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Number of items: 81.

Book Chapter

Rao, KSRK and Kumar, A and Gopal, ESR and Sangunni, KS and Asha, G (1998) Effect of bismuth doping in GeSe and GeSeTe glasses by photoluminescence spectroscopy. [Book Chapter]

Conference Proceedings

Naik, Ramakanta and Ganesan, R and Sangunni, KS (2015) Effect of laser irradiation on the optical properties of As40Sb15Se45 chalcogenide thin films. In: 6th International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA), JUL 27-AUG 01, 2014, Leeds, ENGLAND.

Khan, Pritam and Batik, AR and Vinod, EM and Sangunni, KS and Adarsh, KV (2015) Observation of photobleaching and intensity dependent kinetics in Ge22As22Se56 thin films under sub-bandgap light illumination. In: International Conference on Materials Science and Technology (ICMST), JUN 10-14, 2012, Kerala, INDIA.

Naik, Ramakanta and Vinod, EM and Parida, Sanjit and Ganesan, R and Sangunni, KS (2015) Photo induced effects on the optical properties of As20Sb20S60 thin films. In: International Conference on Materials Science and Technology (ICMST), JUN 10-14, 2012, Kerala, INDIA.

Naik, Ramakanta and Kumar, C and Ganesan, R and Sangunni, KS (2012) Effect of Thickness on The Optical Properties Change in Bi/As2S3 Bilayer Thin Films. In: 56th DAE-Solid State Physics Symposium (SSPS), DEC 19-23, 2011 , SRM Univ, Kattankulathur, INDIA, pp. 623-624.

Naik, Ramakanta and Parida, Sanjit K and Vinod, EM and Ganesan, R and Sangunni, KS (2012) Light Induced Optical Properties Change in Sb20S40Se40 Thin Films. In: International Workshop on Functional Materials (IWFM), DEC 20-22, 2011 , Natl Inst Sci Technol (NIST), Berhampur, INDIA, pp. 358-362.

Naik, Ramakanta and Kumar, C and Ganesan, R and Sangunni, KS (2012) Optical Properties Study of S40Se60-xSbx Bulk Alloys. In: 56th DAE-Solid State Physics Symposium (SSPS), DEC 19-23, 2011, SRM Univ, Kattankulathur, INDIA, pp. 545-546.

Conference Paper

Takats, Viktor and Vojnarovich, Ivan and Csarnovich, Ivan and Csik, Attila and Cheresnya, Volodimir and Shyplyak, Myroslav and Sangunni, KS (2009) Stimulated interdiffusion and optical recording in Sb/As2S3 nanomultilayers. In: International Symposium on Non-Oxide and New Optical Glasses, APR 20-25, 2008, Montpellier, France, pp. 1962-1965.

Naik, Ramakanta and Adarsh, KV and Ganesan, R and Sangunni, KS and Kokenyesi, S and Deshpande, Uday and Shripathi, T (2009) X-ray photoelectron spectroscopic studies on Se/As2S3 and Sb/As2S3 nanomultilayered film. In: International Symposium on Non-Oxide and New Optical Glasses, APR 20-25, 2008, Montpellier,France, pp. 1836-1839.

Naik, Ramakanta and Ganesan, R and Sangunni , KS (2009) Photo induced diffusion inSb/As2S3 multilayered thin film at low temperature. In: 54th Solid State Physics Symposium.

Naik, Ramakanta and Ganesan, R and Sangunni, KS (2009) Photo-indued effects in Sb/As2S3 Nano-multilayered Film. In: International Conference on Frontiers and Directions in Condenced Matter Physics, 2009.

Naik, Ramakanta and Ganesan, R and Sangunni, KS (2009) Photobleaching in nanomultilayered Sb/As2S3 films studied at room temperature by FTIR and X-ray photoelectron spectroscopic studies. In: 2nd International Conference on Physics at Surfaces and Interfaces, 2009.

Karunanithi, R and Venkateshan, M and Aruldasan, KT and Sangunni, KS and Jacob, Subhash (2007) Novel optical cooler with thermo electrically cooled radiation shields. In: Cryogenic engineering conference and international cryogenic materials conference Chattanooga U.S.A, July 2007.

Bhat, Asha N and Sangunni, KS and Rao, KSRK (2001) PL due to discrete gap levels in some chalcogenide glasses - a configurational coordinate diagram illustration. In: Luminescence and Luminescent Materials. Symposium, 17-19 April 2001, San Francisco, CA, USA, G3.4.1-G3.4.6.

Journal Article

Sharma, Rituraj and Khan, Pritam and Aneesh, J and Sangunni, KS and Csarnovics, I and Kokenyesi, S and Jain, H and Adarsh, V (2016) Strong exciton-localized plasmon coupling in a-Ge24Se76/AuNP heterostructure. In: APL MATERIALS, 4 (10).

Singh, Abhay Kumar and Kim, JunHo and Park, Jong Tae and Sangunni, KS (2015) Properties of the chalcogenide-carbon nano tubes and graphene composite materials. In: JOURNAL OF ALLOYS AND COMPOUNDS, 627 . pp. 468-475.

Vinod, EM and Ramesh, K and Sangunni, KS (2015) Structural transition and enhanced phase transition properties of Se doped Ge2Sb2Te5 alloys. In: SCIENTIFIC REPORTS, 5 .

Vinod, EM and Ramesh, K and Ganesan, R and Sangunni, KS (2014) Direct hexagonal transition of amorphous (Ge2Sb2Te5)(0.9)Se-0.1 thin films. In: APPLIED PHYSICS LETTERS, 104 (6).

Vinod, EM and Sangunni, KS (2014) The effect of Se doping on spectroscopic and electrical properties of GeTe. In: THIN SOLID FILMS, 550 . pp. 569-574.

Kumar, Rakesh Ranjan and Barik, AR and Vinod, EM and Bapna, Mukund and Sangunni, KS and Adarsh, KV (2013) Crossover from photodarkening to photobleaching in a-GexSe100-x thin films. In: Optics Letters, 38 (10). pp. 1682-1684.

Naik, Ramakanta and Ganesan, R and Sangunni, KS (2013) Optical properties change with the addition and diffusion of Bi to As2S3 in the Bi/As2S3 bilayer thin film. In: JOURNAL OF ALLOYS AND COMPOUNDS, 554 . pp. 293-298.

Vinod, EM and Naik, Ramakanta and Ganesan, R and Sangunni, KS (2012) Signatures of Ge2Sb2Te5 film at structural transitions. In: Journal of Non-Crystalline Solids, 358 (21). pp. 2927-2930.

Vinod, EM and Singh, AK and Ganesan, R and Sangunni, KS (2012) Effect of selenium addition on the GeTe phase change memory alloys. In: JOURNAL OF ALLOYS AND COMPOUNDS, 537 . pp. 127-132.

Naik, Ramakanta and Parida, Sanjit K and Kumar, C and Ganesan, R and Sangunni, KS (2012) Optical properties change in Sb40S40Se20 thin films by light-induced effect. In: Journal of Alloys and Compounds, 522 . pp. 172-177.

Khan, Pritam and Barik, AR. and Vinod, EM and Sangunni, KS and Jain, H and Adarsh, KV (2012) Coexistence of fast photodarkening and slow photobleaching in Ge19As21Se60 thin films. In: OPTICS EXPRESS, 20 (11). pp. 12416-12421.

Naik, Ramakanta and Jain, Arpitha and Ganesan, R and Sangunni, KS (2012) Compositional dependence optical properties study of As40Se60-xSbx thin films. In: THIN SOLID FILMS, 520 (7). pp. 2510-2513.

Naik, Ramakanta and Kumar, C and Ganesan, R and Sangunni, KS (2011) Effect of Te addition on the optical properties of As(2)S(3) thin film. In: Materials Chemistry and Physics, 130 (1-2). pp. 750-754.

Naik, Ramakanta and Adarsh, KV and Ganesan, R and Sangunni, KS (2011) Giant photoinduced optical bleaching at room and liquid helium temperatures in Sb/As(2)S(3) multilayered films. In: Optics Communications, 284 (22). pp. 5319-5322.

Sangunni, KS (2011) A Review of Photo-Induced Inter-Diffusion in Nano-Layered Chalcogenide Films. In: Journal of the Indian Institute of Science, 91 (2). pp. 295-302.

Naik, Ramakanta and Ganesan, R and Sangunni, KS (2011) Optical properties change in amorphous (As2S3)(0.87)Sb-0.13 thin films by photo and thermal induced process. In: Materials Chemistry and Physics, 125 (3). pp. 505-509.

Bhat, Asha N and Sangunni, KS and Rao, KSRK (2011) PL due to Discrete Gap Levels in Some Chalcogenide Glasses- A Configurational Coordinate Diagram Illustration. In: MRS Proceedings, 667 . G3.4.

Vinod, EM and Naik, Ramakanta and Faiyas, APA and Ganesan, R and Sangunni, KS (2010) Temperature dependent optical constants of amorphous Ge2Sb2Te5 thin films. In: Journal of Non-Crystalline Solids, 356 (41-42). pp. 2172-2174.

Naik, Ramakanta and Ganesan, R and Sangunni, KS (2010) Photo induced optical changes in Sb/As2S3 multilayered film and (As2S3)(0.93)Sb-0.07 film of equal thickness. In: Journal of Alloys and Compounds, 505 (1). pp. 249-254.

Naik, Ramakanta and Ganesan, R and Adarsh, KV and Sangunni, KS and Takats, V and Kokenyesi, S (2009) In situ pump probe optical absorption studies on Sb/As2S3 nanomultilayered film. In: Journal of Non-Crystalline Solids, 355 (37-42). pp. 1943-1946.

Naik, Ramakanta and Ganesan, R and Adarsh, KV and Sangunni, KS and Takats, V and Kokenyesi, S (2009) Light and heat induced interdiffusion in Sb/As2S3 nano-multilayered film. In: Journal of Non-Crystalline Solids, 355 (37-42). pp. 1939-1942.

Adarsh, KV and Naik, Ramakanta and Sangunni, KS and Kokenyesi, S and Jain, H and Miller, Alfred C (2008) Kinetics and chemical analysis of photoinduced interdiffusion in nanolayered $Se/As_2S_3$ films. In: Journal of Applied Physics, 104 (5). 053501-1-053501-7.

Adarsh, KV and Naik, Ramakanta and Sangunni, KS and Kokenyesi, S and Jain, H and Miller, Alfred C (2008) Kinetics and chemical analysis of photoinduced interdiffusion in nanolayered Se/As2S3 films. In: Journal of Applied Physics, 104 (5). 053501-1-053501-7.

Adarsh, KV and Sangunni, KS and Sandeep, Suchand CS and Philip, Reji and Kokenyesi, S and Takats, V (2007) Observation of three-photon absorption and saturation of two-photon absorption in amorphous nanolayered Se/As2S3 thin film structures. In: Journal of Applied Physics, 102 (2). 026102-1-026102-3.

Takats, V and Vojnarovich, I and Pinzenik, V and Mojzes, I and Kokenyesi, S and Sangunni, KS (2007) Stimulated changes in $Bi(Sb)/As_2S_3$ nanolayered structures. In: Journal of Physics and Chemistry of Solids, 68 (5-6). pp. 943-947.

Adarsh, KV and Sangunni, KS (2006) Photoinduced interdiffusion in nanolayered $Se/As{_2}S{_3}$ films: Optical and x-ray photoelectron spectroscopic studies. In: Journal Of Applied Physics, 99 (9). 094301-1-094301-6.

Adarsh, KV and Sangunni, KS and Kokenyesi, S and Ivan, I and Shipljak, M (2006) Luminescence in amorphous chalcogenide multilayers. In: Physics and Chemistry of Glasses - European Journal of Glass Science and Technology Part B, 47 (2). pp. 198-202.

Adarsh, KV and Sangunni, KS and Kokenyesi, S and Ivan, I and Shipljak, M (2005) Enhancement of photoluminescence intensity by photoinduced interdiffusion in nanolayered $a-Se / As_2S_3$ films. In: Journal of Applied Physics, 97 (4). 044314-1-044314-5.

Adarsh, KV and Sangunni, KS and Kokenyesi, S and Ivan, I and Shipljak, M (2005) Enhancement of photoluminescence intensity by photoinduced interdiffusion in nanolayered a-Se/As2S3 films. In: Journal of Applied Physics, 97 (4). 044314-1-044314-5.

Bhat, NA and Sangunni, KS and Kumar, A (2003) Mixed doping in $Ge_{10}Se_{90-x-}In_xBi_y$ glasses. In: Physics and Chemistry of Glasses, 44 (4). pp. 296-302.

Bhat, Asha N and Sangunni, KS and Rao, KSRK (2003) A Fourier-transform photoluminescence study of radiative recombination mechanism in chalcogenide glasses. In: Journal of Non-Crystalline Solids, 319 (1-2). pp. 192-199.

Ramesh, K and Rao, Ramesh N and Sangunni, KS and Gopal, ESR (2003) Electrical resistivity of Cu doped As–Se glasses at high pressure. In: Physica Status Solidi (b), 235 (2). pp. 536-541.

Bhat, Asha N and Sangunni, KS and Rao, KSRK (2001) The role of defects in carrier type reversal in bismuth doped Ge-Se glasses by photoluminescence spectroscopy. In: Journal of Optoelectronics and Advanced Materials, 3 (3). pp. 735-740.

Ganesan, R and Thangaraju, B and Sangunni, KS and Gopal, ESR (2001) CARRIER TYPE REVERSAL IN $Pb_{x}Ge_{42-x}Se_{58}$ AND $Pb_{20}Ge_{y}Se_{80-y}$ GLASSES EXHIBITED IN THERMAL DIFFUSIVITY MEASUREMENTS. In: Journal of Optoelectronics and Advanced Materials, 3 (2). pp. 467-472.

Thangaraju, B and Ganesan, R and Bhat, Asha N and Sangunni, KS and Gopal, ESR (2000) Determination of Thermal Diffusion Length in Bismuth Doped Chalcogenide Glasses, by Photoacoustic Technique. In: Journal of Optoelectronics and Advanced Materials, 2 (1). pp. 91-94.

Ramesh, K and Ashokan, S and Sangunni, KS and Gopal, ESR (2000) Glass formation in germanium telluride glasses containing metallic additives. In: Journal of the Physics and Chemistry of Solids, 61 (1). pp. 95-101.

Ramesh, K and Asokan, S and Sangunni, KS and Gopal, ESR (1999) Electrical switching in germanium telluride glasses doped with Cu and Ag. In: Applied Physics A: Materials Science & Processing, 69 (4). pp. 421-425.

Ramesh, K and Asokan, S and Sangunni, KS and Gopal, ESR (1999) Electrical resistivity behaviour of Ag-Ge-Te glasses under pressure at different temperatures: the influence of bonding and topological thresholds. In: Journal of Physics Condensed Matter, 11 (19). pp. 3897-3906.

Ganesan, R and Madhusoodanan, KN and Srinivasan, C and Sangunni, KS and Gopal, ESR (1999) Optical and Thermal Diffusivity Measurement of Ge-Se-Te Glasses by Photoacoustic Technique. In: Physica Status Solidi (b), 212 . pp. 223-228.

Ramesh, Kashi S and Asokan, S and Sangunni, KS and Gopal, ESR (1998) Effect of topological thresholds on thermal behaviour of germanium telluride glasses containing metallic additive. In: European Physical Journal B, 6 (2). pp. 207-212.

Ramesh Rao, N and Krishna, PSR and Basu, S and Dasannacharya, BA and Sangunni, KS and Gopal, ESR (1998) Structural correlations in GexSe1-x glasses - a neutron diffraction study. In: Journal of Non-Crystalline Solids, 240 (1-3). pp. 221-231.

Thangaraju, B and Ganesan, R and Sangunni, KS and Gopal, ESR (1998) Photoacoustic measurement of the thermal diffusivity of Bi added Ge-Se and Ge-Se-Te glasses. In: Solid State Communications, 108 (05). pp. 301-305.

Ramesh, K and Asokan, S and Sangunni, KS and Gopal, ESR (1996) Compositional dependence of high pressure resistivity behaviour of Cu-Ge-Te glasses. In: Physics and Chemistry of Glasses, 37 (5). 217- 220.

Rao, Ramesh N and Rabinal, MK and Sangunni, KS and Gopal, ESR (1996) Devitrified phases in CuAsSe glasses. In: Physica B, 225 (3-4). pp. 274-282.

Ramesh, K and Asokan, S and Sangunni, KS and Gopal, ESR (1996) Crystallization studies on $Cu_xGe_{15}Te_{85-x}$ glasses. In: Journal of Physics: Condensed Matter, 8 (16). pp. 2755-2762.

Rao, Ramesh N and Sangunni, KS and Gopal, ESR and Krishna, PSR and Chakravarthy, R and Dasannacharya, BA (1995) Neutron diffraction studies of $Ge_xSe_{1-x}$ glasses. In: Physica B:Condensed Matter, 213-21 . pp. 561-563.

Rabinal, MK and Sangunni, KS and Gopal, ESR (1995) Chemical Ordering In Ge20se80-Xinx Glasses. In: Journal Of Non-Crystalline Solids, 188 (1-2). pp. 98-106.

Dutta, PS and Sangunni, KS and Bhat, HL and Kumar, Vikram (1995) Electrical characterization of surface defects in GaSb created by hydrogen plasma. In: Applied Physics Letters, 66 (15). pp. 1986-1988.

Rabinal, MK and Sangunni, KS and Gopal, ESR and Subramanyam, SV (1995) Minimum fragility in $Ge_xSe_{80-x}Pb_{20}$ glasses. In: Physica B, 205 (3-4). pp. 403-407.

Dutta, PS and Sangunni, KS and Bhat, HL and Kumar, Vikram (1995) Optical and electrical properties of hydrogen-passivated gallium antimonide. In: Physical Review B: Condensed Matter, 51 (4). pp. 2153-2158.

Dutta, PS and Sangunni, KS and Bhat, HL (1994) Sulphur passivation of gallium antimonide surfaces. In: Applied Physics Letters, 65 (13). pp. 1695-1697.

Dutta, PS and Sangunni, KS and Bhat, HL and Kumar, Vikram (1994) Experimental determination of melt-solid interface shapes and actual growth rates of gallium antimonide grown by vertical Bridgman method. In: Journal of Crystal Growth, 141 (3-4). pp. 476-478.

Dutta, PS and Sangunni, KS and Bhat, HL and Kumar, Vikram (1994) Growth of gallium antimonide by vertical Bridgman technique with planar crystal-melt interface. In: Journal of Crystal Growth, 141 (1-2). pp. 44-50.

Rabinal, MK and Rao, Ramesh N and Sangunni, KS and Gopal, ESR (1994) Non-isothermal transformation of Pb-modified Ge-Se glasses. In: Philosophical Magazine B, 70 (1). pp. 89-99.

Rajan, K and Sangunni, KS and Ramakrishna, J (1993) Dual-DSP system for signal and image processing. In: Microprocessors and Microsystems, 17 (9). pp. 556-560.

Rabina, MK and Sangunni, KS and Gopal, ESR and Subramanyam, SV (1993) Heat capacity measurements on Ge20Se80−xBix glasses. In: Solid State Communications, 88 (3). pp. 251-254.

Shashikala, MN and Sangunni, KS and Bhat, HL (1991) Switching studies and the effect of irradiation on ferroelectric properties of TAAP and DTAAP. In: Ferroelectrics, 119 (1-4). pp. 123-135.

Sangunni, KS and Bhata, HL and Narayanan, PS (1989) Effect of √-irradiation on the structure and dynamics of domains in triglycine selenate. In: Ferroelectrics Letters Section, 10 (3). pp. 87-96.

Sangunni, KS and Bhat, HL and Narayanan, PS (1989) Effect of √-irradiation on the structure and dynamics of domains in triglycine selenate. In: Ferroelectrics Letters Section, 10 (3). pp. 87-96.

Sangunni, KS and Shashikala, MN and Bhat, HL and Narayanan, PS (1989) Polarization reversal studies in ferroelectric taap. In: Ferroelectrics, 94 (1). pp. 439-440.

Shashikala, MN and Sangunni, KS and Bhat, HL (1988) Ferroelectricity in DTAAP. In: Ferroelectrics Letters Section, 9 (1). pp. 19-25.

Sangunni, KS and Bhat, HL and Narayanan, PS (1987) Microprocessor-based transient analyser. In: Microprocessors and Microsystems, 11 (3). pp. 161-164.

Sangunni, KS and Ravi, R and Bhat, HL and Narayanan, PS (1986) Switching Process in Ferroelectric Triglycine Selenate. In: Japanese Journal of Applied Physics, 25 (3). 380 -382.

Ravi, R and Sangunni, KS and Narayanan, PS (1980) An apparatus for the study of switching characteristics in ferroelectrics. In: Journal of Physics E: Scientific Instruments, 13 (5). pp. 585-588.

Editorials/Short Communications

Sangunni, KS (2007) Proceedings of the 15th International Symposium on Non-Oxide Glasses and New Optical Glasses -Preface. In: Journal of Non-Crystalline Solids, 353 (13-15). VII-VIII.

Ganesan, R and Srinivasan, A and Madhusoodanan, KN and Sangunni, KS and Gopal, ESR (1995) Composition Dependence of the Glass Transition in Ge–Se–Te Glasses. In: Physica Status Solidi B, 190 (2). K23 -K26.

Rabinal, MK and Sangunni, KS and Subramanyam, SV and Gopal, ESR (1995) Specific heat measurements on Ge-Se-In glasses. In: Physics and Chemistry of Glasses, 31 (6). pp. 50-52.

This list was generated on Mon Sep 16 07:38:14 2019 IST.