K. Satyanarayana Murthy

Osmania University

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P. Kistaiah

Osmania University

K. V. Krishna Rao

Indian Institute of Technology Bombay

B. Appa Rao

Osmania University

Pratibha Rao

College of Medicine & Sagore Dutta Hospital

Naidu V. Seetala

Grambling State University

S. V. Suryanarayana

Bhabha Atomic Research Centre

C. Vishnuvardhan Reddy

Osmania University

Leela Iyengar

Jain University

C. V. Reddy

Osmania University

V. Bhaskara Sastry

Osmania University

Cooperative Institutions

Osmania University

University of Hyderabad

Vignan's Foundation for Science, Technology & Research

Indian Institute of Management Visakhapatnam

University of Wisconsin–Madison

W.E. Upjohn Institute for Employment Research

Indian Institute of Technology Kanpur

Indian Council of Medical Research

Koneru Lakshmaiah Education Foundation

Indian Institute of Technology Indore

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Anomalous Thermal Expansion of Some Chalcopyrite Type Semiconductor Compounds

Springer eBooks (1984)

K. Satyanarayana Murthy P. Kistaiah Y. C. Venudhar Leela Iyengar K. V. Krishna Rao

10.1007/978-1-4899-5004-8_16

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Citations (0)

X-ray studies on the thermal expansion of PrAl₂and NdAl₂

Journal of Physics D Applied Physics (1987)

B. Appa Rao K. Satyanarayana Murthy P. Kistaiah

The lattice parameters of the MgCu2-type rare-earth intermetallics PrAl2 and NdAl2 have been measured from room temperature to 943 K using a Unicam 19-cm high-temperature powder camera. The data have been used to evaluate the coefficients of thermal expansion at various temperatures. It was found that the lattice parameter increases while the coefficient of thermal expansion decreases with increasing temperature in both compounds. An attempt is made to explain this behaviour in terms of crystal-field effects present in these compounds.

Lattice (music)

Lattice constant

10.1088/0022-3727/20/8/017

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Citations (4)

High temperature thermal expansion characteristics of Ni3Al alloys

Journal of Alloys and Compounds (1993)

Pratibha Rao K. Satyanarayana Murthy S. V. Suryanarayana Naidu V. Seetala

Dilatometer

Atmospheric temperature range

Temperature coefficient

Stoichiometry

10.1016/0925-8388(93)90385-z

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Citations (13)

Anomalous thermal expansion of europium vanadate

Journal of the Less Common Metals (1983)

N.Raja Shekhar Reddy K. Satyanarayana Murthy

Tetragonal crystal system

Atmospheric temperature range

Vanadate

Negative Thermal Expansion

10.1016/0022-5088(83)90130-3

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Citations (4)

Prioritization of micro watersheds based on soil erosion hazard using remote sensing and geospatial technologies

AIP conference proceedings (2023)

K. Satyanarayana Murthy Durga Chaitanya Kumar Jaragapu Sanjeet Kumar Syed Hamim Jeelani

Prioritization

10.1063/5.0144435

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Citations (2)

X-ray determination of Debye temperatures of some rare earth dialuminides

Journal of the Less Common Metals (1988)

B. Appa Rao V. Bhaskara Sastry P. Kistaiah K. Satyanarayana Murthy

Debye model

Debye

Debye function

Debye–Waller factor

Rare-earth element

Lattice vibration

Debye sheath

10.1016/0022-5088(88)90005-7

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Citations (5)

Anisotropic thermal expansivity of the chalcopyrite AgInTe₂

Journal of Physics D Applied Physics (1985)

P. Kistaiah K. Satyanarayana Murthy

Accurate lattice parameters of the tetragonal chalcopyrite semiconductor silver indium telluride (AgInTe2) have been measured by the X-ray powder diffraction method in the temperature range from 300 to 667K. The data have been used to evaluate the axial thermal expansion coefficients alpha a and alpha c at various temperatures. The thermal expansion studies revealed anisotropy between the axial thermal expansion coefficients, with a larger coefficient of expansion along the a-axis than along the c-axis. The principal axial thermal expansion coefficients alpha a and alpha c increase linearly with temperature, gradually approaching 15.40*10-6K-1 for the a and 1.54*10-6K-1 for the c-axis from values at 300K of 9.49*10-6K-1 and 0.69*10-6K-1, respectively. These results are discussed in terms of the thermal expansion of the two types of bonds (Ag-Te and In-Te) and the principal Gruneisen parameters of the chalcopyrite structure of AgInTe2. The temperature dependence of axial ratio (c/a) has been examined.

10.1088/0022-3727/18/5/010

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Citations (11)

High-temperature thermal expansion study of cadmium stannidiphosphide by an X-ray method

Journal of Physics D Applied Physics (1982)

N A Reddy P. Kistaiah K. Satyanarayana Murthy

The lattice parameters of the compound cadmium stanni-diphosphide (CdSnP2) have been determined at different temperatures in the range 28 to 536 degrees C. From these data, the thermal expansion and the tetragonal distortion have been evaluated at various temperatures. The linear thermal expansion coefficients along the a and c axes are estimated to be alpha a=6.55*10-6 K-1 and alpha c=2.75*10-6 K-1 respectively and the axial ratio c/a, changes with a coefficient of -3.63*10-6 K-1. This study indicates the anisotropy between the axial expansion coefficients ( alpha a> alpha c) and an increase in the tetragonal distortion, 2-(c/a), with temperature. These results have been interpreted in terms of the thermal expansion of the Cd-P and Sn-P bonds of the CdSnP2 lattice.

Tetragonal crystal system

Atmospheric temperature range

Lattice (music)

Distortion (music)

10.1088/0022-3727/15/11/017

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Citations (4)

Acetylsalicylic acid hydrolysis in aqueous solutions of polysorbate 80

Journal of Pharmaceutical Sciences (1967)

K. Satyanarayana Murthy Edward G. Rippie

Micellar solutions

Degradation