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Items: 1 to 50 of 86

1.

Strong Orbital Polarization in a Cobaltate-Titanate Oxide Heterostructure.

Lee S, Lee AT, Georgescu AB, Fabbris G, Han MG, Zhu Y, Freeland JW, Disa AS, Jia Y, Dean MPM, Walker FJ, Ismail-Beigi S, Ahn CH.

Phys Rev Lett. 2019 Sep 13;123(11):117201. doi: 10.1103/PhysRevLett.123.117201.

PMID:
31573260
2.

Integration of sputter-deposited multiferroic CoFe2O4-BiFeO3 nanocomposites on conductive La0.7Sr0.3MnO3 electrodes.

Lee SH, Tian G, Kim TC, Jung HK, Choi JW, Walker FJ, Ahn CH, Ross CA, Kim DH.

Nanotechnology. 2019 Mar 8;30(10):105601. doi: 10.1088/1361-6528/aaf7cd. Epub 2018 Dec 11.

PMID:
30537681
3.

Controlling Mobility in Perovskite Oxides by Ferroelectric Modulation of Atomic-Scale Interface Structure.

Malashevich A, Marshall MSJ, Visani C, Disa AS, Xu H, Walker FJ, Ahn CH, Ismail-Beigi S.

Nano Lett. 2018 Jan 10;18(1):573-578. doi: 10.1021/acs.nanolett.7b04715. Epub 2017 Dec 26.

PMID:
29251937
4.

Single Atomic Layer Ferroelectric on Silicon.

Dogan M, Fernandez-Peña S, Kornblum L, Jia Y, Kumah DP, Reiner JW, Krivokapic Z, Kolpak AM, Ismail-Beigi S, Ahn CH, Walker FJ.

Nano Lett. 2018 Jan 10;18(1):241-246. doi: 10.1021/acs.nanolett.7b03988. Epub 2017 Dec 26.

PMID:
29244954
5.

Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes.

Han MG, Garlow JA, Marshall MSJ, Tiano AL, Wong SS, Cheong SW, Walker FJ, Ahn CH, Zhu Y.

Ultramicroscopy. 2017 May;176:80-85. doi: 10.1016/j.ultramic.2017.03.028. Epub 2017 Mar 23.

PMID:
28359670
6.

Electron-beam-induced-current and active secondary-electron voltage-contrast with aberration-corrected electron probes.

Han MG, Garlow JA, Marshall MS, Tiano AL, Wong SS, Cheong SW, Walker FJ, Ahn CH, Zhu Y.

Ultramicroscopy. 2017 Jun;177:14-19. doi: 10.1016/j.ultramic.2017.01.016. Epub 2017 Feb 6.

PMID:
28193560
7.

Orbital Engineering in Nickelate Heterostructures Driven by Anisotropic Oxygen Hybridization rather than Orbital Energy Levels.

Fabbris G, Meyers D, Okamoto J, Pelliciari J, Disa AS, Huang Y, Chen ZY, Wu WB, Chen CT, Ismail-Beigi S, Ahn CH, Walker FJ, Huang DJ, Schmitt T, Dean MP.

Phys Rev Lett. 2016 Sep 30;117(14):147401. Epub 2016 Sep 30.

PMID:
27740843
8.

Correction: A narrow amide I vibrational band observed by sum frequency generation spectroscopy reveals highly ordered structures of a biofilm protein at the air/water interface.

Wang Z, Morales-Acosta MD, Li S, Liu W, Kanai T, Liu Y, Chen YN, Walker FJ, Ahn CH, Leblanc RM, Yan EC.

Chem Commun (Camb). 2016 Sep 4;52(68):10440-10441. Epub 2016 Aug 4.

PMID:
27490283
9.

Engineered Unique Elastic Modes at a BaTiO_{3}/(2×1)-Ge(001) Interface.

Kumah DP, Dogan M, Ngai JH, Qiu D, Zhang Z, Su D, Specht ED, Ismail-Beigi S, Ahn CH, Walker FJ.

Phys Rev Lett. 2016 Mar 11;116(10):106101. doi: 10.1103/PhysRevLett.116.106101. Epub 2016 Mar 7.

PMID:
27015492
10.

A narrow amide I vibrational band observed by sum frequency generation spectroscopy reveals highly ordered structures of a biofilm protein at the air/water interface.

Wang Z, Morales-Acosta MD, Li S, Liu W, Kanai T, Liu Y, Chen YN, Walker FJ, Ahn CH, Leblanc RM, Yan EC.

Chem Commun (Camb). 2016 Feb 18;52(14):2956-9. doi: 10.1039/c5cc05743d.

11.

The modification of ferroelectric LiNbO3(0001) surfaces using chromium oxide thin films.

Herdiech MW, Zhu X, Morales-Acosta MD, Walker FJ, Altman EI.

Phys Chem Chem Phys. 2015 Apr 14;17(14):9488-98. doi: 10.1039/c4cp05875e. Epub 2015 Mar 13.

PMID:
25767833
12.

Intrinsic interfacial phenomena in manganite heterostructures.

Vaz CA, Walker FJ, Ahn CH, Ismail-Beigi S.

J Phys Condens Matter. 2015 Apr 1;27(12):123001. doi: 10.1088/0953-8984/27/12/123001. Epub 2015 Feb 27.

PMID:
25721578
13.

Orbital engineering in symmetry-breaking polar heterostructures.

Disa AS, Kumah DP, Malashevich A, Chen H, Arena DA, Specht ED, Ismail-Beigi S, Walker FJ, Ahn CH.

Phys Rev Lett. 2015 Jan 16;114(2):026801. Epub 2015 Jan 12.

PMID:
25635555
14.

HIV, Chlamydia, Gonorrhea, and Primary and Secondary Syphilis among American Indians and Alaska Natives Within Indian Health Service Areas in the United States, 2007-2010.

Walker FJ, Llata E, Doshani M, Taylor MM, Bertolli J, Weinstock HS, Hall HI.

J Community Health. 2015 Jun;40(3):484-92. doi: 10.1007/s10900-014-9961-4.

15.

Reversible modulation of orbital occupations via an interface-induced polar state in metallic manganites.

Chen H, Qiao Q, Marshall MS, Georgescu AB, Gulec A, Phillips PJ, Klie RF, Walker FJ, Ahn CH, Ismail-Beigi S.

Nano Lett. 2014 Sep 10;14(9):4965-70. doi: 10.1021/nl501209p. Epub 2014 Aug 28.

PMID:
25140410
16.

Interface-induced nonswitchable domains in ferroelectric thin films.

Han MG, Marshall MS, Wu L, Schofield MA, Aoki T, Twesten R, Hoffman J, Walker FJ, Ahn CH, Zhu Y.

Nat Commun. 2014 Aug 18;5:4693. doi: 10.1038/ncomms5693.

17.

Synthesis of SnTe nanoplates with {100} and {111} surfaces.

Shen J, Jung Y, Disa AS, Walker FJ, Ahn CH, Cha JJ.

Nano Lett. 2014 Jul 9;14(7):4183-8. doi: 10.1021/nl501953s. Epub 2014 Jun 11.

PMID:
24910959
18.

Combinatorial development of bulk metallic glasses.

Ding S, Liu Y, Li Y, Liu Z, Sohn S, Walker FJ, Schroers J.

Nat Mater. 2014 May;13(5):494-500. doi: 10.1038/nmat3939. Epub 2014 Apr 13.

PMID:
24728462
19.

Tuning the structure of nickelates to achieve two-dimensional electron conduction.

Kumah DP, Disa AS, Ngai JH, Chen H, Malashevich A, Reiner JW, Ismail-Beigi S, Walker FJ, Ahn CH.

Adv Mater. 2014 Mar 26;26(12):1935-40. doi: 10.1002/adma.201304256. Epub 2014 Feb 3.

PMID:
24497382
20.

Active silicon integrated nanophotonics: ferroelectric BaTiO₃ devices.

Xiong C, Pernice WH, Ngai JH, Reiner JW, Kumah D, Walker FJ, Ahn CH, Tang HX.

Nano Lett. 2014 Mar 12;14(3):1419-25. doi: 10.1021/nl404513p. Epub 2014 Feb 4.

PMID:
24447145
21.

Modifying the electronic orbitals of nickelate heterostructures via structural distortions.

Chen H, Kumah DP, Disa AS, Walker FJ, Ahn CH, Ismail-Beigi S.

Phys Rev Lett. 2013 May 3;110(18):186402. Epub 2013 May 1.

PMID:
23683225
22.

Dynamic evanescent phonon coupling across the La(1-x)Sr(x)MnO3/SrTiO3 interface.

Segal Y, Garrity KF, Vaz CA, Hoffman JD, Walker FJ, Ismail-Beigi S, Ahn CH.

Phys Rev Lett. 2011 Sep 2;107(10):105501. Epub 2011 Aug 30.

PMID:
21981508
23.

Interface-induced polarization and inhibition of ferroelectricity in epitaxial SrTiO₃/Si.

Kolpak AM, Walker FJ, Reiner JW, Segal Y, Su D, Sawicki MS, Broadbridge CC, Zhang Z, Zhu Y, Ahn CH, Ismail-Beigi S.

Phys Rev Lett. 2010 Nov 19;105(21):217601. Epub 2010 Nov 17.

PMID:
21231354
24.

Crystalline oxides on silicon.

Reiner JW, Kolpak AM, Segal Y, Garrity KF, Ismail-Beigi S, Ahn CH, Walker FJ.

Adv Mater. 2010 Jul 20;22(26-27):2919-38. doi: 10.1002/adma.200904306. Review.

PMID:
20432223
25.

Achieving A-site termination on La(0.18)Sr(0.82)Al(0.59)Ta(0.41)O(3) substrates.

Ngai JH, Schwendemann TC, Walker AE, Segal Y, Walker FJ, Altman EI, Ahn CH.

Adv Mater. 2010 Jul 20;22(26-27):2945-8. doi: 10.1002/adma.200904328. No abstract available.

PMID:
20414888
26.

Ferroelectric field effect transistors for memory applications.

Hoffman J, Pan X, Reiner JW, Walker FJ, Han JP, Ahn CH, Ma TP.

Adv Mater. 2010 Jul 20;22(26-27):2957-61. doi: 10.1002/adma.200904327.

PMID:
20379995
27.

Origin of the magnetoelectric coupling effect in Pb(Zr0.2Ti0.8)O{3}/La{0.8}Sr{0.2}MnO{3} Multiferroic heterostructures.

Vaz CA, Hoffman J, Segal Y, Reiner JW, Grober RD, Zhang Z, Ahn CH, Walker FJ.

Phys Rev Lett. 2010 Mar 26;104(12):127202. Epub 2010 Mar 25.

PMID:
20366560
28.

X-ray microdiffraction analysis of radiation-induced defects in single grains of polycrystalline Fe.

Specht ED, Walker FJ, Liu W.

J Synchrotron Radiat. 2010 Mar;17(2):250-6. doi: 10.1107/S0909049509052078. Epub 2010 Jan 16.

29.

Atomic structure of the epitaxial BaO/Si(001) interface.

Segal Y, Reiner JW, Kolpak AM, Zhang Z, Ismail-Beigi S, Ahn CH, Walker FJ.

Phys Rev Lett. 2009 Mar 20;102(11):116101. Epub 2009 Mar 17.

PMID:
19392218
30.

Materials science. Atomically engineered oxide interfaces.

Reiner JW, Walker FJ, Ahn CH.

Science. 2009 Feb 20;323(5917):1018-9. doi: 10.1126/science.1169058. No abstract available.

PMID:
19229025
31.

Role of strontium in oxide epitaxy on silicon (001).

Reiner JW, Garrity KF, Walker FJ, Ismail-Beigi S, Ahn CH.

Phys Rev Lett. 2008 Sep 5;101(10):105503. Epub 2008 Sep 4.

PMID:
18851225
32.

Pediatricians' adherence to pneumococcal conjugate vaccine shortage recommendations in 2 national shortages.

Fairbrother G, Broder K, Staat MA, Schwartz B, Heubi C, Hiratzka S, Walker FJ, Morrow AL.

Pediatrics. 2007 Aug;120(2):e401-9. Epub 2007 Jul 23.

PMID:
17646354
34.

The impact of conjugate pneumococcal vaccination on routine childhood vaccination and primary care use in 2 counties.

Szilagyi PG, Griffin MR, Shone LP, Barth R, Zhu Y, Schaffer S, Ambrose S, Roy J, Poehling KA, Edwards KM, Walker FJ, Schwartz B; New Vaccine Surveillance Network.

Pediatrics. 2006 Oct;118(4):1394-402.

PMID:
17015528
35.

Influenza vaccination of healthcare workers in the United States, 1989-2002.

Walker FJ, Singleton JA, Lu P, Wooten KG, Strikas RA.

Infect Control Hosp Epidemiol. 2006 Mar;27(3):257-65. Epub 2006 Mar 1.

PMID:
16532413
36.

Reactions after 3 or more doses of pneumococcal polysaccharide vaccine in adults in Alaska.

Walker FJ, Singleton RJ, Bulkow LR, Strikas RA, Butler JC.

Clin Infect Dis. 2005 Jun 15;40(12):1730-5. Epub 2005 May 6.

PMID:
15909258
37.

Epidemiology of respiratory infections in young children: insights from the new vaccine surveillance network.

Griffin MR, Walker FJ, Iwane MK, Weinberg GA, Staat MA, Erdman DD; New Vaccine Surveillance Network Study Group.

Pediatr Infect Dis J. 2004 Nov;23(11 Suppl):S188-92.

PMID:
15577572
38.

Human metapneumovirus infection among children hospitalized with acute respiratory illness.

Mullins JA, Erdman DD, Weinberg GA, Edwards K, Hall CB, Walker FJ, Iwane M, Anderson LJ.

Emerg Infect Dis. 2004 Apr;10(4):700-5.

39.

Population-based surveillance for hospitalizations associated with respiratory syncytial virus, influenza virus, and parainfluenza viruses among young children.

Iwane MK, Edwards KM, Szilagyi PG, Walker FJ, Griffin MR, Weinberg GA, Coulen C, Poehling KA, Shone LP, Balter S, Hall CB, Erdman DD, Wooten K, Schwartz B; New Vaccine Surveillance Network.

Pediatrics. 2004 Jun;113(6):1758-64.

PMID:
15173503
40.

Superiority of reverse-transcription polymerase chain reaction to conventional viral culture in the diagnosis of acute respiratory tract infections in children.

Weinberg GA, Erdman DD, Edwards KM, Hall CB, Walker FJ, Griffin MR, Schwartz B; New Vaccine Surveillance Network Study Group.

J Infect Dis. 2004 Feb 15;189(4):706-10. Epub 2004 Feb 4.

PMID:
14767825
41.

GeneScan reverse transcription-PCR assay for detection of six common respiratory viruses in young children hospitalized with acute respiratory illness.

Erdman DD, Weinberg GA, Edwards KM, Walker FJ, Anderson BC, Winter J, González M, Anderson LJ.

J Clin Microbiol. 2003 Sep;41(9):4298-303.

42.

The interface phase and the Schottky barrier for a crystalline dielectric on silicon.

McKee RA, Walker FJ, Nardelli MB, Shelton WA, Stocks GM.

Science. 2003 Jun 13;300(5626):1726-30.

43.

Physical structure and inversion charge at a semiconductor interface with a crystalline oxide.

McKee RA, Walker FJ, Chisholm MF.

Science. 2001 Jul 20;293(5529):468-71.

44.

Influenza, pneumococcal, and tetanus toxioid vaccination of adults--United States, 1993-7.

Singleton JA, Greby SM, Wooten KG, Walker FJ, Strikas R.

MMWR CDC Surveill Summ. 2000 Sep 22;49(9):39-62.

45.

Observations from the CDC: promoting women's health through age-appropriate vaccination.

Greby SM, Singleton JA, Walker FJ, Strikas RA.

J Womens Health Gend Based Med. 1999 Dec;8(10):1225-31. No abstract available.

PMID:
10643828
46.

Activated protein C-catalyzed proteolysis of factor VIIIa alters its interactions within factor Xase.

Regan LM, O'Brien LM, Beattie TL, Sudhakar K, Walker FJ, Fay PJ.

J Biol Chem. 1996 Feb 23;271(8):3982-7.

47.

Interface stability and the growth of optical quality perovskites on MgO.

McKee RA, Walker FJ, Specht ED, Jellison GE Jr, Boatner LA, Harding JH.

Phys Rev Lett. 1994 Apr 25;72(17):2741-2744. No abstract available.

PMID:
10055965
48.
49.

Oxidation state of a buried interface: Near-edge x-ray fine structure of a crystal truncation rod.

Specht ED, Walker FJ.

Phys Rev B Condens Matter. 1993 May 15;47(20):13743-13751. No abstract available.

PMID:
10005692
50.

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