Search Results - "Hultman, L."

The same chemical state of carbon gives rise to two peaks in X-ray photoelectron spectroscopy by Greczynski, G., Hultman, L.

“…Chemical state analysis in X-ray photoelectron spectroscopy (XPS) relies on assigning well-defined binding energy values to core level electrons originating…”
Get full text

X-ray photoelectron spectroscopy: Towards reliable binding energy referencing by Greczynski, G, Hultman, L

“…With more than 9000 papers published annually, X-ray photoelectron spectroscopy (XPS) is an indispensable technique in modern surface and materials science for…”
Get full text

Reliable determination of chemical state in x-ray photoelectron spectroscopy based on sample-work-function referencing to adventitious carbon: Resolving the myth of apparent constant binding energy of the C 1s peak by Greczynski, G., Hultman, L.

“…•We analyze AdC layers on metals, nitrides, carbides, borides, oxides, and oxynitrides.•BE of C 1s peak EBF varies from 284.08 to 286.74 eV depending on the…”
Get full text

Self-consistent modelling of X-ray photoelectron spectra from air-exposed polycrystalline TiN thin films by Greczynski, G., Hultman, L.

“…•We present first self-consistent model of TiN core level spectra with a cross-peak qualitative and quantitative agreement.•Model is tested for a series of TiN…”
Get full text

X-ray photoelectron spectroscopy studies of Ti1-xAlxN (0 ≤ x ≤ 0.83) high-temperature oxidation: The crucial role of Al concentration by Greczynski, G., Hultman, L., Odén, M.

“…The resistance to high-temperature oxidation of Ti1-xAlxN films determines performance in numerous applications including coated cutting tools. Here, we…”
Get full text

In-situ observation of self-cleansing phenomena during ultra-high vacuum anneal of transition metal nitride thin films: Prospects for non-destructive photoelectron spectroscopy by Greczynski, G., Hultman, L.

“…Self-cleansing of transition metal nitrides is discovered to take place during ultra-high vacuum annealing of TiN, NbN, and VN thin films. Native oxide layers…”
Get full text

Epitaxially grown graphene based gas sensors for ultra sensitive NO₂ detection by Pearce, R, Iakimov, T, Andersson, M, Hultman, L, Spetz, A. Lloyd, Yakimova, R

“…Epitaxially grown single layer and multi layer graphene on SiC devices were fabricated and compared for response towards NO₂. Due to electron donation from…”
Get full text

Core-level spectra and binding energies of transition metal nitrides by non-destructive x-ray photoelectron spectroscopy through capping layers by Greczynski, G., Primetzhofer, D., Lu, J., Hultman, L.

“…•First non-destructive measurements of XPS core level binding energies for group IVb-VIb transition metal nitrides are presented.•All films are grown under the…”
Get full text

A review of metal-ion-flux-controlled growth of metastable TiAlN by HIPIMS/DCMS co-sputtering by Greczynski, G., Lu, J., Jensen, J., Bolz, S., Kölker, W., Schiffers, Ch, Lemmer, O., Greene, J.E., Hultman, L.

“…We review results on the growth of metastable Ti1−xAlxN alloy films by hybrid high-power pulsed and dc magnetron co-sputtering (HIPIMS/DCMS) using the time…”
Get full text

Venting temperature determines surface chemistry of magnetron sputtered TiN films by Greczynski, G., Mráz, S., Hultman, L., Schneider, J. M.

“…Surface properties of refractory ceramic transition metal nitride thin films grown by magnetron sputtering are essential for resistance towards oxidation…”
Get full text

Theoretical and Experimental Exploration of a Novel In-Plane Chemically Ordered (Cr2/3M1/3)2AlC i‑MAX Phase with M = Sc and Y by Lu, J, Thore, A, Meshkian, R, Tao, Q, Hultman, L, Rosen, J

“…We have uncovered two inherently laminated transition metal carbides, (Cr2/3Sc1/3)2AlC and (Cr2/3Y1/3)2AlC, which display in-plane chemical order in the…”
Get full text

High Si content TiSiN films with superior oxidation resistance by Greczynski, G., Bakhit, B., Hultman, L., Odén, M.

“…The high-temperature oxidation resistance of Ti1-xSixN films with Si content varying in wide range, 0.13 ≤ x ≤ 0.91, is evaluated. Films are grown in Ar/N2…”
Get full text

Time and energy resolved ion mass spectroscopy studies of the ion flux during high power pulsed magnetron sputtering of Cr in Ar and Ar/N2 atmospheres by Greczynski, G., Hultman, L.

Get full text

Supertoughening in B1 transition metal nitride alloys by increased valence electron concentration by Sangiovanni, D.G., Hultman, L., Chirita, V.

“…We use density functional theory calculations to explore the effects of alloying cubic TiN and VN with transition metals M = Nb, Ta, Mo or W at 50%…”
Get full text

Dense, single-phase, hard, and stress-free Ti0.32Al0.63W0.05N films grown by magnetron sputtering with dramatically reduced energy consumption by Li, X., Bakhit, B., Johansson Jõesaar, M. P., Petrov, I., Hultman, L., Greczynski, G.

“…The quest for lowering energy consumption during thin film growth, as by magnetron sputtering, becomes of particular importance in view of sustainable…”
Get full text

Mechanical properties and machining performance of Ti1-xAlxN-coated cutting tools by HÖRLING, A, HULTMAN, L, ODEN, M, SJÖLEN, J, KARLSSON, L

“…The mechanical properties and machining performance of Ti1-xAlxN-coated cutting tools have been investigated. Processing by arc evaporation using cathodes with…”
Get full text

Adaptive hard and tough mechanical response in single-crystal B1 VNx ceramics via control of anion vacancies by Mei, A.B., Kindlund, H., Broitman, E., Hultman, L., Petrov, I., Greene, J.E., Sangiovanni, D.G.

“…High hardness and toughness are generally considered mutually exclusive properties for single-crystal ceramics. Combining experiments and ab initio molecular…”
Get full text

Microstructural evolution during film growth by Petrov, I., Barna, P. B., Hultman, L., Greene, J. E.

“…Atomic-scale control and manipulation of the microstructure of polycrystalline thin films during kinetically limited low-temperature deposition, crucial for a…”
Get full text

Strain evolution during spinodal decomposition of TiAlN thin films by Rogström, L., Ullbrand, J., Almer, J., Hultman, L., Jansson, B., Odén, M.

“…We use a combination of in-situ X-ray scattering experiments during annealing and phase-field simulations to study the strain and microstructure evolution…”
Get full text

Effects of phase stability, lattice ordering, and electron density on plastic deformation in cubic TiWN pseudobinary transition-metal nitride alloys by Sangiovanni, D.G., Hultman, L., Chirita, V., Petrov, I., Greene, J.E.

“…We carry out density functional theory calculations to compare the energetics of layer glide, as well as stress vs. strain curves, for cubic Ti0.5W0.5N…”
Get full text