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Items: 1 to 50 of 78

1.

MoS2 pixel arrays for real-time photoluminescence imaging of redox molecules.

Reynolds MF, Guimarães MHD, Gao H, Kang K, Cortese AJ, Ralph DC, Park J, McEuen PL.

Sci Adv. 2019 Nov 8;5(11):eaat9476. doi: 10.1126/sciadv.aat9476. eCollection 2019 Nov.

2.

Effective Spin-Mixing Conductance of Heavy-Metal-Ferromagnet Interfaces.

Zhu L, Ralph DC, Buhrman RA.

Phys Rev Lett. 2019 Aug 2;123(5):057203. doi: 10.1103/PhysRevLett.123.057203.

PMID:
31491309
3.

Anisotropic spin-orbit torque generation in epitaxial SrIrO3 by symmetry design.

Nan T, Anderson TJ, Gibbons J, Hwang K, Campbell N, Zhou H, Dong YQ, Kim GY, Shao DF, Paudel TR, Reynolds N, Wang XJ, Sun NX, Tsymbal EY, Choi SY, Rzchowski MS, Kim YB, Ralph DC, Eom CB.

Proc Natl Acad Sci U S A. 2019 Aug 13;116(33):16186-16191. doi: 10.1073/pnas.1812822116. Epub 2019 Jul 26.

PMID:
31350347
4.

Variation of the giant intrinsic spin Hall conductivity of Pt with carrier lifetime.

Zhu L, Zhu L, Sui M, Ralph DC, Buhrman RA.

Sci Adv. 2019 Jul 19;5(7):eaav8025. doi: 10.1126/sciadv.aav8025. eCollection 2019 Jul.

5.

Exceptionally High, Strongly Temperature Dependent, Spin Hall Conductivity of SrRuO3.

Ou Y, Wang Z, Chang CS, Nair HP, Paik H, Reynolds N, Ralph DC, Muller DA, Schlom DG, Buhrman RA.

Nano Lett. 2019 Jun 12;19(6):3663-3670. doi: 10.1021/acs.nanolett.9b00729. Epub 2019 May 8.

PMID:
31046294
6.

Spin-Orbit Torques in Heavy-Metal-Ferromagnet Bilayers with Varying Strengths of Interfacial Spin-Orbit Coupling.

Zhu L, Ralph DC, Buhrman RA.

Phys Rev Lett. 2019 Feb 22;122(7):077201. doi: 10.1103/PhysRevLett.122.077201.

PMID:
30848626
7.

Current-Induced Torques with Dresselhaus Symmetry Due to Resistance Anisotropy in 2D Materials.

Stiehl GM, MacNeill D, Sivadas N, El Baggari I, Guimarães MHD, Reynolds ND, Kourkoutis LF, Fennie CJ, Buhrman RA, Ralph DC.

ACS Nano. 2019 Feb 26;13(2):2599-2605. doi: 10.1021/acsnano.8b09663. Epub 2019 Jan 16.

PMID:
30615411
8.

Strong Enhancement of the Spin Hall Effect by Spin Fluctuations near the Curie Point of Fe_{x}Pt_{1-x} Alloys.

Ou Y, Ralph DC, Buhrman RA.

Phys Rev Lett. 2018 Mar 2;120(9):097203. doi: 10.1103/PhysRevLett.120.097203.

PMID:
29547325
9.

Spin-Orbit Torques in NbSe2/Permalloy Bilayers.

Guimarães MHD, Stiehl GM, MacNeill D, Reynolds ND, Ralph DC.

Nano Lett. 2018 Feb 14;18(2):1311-1316. doi: 10.1021/acs.nanolett.7b04993. Epub 2018 Jan 19.

PMID:
29328662
10.

Interface-Induced Phenomena in Magnetism.

Hellman F, Hoffmann A, Tserkovnyak Y, Beach GSD, Fullerton EE, Leighton C, MacDonald AH, Ralph DC, Arena DA, Dürr HA, Fischer P, Grollier J, Heremans JP, Jungwirth T, Kimel AV, Koopmans B, Krivorotov IN, May SJ, Petford-Long AK, Rondinelli JM, Samarth N, Schuller IK, Slavin AN, Stiles MD, Tchernyshyov O, Thiaville A, Zink BL.

Rev Mod Phys. 2017 Apr-Jun;89(2). pii: 025006. doi: 10.1103/RevModPhys.89.025006. Epub 2017 Jun 5.

11.

Scanning SQUID susceptometers with sub-micron spatial resolution.

Kirtley JR, Paulius L, Rosenberg AJ, Palmstrom JC, Holland CM, Spanton EM, Schiessl D, Jermain CL, Gibbons J, Fung YK, Huber ME, Ralph DC, Ketchen MB, Gibson GW Jr, Moler KA.

Rev Sci Instrum. 2016 Sep;87(9):093702.

PMID:
27782557
12.

Nanosecond-Timescale Low Energy Switching of In-Plane Magnetic Tunnel Junctions through Dynamic Oersted-Field-Assisted Spin Hall Effect.

Aradhya SV, Rowlands GE, Oh J, Ralph DC, Buhrman RA.

Nano Lett. 2016 Oct 12;16(10):5987-5992. Epub 2016 Jun 27.

PMID:
27327619
13.

Atomically Thin Ohmic Edge Contacts Between Two-Dimensional Materials.

Guimarães MH, Gao H, Han Y, Kang K, Xie S, Kim CJ, Muller DA, Ralph DC, Park J.

ACS Nano. 2016 Jun 28;10(6):6392-9. doi: 10.1021/acsnano.6b02879. Epub 2016 Jun 16.

PMID:
27299957
14.

Spin Torque Study of the Spin Hall Conductivity and Spin Diffusion Length in Platinum Thin Films with Varying Resistivity.

Nguyen MH, Ralph DC, Buhrman RA.

Phys Rev Lett. 2016 Mar 25;116(12):126601. doi: 10.1103/PhysRevLett.116.126601. Epub 2016 Mar 24.

PMID:
27058088
15.

High Dynamic Range Pixel Array Detector for Scanning Transmission Electron Microscopy.

Tate MW, Purohit P, Chamberlain D, Nguyen KX, Hovden R, Chang CS, Deb P, Turgut E, Heron JT, Schlom DG, Ralph DC, Fuchs GD, Shanks KS, Philipp HT, Muller DA, Gruner SM.

Microsc Microanal. 2016 Feb;22(1):237-49. doi: 10.1017/S1431927615015664. Epub 2016 Jan 11.

PMID:
26750260
16.

Breaking of valley degeneracy by magnetic field in monolayer MoSe2.

MacNeill D, Heikes C, Mak KF, Anderson Z, Kormányos A, Zólyomi V, Park J, Ralph DC.

Phys Rev Lett. 2015 Jan 23;114(3):037401. Epub 2015 Jan 22.

PMID:
25659021
17.

Deterministic switching of ferromagnetism at room temperature using an electric field.

Heron JT, Bosse JL, He Q, Gao Y, Trassin M, Ye L, Clarkson JD, Wang C, Liu J, Salahuddin S, Ralph DC, Schlom DG, Iñiguez J, Huey BD, Ramesh R.

Nature. 2014 Dec 18;516(7531):370-3. doi: 10.1038/nature14004.

PMID:
25519134
18.

Single layer graphene as an electrochemical platform.

Ritzert NL, Li W, Tan C, Rodríguez-Calero GG, Rodríguez-López J, Hernández-Burgos K, Conte S, Parks JJ, Ralph DC, Abruña HD.

Faraday Discuss. 2014;172:27-45. doi: 10.1039/c4fd00060a. Epub 2014 Aug 12.

PMID:
25426728
19.

Spin-transfer torque generated by a topological insulator.

Mellnik AR, Lee JS, Richardella A, Grab JL, Mintun PJ, Fischer MH, Vaezi A, Manchon A, Kim EA, Samarth N, Ralph DC.

Nature. 2014 Jul 24;511(7510):449-51. doi: 10.1038/nature13534.

PMID:
25056062
20.

Transient absorption and photocurrent microscopy show that hot electron supercollisions describe the rate-limiting relaxation step in graphene.

Graham MW, Shi SF, Wang Z, Ralph DC, Park J, McEuen PL.

Nano Lett. 2013;13(11):5497-502. doi: 10.1021/nl4030787. Epub 2013 Oct 23.

PMID:
24124889
21.

Magnetic oscillations driven by the spin Hall effect in 3-terminal magnetic tunnel junction devices.

Liu L, Pai CF, Ralph DC, Buhrman RA.

Phys Rev Lett. 2012 Nov 2;109(18):186602. Epub 2012 Oct 31.

PMID:
23215306
22.

Current-induced switching of perpendicularly magnetized magnetic layers using spin torque from the spin Hall effect.

Liu L, Lee OJ, Gudmundsen TJ, Ralph DC, Buhrman RA.

Phys Rev Lett. 2012 Aug 31;109(9):096602. Epub 2012 Aug 29.

PMID:
23002867
23.

Spin-torque switching with the giant spin Hall effect of tantalum.

Liu L, Pai CF, Li Y, Tseng HW, Ralph DC, Buhrman RA.

Science. 2012 May 4;336(6081):555-8. doi: 10.1126/science.1218197.

24.

Resonance measurement of nonlocal spin torque in a three-terminal magnetic device.

Xue L, Wang C, Cui YT, Liu L, Swander A, Sun JZ, Buhrman RA, Ralph DC.

Phys Rev Lett. 2012 Apr 6;108(14):147201. Epub 2012 Apr 3.

PMID:
22540819
25.

Reactivity of monolayer chemical vapor deposited graphene imperfections studied using scanning electrochemical microscopy.

Tan C, Rodríguez-López J, Parks JJ, Ritzert NL, Ralph DC, Abruña HD.

ACS Nano. 2012 Apr 24;6(4):3070-9. doi: 10.1021/nn204746n. Epub 2012 Mar 23.

PMID:
22424270
26.

Spin-transfer torque in nanoscale magnetic devices.

Ralph DC, Cui YT, Liu LQ, Moriyama T, Wang C, Buhrman RA.

Philos Trans A Math Phys Eng Sci. 2011 Sep 28;369(1951):3617-30. doi: 10.1098/rsta.2011.0169.

PMID:
21859725
27.

The electromotive force of MnAs nanoparticles.

Ralph DC.

Nature. 2011 Jun 8;474(7350):E6. doi: 10.1038/nature10142. No abstract available.

PMID:
21654757
28.

Images of a spin-torque-driven magnetic nano-oscillator.

Yu XW, Pribiag VS, Acremann Y, Tulapurkar AA, Tyliszczak T, Chou KW, Bräuer B, Li ZP, Lee OJ, Gowtham PG, Ralph DC, Buhrman RA, Stöhr J.

Phys Rev Lett. 2011 Apr 22;106(16):167202. Epub 2011 Apr 21.

PMID:
21599407
29.

Single-molecule conductance of pyridine-terminated dithienylethene switch molecules.

Tam ES, Parks JJ, Shum WW, Zhong YW, Santiago-Berríos MB, Zheng X, Yang W, Chan GK, Abruña HD, Ralph DC.

ACS Nano. 2011 Jun 28;5(6):5115-23. doi: 10.1021/nn201199b. Epub 2011 May 23.

PMID:
21574612
30.

Plasmon resonance in individual nanogap electrodes studied using graphene nanoconstrictions as photodetectors.

Shi SF, Xu X, Ralph DC, McEuen PL.

Nano Lett. 2011 Apr 13;11(4):1814-8. doi: 10.1021/nl200522t. Epub 2011 Mar 24.

PMID:
21434673
31.

Spin-torque ferromagnetic resonance induced by the spin Hall effect.

Liu L, Moriyama T, Ralph DC, Buhrman RA.

Phys Rev Lett. 2011 Jan 21;106(3):036601. Epub 2011 Jan 20.

PMID:
21405285
32.

Electrochemistry of individual monolayer graphene sheets.

Li W, Tan C, Lowe MA, Abruña HD, Ralph DC.

ACS Nano. 2011 Mar 22;5(3):2264-70. doi: 10.1021/nn103537q. Epub 2011 Feb 18.

PMID:
21332139
33.

Mechanical control of spin states in spin-1 molecules and the underscreened Kondo effect.

Parks JJ, Champagne AR, Costi TA, Shum WW, Pasupathy AN, Neuscamman E, Flores-Torres S, Cornaglia PS, Aligia AA, Balseiro CA, Chan GK, Abruña HD, Ralph DC.

Science. 2010 Jun 11;328(5984):1370-3. doi: 10.1126/science.1186874.

34.

Single-shot time-domain studies of spin-torque-driven switching in magnetic tunnel junctions.

Cui YT, Finocchio G, Wang C, Katine JA, Buhrman RA, Ralph DC.

Phys Rev Lett. 2010 Mar 5;104(9):097201. Epub 2010 Mar 1.

PMID:
20367007
35.

Measurement of discrete energy-level spectra in individual chemically synthesized gold nanoparticles.

Kuemmeth F, Bolotin KI, Shi SF, Ralph DC.

Nano Lett. 2008 Dec;8(12):4506-12. doi: 10.1021/nl802473n.

PMID:
19367854
36.

Tunnelling spectra of individual magnetic endofullerene molecules.

Grose JE, Tam ES, Timm C, Scheloske M, Ulgut B, Parks JJ, Abruña HD, Harneit W, Ralph DC.

Nat Mater. 2008 Nov;7(11):884-9. doi: 10.1038/nmat2300. Epub 2008 Oct 19.

PMID:
18931670
37.

Atomic motion in ferromagnetic break junctions.

Shi SF, Ralph DC.

Nat Nanotechnol. 2007 Sep;2(9):522; author reply 522-3. doi: 10.1038/nnano.2007.251a. Epub 2007 Aug 26. No abstract available.

PMID:
18654354
38.

Sidewall oxide effects on spin-torque- and magnetic-field-induced reversal characteristics of thin-film nanomagnets.

Ozatay O, Gowtham PG, Tan KW, Read JC, Mkhoyan KA, Thomas MG, Fuchs GD, Braganca PM, Ryan EM, Thadani KV, Silcox J, Ralph DC, Buhrman RA.

Nat Mater. 2008 Jul;7(7):567-73. doi: 10.1038/nmat2204. Epub 2008 Jun 8.

PMID:
18536721
39.

Coupling of spin and orbital motion of electrons in carbon nanotubes.

Kuemmeth F, Ilani S, Ralph DC, McEuen PL.

Nature. 2008 Mar 27;452(7186):448-52. doi: 10.1038/nature06822.

PMID:
18368113
40.

Tuning the Kondo effect with a mechanically controllable break junction.

Parks JJ, Champagne AR, Hutchison GR, Flores-Torres S, Abruña HD, Ralph DC.

Phys Rev Lett. 2007 Jul 13;99(2):026601. Epub 2007 Jul 11.

PMID:
17678242
41.

Imaging electromigration during the formation of break junctions.

Taychatanapat T, Bolotin KI, Kuemmeth F, Ralph DC.

Nano Lett. 2007 Mar;7(3):652-6. Epub 2007 Feb 17.

PMID:
17305400
42.

Anisotropic magnetoresistance and anisotropic tunneling magnetoresistance due to quantum interference in ferromagnetic metal break junctions.

Bolotin KI, Kuemmeth F, Ralph DC.

Phys Rev Lett. 2006 Sep 22;97(12):127202. Epub 2006 Sep 20.

PMID:
17025993
43.

Signatures of molecular magnetism in single-molecule transport spectroscopy.

Jo MH, Grose JE, Baheti K, Deshmukh MM, Sokol JJ, Rumberger EM, Hendrickson DN, Long JR, Park H, Ralph DC.

Nano Lett. 2006 Sep;6(9):2014-20.

PMID:
16968018
44.

Time-resolved spin-torque switching and enhanced damping in permalloy/Cu/permalloy spin-valve nanopillars.

Emley NC, Krivorotov IN, Ozatay O, Garcia AG, Sankey JC, Ralph DC, Buhrman RA.

Phys Rev Lett. 2006 Jun 23;96(24):247204. Epub 2006 Jun 19.

PMID:
16907277
45.

Spin-transfer-driven ferromagnetic resonance of individual nanomagnets.

Sankey JC, Braganca PM, Garcia AG, Krivorotov IN, Buhrman RA, Ralph DC.

Phys Rev Lett. 2006 Jun 9;96(22):227601. Epub 2006 Jun 5.

PMID:
16803344
46.

Spin torque, tunnel-current spin polarization, and magnetoresistance in MgO magnetic tunnel junctions.

Fuchs GD, Katine JA, Kiselev SI, Mauri D, Wooley KS, Ralph DC, Buhrman RA.

Phys Rev Lett. 2006 May 12;96(18):186603. Epub 2006 May 9.

PMID:
16712385
47.

Electrochemical properties of self-assembled monolayers of polyaniline: effects of the thiol substituent and reduced dimensionality.

Ulgut B, Zhao Y, Grose JE, Ralph DC, Abruña HD.

Langmuir. 2006 Apr 25;22(9):4433-7.

PMID:
16618199
48.

From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions.

Bolotin KI, Kuemmeth F, Pasupathy AN, Ralph DC.

Nano Lett. 2006 Jan;6(1):123-7.

PMID:
16402799
49.

Mechanically adjustable and electrically gated single-molecule transistors.

Champagne AR, Pasupathy AN, Ralph DC.

Nano Lett. 2005 Feb;5(2):305-8.

PMID:
15794616
50.

Vibration-assisted electron tunneling in C140 transistors.

Pasupathy AN, Park J, Chang C, Soldatov AV, Lebedkin S, Bialczak RC, Grose JE, Donev LA, Sethna JP, Ralph DC, McEuen PL.

Nano Lett. 2005 Feb;5(2):203-7.

PMID:
15794596

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