Thermal diffusivity of lead iodide

Silva, T. S.; Alves, Álvaro Santos; Pepe, I. M.; Tsuzuki, H.; Nakamura, O.; Neto, M. M. F. D'Aguiar; Silva, A. Ferreira da; Veissid, Nelson; An, Chao

doi:10.1063/1.367492

Cited by 30 publications

(23 citation statements)

References 17 publications

(29 reference statements)

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“…Materials of low density are in most cases characterized by large specific heats. Whittington et al [16] acknowledges that even the thermal evolution of planetary crust and lithosphere is largely governed by thermophysical properties, namely; thermal conductivity, diffusively, density and specific heat capacity [17]. This is in support of the report of [18], [19], [20], [21] add thermal linear expansion to the parameters earlier named as thermophysical properties.…”

Section: Thermo Physical Propertiessupporting

confidence: 68%

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Investigation of thermophysical properties of alates (swarmers) termite wing as potential raw material for insulation

Etuk

Agbasi

Abdulrazzaq³

et al. 2017

Int. J. Sci. World

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Thermo physical properties of Alates (Swarmers) termite wing has been investigated. The result of our investigation shows the values of thermo physical parameters of the sample materials as 0.0403Wm-1K-1 being the mean thermal conductivity value, bulk density of 188. 8kgm-3 and thermal diffusively value being 8.2485 x 10-8m2s-1. The values are within the values for commonly used insulating materials. Comparing the rate of cooling as well as heat absorption into the material as lagging material with the performance of fiberglass and cork, Alate's wing is adjudged to be a potential insulating raw material.

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Section: Thermo Physical Propertiessupporting

confidence: 68%

“…Silva et al [17] likening thermal diffusivity to optical band energy, see it as necessary physical parameter to be considered in modeling and manufacturing devices. They express the relationship between thermal conductivity and thermal diffusivity mathematically thus,…”

Section: Thermal Diffusivitymentioning

confidence: 99%

Investigation of thermophysical properties of alates (swarmers) termite wing as potential raw material for insulation

Etuk

Agbasi

Abdulrazzaq³

et al. 2017

Int. J. Sci. World

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“…47 The thermal diffusivities have values one order of magnitude higher than some semiconductors and porous silicon. [53][54][55] The overall behavior of the thermal parameters seems to reflect the change in the sample structure. It is well known that an amorphous phase is characterized by a slight thermal diffusivity.…”

Section: Thermal Propertiesmentioning

confidence: 99%

Isomorphic series of double sulfites of the Cu2SO3.MSO3.2H2O (M = Cu, Fe, Mn, and Cd) Type: a review

Silva¹,

Andrade²

2004

J. Braz. Chem. Soc.

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Embora o primeiro sulfito duplo de valência mista, Cu 2 SO 3 .CuSO 3 .2H 2 O, tenha sido preparado no início do século XIX por M. Chevreul, o interesse por compostos dessa natureza ressurgiu só depois da metade do século XX com a determinação da estrutura cristalina deste composto e a caracterização de seu espectro de absorção na região do infravermelho. Nos últimos anos, os estudos referentes a este tema têm se intensificado, especialmente após a descoberta da possibilidade de substituição isomórfica do Cu(II) no sal de Chevreul por diversos cátions com o mesmo estado de oxidação, gerando uma série de compostos cujas propriedades são fortemente dependentes da natureza do cátion M(II). Devido às suas propriedades interessantes, esses sistemas de valência mista podem ser usados como modelos para identificar intermediários em processos de corrosão atmosférica, bem como para avaliar o papel de metais de transição como catalisadores de autooxidação de S(IV) na conversão do SO 2 na atmosfera.Although the first mixed valence double sulfite, Cu 2 SO 3 .CuSO 3 .2H 2 O, was prepared in the early 19 th century by M. Chevreul, interest in this type of compound was only rekindled in the mid-1960s, when the crystalline structure of Chevreul's salt was determined and its infrared spectrum characterized. Studies of this type of compound have been intensified in recent years, especially after the discovery that the isomorphic Cu(II) in Chrevreul's salt could be replaced by a divalent metal ion, forming an isomorphic series whose properties are strongly dependent on the nature of the M(II) cation. Because of their interesting properties, these mixed valence systems can be used as models to identify intermediates in atmospheric corrosion processes, and to evaluate the role of transition metals as catalysts of S(IV) autoxidation in the conversion of SO 2 in the atmosphere.

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“…Recently, its band-gap energy and thermal properties were determined by photoacoustic spectroscopy. 4,5 A single crystal of PbI 2 was grown by the Bridgman method with the c-axis oriented perpendicular to the growth axis. 4 The purpose of this work is to obtain the electronic structure of PbI 2 , its dielectric functions ⑀ 1 and ⑀ 2 by ellipsometry and theoretically by full-potential linear muffin-tinorbital ͑FPLMTO͒ method, 6 and the temperature dependence of the measured band-gap energy by optical absorption.…”

Section: Introductionmentioning

confidence: 99%

Electronic and optical properties of lead iodide

Ahuja

Arwin

Silva

et al. 2002

Journal of Applied Physics

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102

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The electronic properties and the optical absorption of lead iodide (PbI 2 ) have been investigated experimentally by means of optical absorption and spectroscopic ellipsometry, and theoretically by a full-potential linear muffin-tin-orbital method. PbI 2 has been recognized as a very promising detector material with a large technological applicability. Its band-gap energy as a function of temperature has also been measured by optical absorption. The temperature dependence has been fitted by two different relations, and a discussion of these fittings is given.

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Thermal diffusivity of lead iodide

Cited by 30 publications

References 17 publications

Investigation of thermophysical properties of alates (swarmers) termite wing as potential raw material for insulation

Investigation of thermophysical properties of alates (swarmers) termite wing as potential raw material for insulation

Isomorphic series of double sulfites of the Cu2SO3.MSO3.2H2O (M = Cu, Fe, Mn, and Cd) Type: a review

Electronic and optical properties of lead iodide

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