analysis, high-temperature X-ray diffraction to determine the crystalline perovskite phase and crystallite sizes, scanning electron microscopy for the morphological analysis, nitrogen adsorption to determine the specific surface area, and laser scattering to evaluate the particle size distribution. The LSM perovskite-type oxides containing intermediate 0.22 mol % Sr were found to exhibit a tendency to decrease in crystallite size and increase in specific surface area and, when calcined at 700-900 °C exhibited a pure phase of perovskite, had a crystallite size of about 17-20 nm and a specific surface area for 900 °C of 34.3 m 2 .g -1.

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“…Therefore, adjustment of the radiative properties can be realized by modifying material properties and/or constructing periodic structures. The thermochromic materials [1][2][3] and subwavelength structured surfaces [4][5][6][7][8][9][10][11][12] are two examples. Because of the relative difficulty of changing the material properties, the approach of changing the structural features to adjust the radiative characteristics has attracted a growing number of investigations.…”

Section: Introductionmentioning

confidence: 99%

Investigation on Spectral Properties of Metal–Insulator–Metal Film Stack with Rectangular Hole Arrays

2011

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Spectral properties of metal-insulator-metal hole arrays consisting of a dielectric core layer sandwiched between two metallic layers drilled in rectangular hole arrays are investigated using the finite-difference time-domain method in the visible and near-infrared regions. The influences of the thickness and refractive index of the dielectric core layer as well as the thickness of the metallic layer on the spectral absorptance and transmittance are numerically studied. It is found that strong spectral absorption can be excited by the internal-and external-surface plasmon polaritons (SPPs). For some specific structure parameters, the metal-insulator-metal hole arrays show strong absorptance of the incident wave of about 95 % if the internal-and external-SPPs are simultaneously excited.

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The electrical resistivity and thermal infrared properties of La1−xSrxMnO3 compounds

Cited by 48 publications

References 20 publications

New materials for tunable plasmonic colloidal nanocrystals

New materials for tunable plasmonic colloidal nanocrystals

Synthesis and characterization of La1-xSr xMnO3±δ powders obtained by the polymeric precursor route

Investigation on Spectral Properties of Metal–Insulator–Metal Film Stack with Rectangular Hole Arrays

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