Priya Mahadevan

Publication List Details

Period

1994 - 2009

Number

86

Co-Authors

kc claffy (2009)

Priya Mahadevan, Dmitri Krioukov, Xenofontas Dimitropoulos, Marina Fomenkov, Amin Vahdat, Bradley Huffaker

We calculate an extensive set of characteristics for Internet AS topologies extracted from the three data sources most frequently used by the research community: traceroutes, BGP, and WHOIS. We...

Can Nano Silicon Be Made Optically Active? (2009)

Cherian, Roby, Nandy, Ashis Kumar, Mahadevan, Priya, Sarma, DD

There has been a lot of effort to make Silicon optically active. In this work we examine two methods of generating nanocrystals of Silicon from bulk fragments. This approach of ours allows us to play...

Metal-insulator transition of naxwo3 studied by angle-resolved photoemission spectroscopy (2009)

Raj, Satyabrata, Sato, Takafumi, Souma, Seigo, Takahashi, Takashi, Sarma, DD, Mahadevan, Priya

The electronic structure of sodium tungsten bronzes NaxWO3 is investigated by high-resolution angle-resolved photoemission spectroscopy (ARPES). The ARPES spectra measured in both insulating and...

How small are building blocks of complex networks (2009)

Jamakovic, Almerima, Mahadevan, Priya, Vahdat, Amin, Boguna, Marian, Krioukov, Dmitri

Network motifs are small building blocks of complex networks, such as gene regulatory networks. The frequent appearance of a motif may be an indication of some network-specific utility for that...

Trends in Ferromagnetism in Mn doped dilute III-V alloys from a density functional perspective (2009)

Cherian, Roby, Mahadevan, Priya, Persson, Clas

Mn doping in dilute III-V alloys has been examined as a route to enhance ferromagnetic stability. Strong valence band bowing is expected at the dilute limit, implying a strong modification of the...

ABSTRACT Orbis: Rescaling Degree Correlations to Generate Annotated Internet Topologies (2009)

Priya Mahadevan, Bradley Huffaker, Calvin Hubble, Amin Vahdat, Dmitri Krioukov

Researchers involved in designing network services and protocols rely on results from simulation and emulation environments to evaluate correctness, performance and scalability. To better understand...

Abstract (2009)

Priya Mahadevan, Adolfo Rodriguez

The current state of the art in evaluating applications and communication protocols for ad hoc wireless networks involves either simulation or small-scale live deployment. While largerscale...

Strain driven magnetism in thin films of LaCoO3 (2009)

Gupta, Kapil, Mahadevan, Priya

The electronic structure of epitaxial films on LaCoO3(LCO) has been studied within first principle electronic structure calculations. A spin state transition is found to take place as a function of...

Three-dimensional band structure of highly metallic Na0.8WO3 by angle-resolved photoemission spectroscopy (2009)

Raj, Satyabrata, Chakraborty, Anirban, Choudhury, Debraj, Sato, Takafumi, Takahashi, Takashi, Mahadevan, Priya, ...

Three-dimensional electronic structure of highly metallic sodium tungsten bronze, Na0.8WO3, is investigated by high-resolution angle-resolved photoemission spectroscopy. The experimentally determined...

What drives the insulating state in ultrathin films of SrRuO3? (2008)

Mahadevan, Priya, Aryasetiawan, F., Janotti, A., Sasaki, T.

Using density functional calculations we investigate the microscopic mechanisms behind the insulating state of ultra thin films of SrRuO3 grown on SrTiO3. We find that a combination of electron...

Abstract Cone: A Distributed Heap Approach to Resource Selection (2008)

Ranjita Bhagwan, Priya Mahadevan, George Varghese, Geoffrey M. Voelker

In this paper, we propose a new distributed heap-based data structure called Cone. Cone maintains an ordering of key values in a distributed fashion, and can support queries of the form, “Find...

Direct evidence for hidden one-dimensional Fermi surface of hexagonal $K_{0.25}WO_3$ (2008)

Raj, S, Sato, T, Souma, S, Takahashi, T, Sarma, DD, Mahadevan, Priya, ...

The electronic structure of hexagonal potassium tungsten bronze $K_{0.25}WO_3$ has been investigated by high-resolution angle-resolved photoemission spectroscopy (ARPES). The experimentally...

Published online in Wiley InterScience (www.interscience.wiley.com). DOI: 10.1002/dac.786 SPLAT: A unified SIP services platform for VoIP applications k (2008)

Aameek Singh, Arup Acharya, Priya Mahadevan, Zon-yin Shae

The steady improvements in the networking infrastructure and ever increasing broadband penetration has fueled the resurgence of voice-over-IP (VoIP). One of the important contributors to this growth...

Size dependence of lattice constants of semiconductor nanocrystals (2008)

Cherian, Roby, Mahadevan, Priya

We have theoretically examined the size dependence of the equilibrium lattice constant of nanocrystals of Si, GaAs and CdSe. While deviations from the bulk lattice constant are as large as 1-2% for...

kc claffy (2008)

Priya Mahadevan, Dmitri Krioukov, Xenofontas Dimitropoulos, Marina Fomenkov, Amin Vahdat

We calculate an extensive set of characteristics for Internet AS topologies extracted from the three data sources most frequently used by the research community: traceroutes, BGP, and WHOIS. We...

Kevin Fall (2008)

Priya Mahadevan, Dmitri Krioukov, Amin Vahdat

Researchers have proposed a variety of metrics to measure important graph properties, for instance, in social, biological, and computer networks. Values for a particular graph metric may capture a...

ABSTRACT Orbis: Rescaling Degree Correlations to Generate Annotated Internet Topologies (2008)

Priya Mahadevan, Bradley Huffaker, Calvin Hubble, Amin Vahdat, Dmitri Krioukov

Researchers involved in designing network services and protocols rely on results from simulation and emulation environments to evaluate correctness, performance and scalability. To better understand...

Abstract (2008)

Priya Mahadevan, Adolfo Rodriguez

The current state of the art in evaluating applications and communication protocols for ad hoc wireless networks involves either simulation or small-scale live deployment. While largerscale...

Abstract (2008)

Priya Mahadevan, Xenofontas Dimitropoulos, Dmitri Krioukov

Network topology plays a vital role in understanding the performance of network applications and protocols. Thus, recently there has been tremendous interest in generating realistic network...

The Internet AS-Level Topology: Three Data Sources and One Definitive Metric (2008)

Priya Mahadevan, Dmitri Krioukov, Xenofontas Dimitropoulos, Bradley Huffaker, Marina Fomenkov, Kc Claffy, ...

We calculate an extensive set of characteristics for Internet AS topologies extracted from the three data sources most frequently used by the research community: traceroutes, BGP, and WHOIS. We...

Direct evidence for hidden one-dimensional Fermi surface of hexagonal $K_{0.25}WO_3$ (2008)

Raj, S, Sato, T, Souma, S, Takahashi, T, Sarma, DD, Mahadevan, Priya, ...

The electronic structure of hexagonal potassium tungsten bronze $K_{0.25}WO_3$ has been investigated by high-resolution angle-resolved photoemission spectroscopy (ARPES). The experimentally...

Meet-Me Service (2007)

Priya Mahadevan, Joann Ordille

This paper presents an architecture for enabling communication between two systems that cannot ordinarily establish communication with each other, because Network Address Translators (NATs) and...

Abstract (2007)

Priya Mahadevan, Adolfo Rodriguez, David Becker, Amin Vahdat

The current state of the art in evaluating applications and communication protocols for ad hoc wireless networks involves either simulation or small-scale live deployment. While larger-scale...

Electronic structure of NaWO$_3$: Role of the impurity potential (2007)

Mahadevan, Priya, Cherian, Roby, Sankaran, K. J., Sarma, D. D.

We have performed {\it ab-initio} electronic structure calculations to determine the evolution of the electronic structure of WO$_3$ with Na doping. Na doping introduces an additional electron when...

Role of semi core levels in determining the band-gaps of semiconductors: First-principles calculations with model Hamiltonians (2007)

Cherian, Roby, Mahadevan, Priya, Persson, Clas

First principle calculations based on LDA/GGA approximation for the exchange functional underestimate the position of the semi core 3d levels in GaX (X = N, P and As) semiconductors. A...

Elastic Properties of Carbon nanotubes : An atomistic approach (2007)

Cherian, Roby, Mahadevan, Priya

Energetically the single sheet of graphite (graphene) is more stable than the nanotube. The energy difference between the two systems can be directly related to the strain energy involved in rolling...

Bulk and nano GaN: Role of Ga d states (2007)

Cherian, Roby, Mahadevan, Priya

We have studied the role of Ga 3d states in determining the properties of bulk as well as nanoparticles of GaN using PAW potentials. A significant contribution of the Ga d states in the valence band...

Systematic Topology Analysis and Generation Using Degree Correlations (2006)

Mahadevan, Priya, Krioukov, Dmitri, Fall, Kevin, Vahdat, Amin

We present a new, systematic approach for analyzing network topologies. We first introduce the dK-series of probability distributions specifying all degree correlations within d-sized subgraphs of a...

Angle-resolved photoemission spectroscopy of the insulating $Na_{x}WO_{3}$:anderson Localization, polaron formation, and remnant fermi Surface (2006)

Raj, S, Hashimoto, D, Matsui, H, Souma, S, Sato, T, Takahashi, T, ...

The electronic structure of the insulating sodium tungsten bronze, Na0.025WO3,is investigated by high-resolution angle-resolved photoemission spectroscopy. We find that near-E-F states are localized...

Angle-Resolved Photoemission Spectroscopy of the Insulating $Na_xWO_3$: Anderson Localization, Polaron Formation, and Remnant Fermi Surface (2006)

Raj, S, Hashimoto, D, Matsui, H, Souma, S, Sato, T, Takahashi, T, ...

The electronic structure of the insulating sodium tungsten bronze, $Na_0_._0_2_5WO_3$, is investigated by high-resolution angle-resolved photoemission spectroscopy. We find that near$-E_F$ states are...

Understanding the bulk electronic structure of Ca1-xSrxVO3 (2006)

Maiti, Kalobaran, Manju, U, Ray, Sugata, Mahadevan, Priya, Inoue, IH, Carbone, C, ...

We investigate the electronic structure of Ca1-xSrxVO3 using careful state-of-the-art experiments and calculations. Photoemission spectra using synchrotron radiation reveal a hitherto unnoticed...

Angle-Resolved Photoemission Spectroscopy of the Insulating $Na_xWO_3$: Anderson Localization, Polaron Formation, and Remnant Fermi Surface (2006)

Raj, S, Hashimoto, D, Matsui, H, Souma, S, Sato, T, Takahashi, T, ...

The electronic structure of the insulating sodium tungsten bronze, $Na_0_._0_2_5WO_3$, is investigated by high-resolution angle-resolved photoemission spectroscopy. We find that near$-E_F$ states are...

The Internet AS-Level Topology: Three Data Sources and One Definitive Metric (2005)

Mahadevan, Priya, Krioukov, Dmitri, Fomenkov, Marina, Huffaker, Bradley, Dimitropoulos, Xenofontas, Claffy, Kc, ...

We calculate an extensive set of characteristics for Internet AS topologies extracted from the three data sources most frequently used by the research community: traceroutes, BGP, and WHOIS. We...

Understanding the bulk electronic structure of Ca1-xSrxVO3 (2005)

Maiti, Kalobaran, Manju, U., Ray, Sugata, Mahadevan, Priya, Inoue, I. H., Carbone, C., ...

We investigate the electronic structure of Ca1-xSrxVO3 using careful state-of-the-art experiments and calculations. Photoemission spectra using synchrotron radiation reveal a hitherto unnoticed...

Angle-resolved photoemission spectroscopy of the metallic sodium tungsten bronzes $Na_{x}WO_{3}$ (2005)

Raj, S, Hashimoto, D, Matsui, H, Souma, S, Sato, T, Takahashi, T, ...

We have carried out high-resolution angle-resolved photoemission spectroscopy (ARPES) to study the electronic structure of highly metallic $Na_{x}WO_{3}$ (x=0.58, 0.65, 0.7, and 0.8). The...

Lessons from Three Views of the Internet Topology (2005)

Mahadevan, Priya, Krioukov, Dmitri, Fomenkov, Marina, Huffaker, Bradley, Dimitropoulos, Xenofontas, Claffy, Kc, ...

Network topology plays a vital role in understanding the performance of network applications and protocols. Thus, recently there has been tremendous interest in generating realistic network...

Origin of transition metal clustering tendencies in GaAs based dilute magnetic semiconductors (2005)

Mahadevan, Priya, Osorio-Guillen, J. M., Zunger, Alex

While isovalent doping of GaAs (e.g. by In) leads to a repulsion between the solute atoms, two Cr, Mn, or Fe atoms in GaAs are found to have lower energy than the well-separated pair, and hence...

Angle-resolved photoemission spectroscopy of the metallic sodium tungsten bronzes $Na_{x}WO_{3}$ (2005)

Raj, S, Hashimoto, D, Matsui, H, Souma, S, Sato, T, Takahashi, T, ...

We have carried out high-resolution angle-resolved photoemission spectroscopy (ARPES) to study the electronic structure of highly metallic $Na_{x}WO_{3}$ (x=0.58, 0.65, 0.7, and 0.8). The...

Understanding the bulk electronic structure of $Ca_1_xSr_xVO_3$ (2005)

Maiti, Kalobaran, Manju, U, Ray, Sugata, Mahadevan, Priya, Inoue, IH, Carbone, C, ...

We investigate the electronic structure of $Ca_1_xSr_xVO_3$ using careful state-of-the-art experiments and calculations. Photoemission spectra using synchrotron radiation reveal a hitherto unnoticed...

Understanding the bulk electronic structure of $Ca_1_xSr_xVO_3$ (2005)

Maiti, Kalobaran, Manju, U, Ray, Sugata, Mahadevan, Priya, Inoue, IH, Carbone, C, ...

We investigate the electronic structure of $Ca_1_xSr_xVO_3$ using careful state-of-the-art experiments and calculations. Photoemission spectra using synchrotron radiation reveal a hitherto unnoticed...

Unusual direction dependence of exchange energies in GaAs:Mn - Is the RKKY description relevant (2004)

Mahadevan, Priya, Zunger, Alex, Sarma, D. D., ;

Ferromagnetism in Mn-doped GaAs, the prototypical dilute magnetic semiconductor, has so far been attributed to hole mediated RKKY-type interactions. First-principles calculations reveal a strong...

Trends in ferromagnetism, hole localization, and acceptor level depth for Mn substitution in (2004)

Mahadevan, Priya, Zunger, Alex

We examine the intrinsic mechanism of ferromagnetism in dilute magnetic semiconductors by analyzing the trends in the electronic structure as the host is changed from GaN to GaP, GaAs and GaSb,...

Design and Implementation of SIP Network and Client Services (2004)

Aameek Singh, Priya Mahadevan, Arup Acharya

Session Initiation Protocol (SIP) is being widely adopted for VoIP, IM and other collaborative applications due to its simple yet rich functional design. However, one of the main drawbacks has been...

MobiNet: A Scalable Emulation Infrastructure for Ad Hoc (2004)

And Wireless Networks, Priya Mahadevan, Adolfo Rodriguez

this paper appeared as a short paper in the Wireless Traffic Measurements and Modeling Workshop, (WiTMeMo 2005). The current MC2R submission has validation experiments including comparison of our...

Design and Implementation of SIP Network and Client Services (2004)

Aameek Singh, Priya Mahadevan, Arup Acharya, Zon-Yin Shae

Session Initiation Protocol (SIP) is being widely adopted for VoIP, IM and other collaborative applications due to its simple yet rich functional design. However, one of the main drawbacks has been...

Ferromagnetism in Mn doped GaAs due to substitutional-interstitial complexes (2003)

Mahadevan, Priya, Zunger, Alex

While most calculations on the properties of the ferromagnetic semiconductor GaAs:Mn have focussed on isolated Mn substituting the Ga site (Mn$_{Ga}$), we investigate here whether alternate lattice...

First-principles investigation of the assumptions underlying Model-Hamiltonian approaches to ferromagnetism of 3d impurities in III-V semiconductors (2003)

Mahadevan, Priya, Zunger, Alex

We use first-principle calculations for transition metal impurities V, Cr, Mn, Fe, Co and Ni in GaAs as well as Cr and Mn in GaN, GaP and GaSb to identify the basic features of the electronic...

Strong correlation effects in the electronic structure of Sr2FeMoO6 (2003)

Ray, Sugata, Mahadevan, Priya, Kumar, Ashwani, Sarma, DD, Cimino, R, Pedio, M, ...

We investigate the electronic structure of Sr2FeMoO6 combining photoemission spectroscopy with a wide range of photon energies and electronic structure calculations based on first-principle as well...

Strong correlation effects in the electronic structure of Sr2FeMoO6 (2003)

Ray, Sugata, Mahadevan, Priya, Kumar, Ashwani, Sarma, DD, Cimino, R, Pedio, M, ...

We investigate the electronic structure of Sr2FeMoO6 combining photoemission spectroscopy with a wide range of photon energies and electronic structure calculations based on first-principle as well...

Novel aspects and strong correlation in the electronic structure of Sr$_2$FeMoO$_6$ (2002)

Ray, Sugata, Mahadevan, Priya, Kumar, Ashwani, Sarma, D. D., Cimino, R., Pedio, M., ...

We investigate the electronic structure of Sr$_2$FeMoO$_6$ combining photoemission spectroscopy with a wide range of photon energies and electronic structure calculations based on first-principle as...

Scalability and Accuracy in a Large-Scale Network Emulator (2002)

Amin Vahdat, Ken Yocum, Kevin Walsh, Priya Mahadevan, Dejan Kostić, Jeff Chase, ...

Permission is granted for noncommercial reproduction of the work for educational or research purposes.

Scalability and Accuracy in a Large-Scale Network Emulator (2002)

Amin Vahdat Ken, Ken Yocum, Kevin Walsh, Priya Mahadevan, Dejan Kostić, Jeff Chase, ...

This paper presents ModelNet, a scalable Internet emulation environment that enables researchers to deploy unmodified software prototypes in a configurable Internet-like environment and subject them...

On charge and orbital ordering in La0.5Sr1.5MnO4 (2001)

Mahadevan, Priya, Terakura, K., Sarma, D. D.

Using first principle band structure calculations, we critically examine results of resonant x-ray scattering experiments which is believed to directly probe charge and orbital ordering. Considering...

Origin of room-temperature ferromagnetism in Mn doped semiconducting CdGeP2 (2001)

Mahadevan, Priya, Zunger, Alex

CdGeP2 chalcopyrites doped with Mn have been recently found to exhibit room temperature ferromagnetism. Isovalent substitution of the Cd site is expected, however, to create antiferromagnetism, in...

Spin, charge and orbital ordering in La0.5Sr1.5MnO4 (2001)

Mahadevan, Priya, Terakura, K., Sarma, D. D.

We have analyzed the experimental evidence of charge and orbital ordering in La0.5Sr1.5MnO4 using first principles band structure calculations. Our results suggest the presence of two types of Mn...

Electronic Structure of $Sr_2FeMoO_6$ (2000)

Sarma, DD, Mahadevan, Priya, Dasgupta, Saha T, Ray, Sugata, Kumar, Ashwani

We have analyzed the unusual electronic structure of $Sr_2FeMoO_6$ combining ab initio and model Hamiltonian approaches. Our results indicate that there are strong enhancements of the intra-atomic...

Electronic Structure of Sr_2FeMoO_6 (2000)

Sarma, D. D., Mahadevan, Priya, Saha-Dasgupta, T., Ray, Sugata, Kumar, Ashwani

We have analysed the unusual electronic structure of Sr_2FeMoO_6 combining ab-initio and model Hamiltonian approaches. Our results indicate that there are strong enhancements of the intraatomic...

Electronic structure of $NiS_{1-x}Se_x$ (2000)

Krishnakumar, SR, Shanthi, N, Mahadevan, Priya, Sarma, DD

We investigate the electronic structure of the metallic $NiS_{1-x}Se_x$ system using various electron spectroscopic techniques. The band-structure results do not describe the details of the spectral...

Electronic structure of NiS_{1-x}Se_x (2000)

Krishnakumar, S. R., Shanthi, N., Mahadevan, Priya, Sarma, D. D.

We investigate the electronic structure of the metallic NiS$_{1-x}$Se$_x$ system using various electron spectroscopic techniques. The band structure results do not describe the details of the...

Hole distribution between the Ni 3d and O 2p orbitals in Nd2-xSrxNiO4-delta (2000)

Hu, Z, Golden, MS, Fink, J, Kaindl, G, Warda, SA, Reinen, D, ...

We present a joint experimental and theoretical study of x-ray absorption at the O-K and Ni-L-2.3 thresholds of Nd2-xSrxNiO4-delta providing an analysis of the distribution of doped holes induced by...

Electronic structure of $NiS_{1-x}Se_x$ (2000)

Krishnakumar, SR, Shanthi, N, Mahadevan, Priya, Sarma, DD

We investigate the electronic structure of the metallic $NiS_{1-x}Se_x$ system using various electron spectroscopic techniques. The band-structure results do not describe the details of the spectral...

Electronic Structure of $Sr_2FeMoO_6$ (2000)

Sarma, DD, Mahadevan, Priya, Dasgupta, Saha T, Ray, Sugata, Kumar, Ashwani

We have analyzed the unusual electronic structure of $Sr_2FeMoO_6$ combining ab initio and model Hamiltonian approaches. Our results indicate that there are strong enhancements of the intra-atomic...

Evolution of electronic structure with dimensionality in divalent nickelates (1999)

Maiti, K, Mahadevan, Priya, Sarma, DD

We investigate the evolution of electronic structure with dimensionality (d) of Ni-O-Ni connectivity in divalent nickelates, NiO (3-d), La2NiO4, Pr2NiO4 (2-d), Y2BaNiO5 (1-d) and Lu2BaNi5 (0-d), by...

Low-Temperature Spin Dynamics of Doped Manganites: roles of Mn-t2g and eg and O-2p states (1999)

Mahadevan, Priya, Solovyev, I. V., Terakura, K.

The low-temperature spin dynamics of doped manganites have been analyzed within a tight-binding model, the parameters of which are estimated by mapping the results of ab initio density functional...

Auger Transition from Orbitally Degenerate Systems: Effects of Screening and Multielectron Excitations (1998)

Sarma, DD, Mahadevan, Priya

We calculate Auger spectra given by the two-hole Green’s function from orbitally degenerate Hubbard-like models as a function of correlation strength and band filling. The resulting spectra are...

Auger transition from orbitally degenerate systems: Effects of screening and multielectron excitations (1998)

Sarma, D. D., Mahadevan, Priya

We calculate Auger spectra given by the two-hole Green's function from orbitally degenerate Hubbard-like models as a function of correlation strength and band filling. The resulting spectra are...

Evolution of spectral function in a doped Mott insulator: Surface vs bulk contributions (1998)

Maiti, K, Mahadevan, Priya, Sarma, DD

We study the evolution of the spectral function with progressive hole doping in a Mott insulator, La1-xCaxVO3 with x = 0.0-0.5. The spectral features indicate a bulk-to-surface metal-insulator...

Evolution of spectral function in a doped Mott insulator : surface vs. bulk contributions (1998)

Maiti, K., Mahadevan, Priya, Sarma, D. D.

We study the evolution of the spectral function with progressive hole doping in a Mott insulator, $La_{1-x}Ca_xVO_3$ with $x$ = 0.0 - 0.5. The spectral features indicate a bulk-to-surface...

Auger Transition from Orbitally Degenerate Systems: Effects of Screening and Multielectron Excitations (1998)

Sarma, DD, Mahadevan, Priya

We calculate Auger spectra given by the two-hole Green’s function from orbitally degenerate Hubbard-like models as a function of correlation strength and band filling. The resulting spectra are...

Electronic and magnetic transitions in a multiband model for La2NiO4 (1997)

Mahadevan, Priya, Sheshadri, K, Sarma, DD, Krishnamurthy, HR, Pandit, Rahul

The transition-metal oxide La2NiO4 is studied using a multiband Hubbard model with a Hund coupling J. We obtain its mean-field phase diagram in the U- (correlation strength on Ni sites) Delta...

Electronic structure of $LaCrO_3,LaMnO_3$ and $LaFeO_3$ from ab initio spin-polarized calculations (1997)

Mahadevan, Priya, Shanthi, N, Sarma, DD

The electronic structures of the $LaMO_3$ series are discussed on the basis of ab initio band-structure calculations within the local spin-density approximation, which correctly predicts the...

Electronic and magnetic transitions in a multiband model for La2NiO4 (1997)

Mahadevan, Priya, Sheshadri, K, Sarma, DD, Krishnamurthy, HR, Pandit, Rahul

The transition-metal oxide La2NiO4 is studied using a multiband Hubbard model with a Hund coupling J. We obtain its mean-field phase diagram in the U- (correlation strength on Ni sites) Delta...

Electronic structure of $LaCrO_3,LaMnO_3$ and $LaFeO_3$ from ab initio spin-polarized calculations (1997)

Mahadevan, Priya, Shanthi, N, Sarma, DD

The electronic structures of the $LaMO_3$ series are discussed on the basis of ab initio band-structure calculations within the local spin-density approximation, which correctly predicts the...

Estimates of electronic interaction parameters for La$M$O$_3$ compounds ($M$=Ti-Ni) from ab-initio approaches (1996)

Mahadevan, Priya, Shanthi, N., Sarma, D. D.

We have analyzed the ab-initio local density approximation band structure calculations for the family of perovskite oxides, La$M$O$_3$ with $M$=Ti-Ni within a parametrized nearest neighbor...

Electronic excitation spectra from ab-initio band structure results for LaMO_3 (M = Cr-Ni) (1996)

Sarma, D. D., Shanthi, N., Mahadevan, Priya

We present calculated electron excitation spectra for the LaMO_3 series (M=Cr-Ni) obtained within ab-initio band structure calculations for the real geometric and magnetic structures. The calculated...

Estimates of electronic interaction parameters for $LaMO_3$ compounds (M=Ti–Ni) from ab initio approaches (1996)

Mahadevan, Priya, Shanthi, N, Sarma, DD

We have analyzed the ab initio local-density-approximation band-structure calculations for the family of perovskite oxides, $LaMO_3$ with M=Ti–Ni within a parametrized nearest-neighbor...

Electronic excitation spectra from ab initio band-structure results for $LaMO_3$ (M=Cr,Mn,Fe,Co,Ni) (1996)

Sarma, DD, Shanthi, N, Mahadevan, Priya

We present calculated electron excitation spectra for the $LaMO_3$ series (M5Cr-Ni) obtained within ab initio band-structure calculations for the real geometric and magnetic structures. The...

Electronic excitation spectra from ab initio band-structure results for $LaMO_3$ (M=Cr,Mn,Fe,Co,Ni) (1996)

Sarma, DD, Shanthi, N, Mahadevan, Priya

We present calculated electron excitation spectra for the $LaMO_3$ series (M5Cr-Ni) obtained within ab initio band-structure calculations for the real geometric and magnetic structures. The...

Estimates of electronic interaction parameters for $LaMO_3$ compounds (M=Ti–Ni) from ab initio approaches (1996)

Mahadevan, Priya, Shanthi, N, Sarma, DD

We have analyzed the ab initio local-density-approximation band-structure calculations for the family of perovskite oxides, $LaMO_3$ with M=Ti–Ni within a parametrized nearest-neighbor...

Electronic structure of 3d transition metal perovskites, $LaMO_3$ from band structure calculations (1994)

Sarma, DD, Shanthi, N, Mahadevan, Priya

We have performed band structure calculations for $LaMO_3$ with M=Ti-Ni within the linearized muffin-tin orbital (LMTO) method using the atomic sphere approximation (ASA). We have estimated the...

Electronic structure and the metal-insulator transition in $LnNiO_3$ (Ln = La, Pry Nd, Sm and Ho): band structure results (1994)

Sarma, DD, Shanthi, N, Mahadevan, Priya

We report detailed band structure results on the series $LnNiO_3$ with Ln = La, PI,Nd. Sm and Ho. $LaNiO_3$ is shown to be a pd metal. expected to be close to localization due to correlation effects;...

Electronic structure and the metal-insulator transition in $LnNiO_3$ (Ln = La, Pry Nd, Sm and Ho): band structure results (1994)

Sarma, DD, Shanthi, N, Mahadevan, Priya

We report detailed band structure results on the series $LnNiO_3$ with Ln = La, PI,Nd. Sm and Ho. $LaNiO_3$ is shown to be a pd metal. expected to be close to localization due to correlation effects;...

Electronic structure of 3d transition metal perovskites, $LaMO_3$ from band structure calculations (1994)

Sarma, DD, Shanthi, N, Mahadevan, Priya

We have performed band structure calculations for $LaMO_3$ with M=Ti-Ni within the linearized muffin-tin orbital (LMTO) method using the atomic sphere approximation (ASA). We have estimated the...